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1

Impacts of Water Quality on Residential Water Heating Equipment  

SciTech Connect

Water heating is a ubiquitous energy use in all residential housing, accounting for 17.7% of residential energy use (EIA 2012). Today, there are many efficient water heating options available for every fuel type, from electric and gas to more unconventional fuel types like propane, solar, and fuel oil. Which water heating option is the best choice for a given household will depend on a number of factors, including average daily hot water use (total gallons per day), hot water draw patterns (close together or spread out), the hot water distribution system (compact or distributed), installation constraints (such as space, electrical service, or venting accommodations) and fuel-type availability and cost. While in general more efficient water heaters are more expensive than conventional water heating technologies, the savings in energy use and, thus, utility bills can recoup the additional upfront investment and make an efficient water heater a good investment over time in most situations, although the specific payback period for a given installation will vary widely. However, the expected lifetime of a water heater in a given installation can dramatically influence the cost effectiveness and savings potential of a water heater and should be considered, along with water use characteristics, fuel availability and cost, and specific home characteristics when selecting the optimum water heating equipment for a particular installation. This report provides recommendations for selecting and maintaining water heating equipment based on local water quality characteristics.

Widder, Sarah H.; Baechler, Michael C.

2013-11-01T23:59:59.000Z

2

Water Quality  

NLE Websites -- All DOE Office Websites (Extended Search)

Water Quality Water Quality We protect water quality through stormwater control measures and an extensive network of monitoring wells and stations encompassing groundwater, surface...

3

Impact of alfalfa on soil and water quality  

DOE Green Energy (OSTI)

Dominance of row crop agriculture in rolling landscapes of western and Southwestern Minnesota is identified as a primary, non-point source of sediments and associated pollutants reaching the Minnesota River. Currently as a biomass energy project, alfalfa is being promoted in western Minnesota to harvest the leaves for animal feed and stems to generate electricity. As a perennial, leguminous crop grown with minimum inputs, introduction of alfalfa in row cropped lands has potential to improve both in-situ soil productivity and downstream water quality. A field study was initiated in 1996 to compare the volume of runoff and pollutants coming from alfalfa an com-soybean fields in western Minnesota. Two pair of alfalfa and corn-soybean watersheds were instrumented at Morris in the Fall of 1996 to measure rainfall, runoff, and sample water for sediment load, phosphorus, nitrogen, biochemical oxygen demand, and chemical oxygen demand. Simulated rainfall-runoff experiments were conducted on an existing crop rotation - input management study plots at Lamberton to evaluate soil quality effects of the inclusion of alfalfa in a corn-soybean rotation under manure and fertilization management schemes. Alfalfa soil water use as a function of frequency of harvest was also monitored at Morris to evaluate the effect of cutting schedule on soil water use. During the growing season of 1997, alfalfa under a two-cut management scheme used about 25-mm (an inch) more soil water than under a three-cut schedule. The mean differences between the treatments were not significant. The conclusions drawn in this report come from analysis of data collected during one winter-summer hydrologic and crop management cycle. Continued observations through a period of at least 3-5 years is recommended to improve the instrumentation robustness and discern the variability due to climate, soil, and crop management factors.

Sharma, P.; Moncrief, J.; Gupta, S.

1997-10-30T23:59:59.000Z

4

Impacts of Shale Gas Wastewater Disposal on Water Quality in Western Pennsylvania  

E-Print Network (OSTI)

Impacts of Shale Gas Wastewater Disposal on Water Quality in Western Pennsylvania Nathaniel R compositions of the effluents reflect the composition of Marcellus Shale produced waters. The discharge to concentrations in Marcellus Shale produced waters. Nonetheless, 226 Ra levels in stream sediments (544-8759 Bq

Jackson, Robert B.

5

The Role of Isotopes in Monitoring Water Quality Impacts Associated with Shale Gas Drilling  

E-Print Network (OSTI)

The Role of Isotopes in Monitoring Water Quality Impacts Associated with Shale Gas Drilling Methane, including shale gas drilling. Monitoring techniques exist for detecting methane and, in some cases detail within the context of shale gas drilling activities in New York, as well as their uses

Wang, Z. Jane

6

Impact of Key Electric Power Industry Regulatory Issues on Opportunities in Water Quality Trading  

Science Conference Proceedings (OSTI)

Based on EPRI water quality trading (WQT) research on nutrients (i.e., nitrogen and phosphorus), this technical update explores potential application of WQT for other electric power generation waste streams and pollutants in addition to considering the potential impact of existing regulatory issues on the trading for nutrient credits.  For each of the opportunities identified, a discussion of potential issues associated with that application is discussed.  This document also identifies ...

2012-12-31T23:59:59.000Z

7

Analysis of the impact of energy crops on water quality. Final report  

Science Conference Proceedings (OSTI)

This report consists of two separate papers. The first, ``The potential use of agricultural simulation models in predicting the fate of nitrogen and pesticides applied to switchgrass and poplars,`` describes three models (CREAMS, GLEAMS, and EPIC) for the evaluation of the relationships which determine water quality in the agroecosystem. Case studies are presented which demonstrate the utility of these models in evaluating the potential impact of alternative crop management practices. The second paper, ``Energy crops as part of a sustainable landscape,`` discusses concepts of landscape management and the linkage among agricultural practices and environmental quality.

Hatfield, J.L.; Gale, W.J.

1993-04-16T23:59:59.000Z

8

The Impact of Water Quality on Southern California Beach Recreation: A Finite Mixture Model Approach  

E-Print Network (OSTI)

estimate the e?ect of coastal water quality on beach choiceDemand Studies, 1968-1988; Water Resources Research, March,Measuring the bene?ts of water quality improvements in a

Hilger, James; Hanemann, W. Michael

2008-01-01T23:59:59.000Z

9

Influence of chemical characterization of oil shale solids on understanding water quality impacts  

SciTech Connect

Synfuels technologies will yield products and effluents that are a function of the raw material being processed and the process variables. Chemical and mineralogic characterization of solids generated in synfuels production provide valuable insight into health and environmental impacts associated with synfuels processing (coal liquefaction or gasification and shale oil extraction). This report deals with considerations relating to leachate generation from solid wastes, but the suggested research approach is applicable to understanding the nature and extent of all effluents from synfuels operations. Solid characterization studies of one raw shale core and two spent shale cores from Occidental Oil Shale, Inc.'s Logan Wash site are described. These data are used to determine the effect of processing on the shale solids and also to evaluate a variety of water quality issues associated with in situ processing. The importance of solid characterization studies in developing an understanding of effluent composition and behavior and subsequently defining environmental impacts is described.

Peterson, E.J.; Wagner, P.

1981-01-01T23:59:59.000Z

10

Water quality impacts from mining in the Black Hills, South Dakota, USA  

Science Conference Proceedings (OSTI)

The focus of this research was to determine if abandoned mines constitute a major environmental hazard in the Black Hills. Many abandoned gold mines in the Black Hills contribute acid and heavy metals to streams. In some areas of sulfide mineralization local impacts are severe, but in most areas the impacts are small because most ore deposits consist of small quartz veins with few sulfides. Pegmatite mines appear to have negligible effects on water due to the insoluble nature of pegmatite minerals. Uranium mines in the southern Black Hills contribute some radioactivity to surface water, but he impact is limited because of the dry climate and lack of runoff in that area. 26 refs.

Rahn, P.H.; Davis, A.D.; Webb, C.J. [South Dakota School of Mines and Technology, Rapid City, SD (United States)] [South Dakota School of Mines and Technology, Rapid City, SD (United States); Nichols, A.D. [Versar, Inc., Eden Prairie, MN (United States)] [Versar, Inc., Eden Prairie, MN (United States)

1996-02-01T23:59:59.000Z

11

Southern Region Water Quality Coordination Project  

E-Print Network (OSTI)

Integrated Water Quality Program Impact Report was produced and distributed at the National Integrated Water Management, Irrigation Management, and Water Quality Education for Agricultural Producers. Programs under Management on Livestock and Poultry Farms. · The Water Quality Education for Agricultural Producers Program

12

The Impact of Motor Vehicle Operation on Water Quality: A Premilinary Assessment  

E-Print Network (OSTI)

that used oil is the main hydrocarbon source to runoff.quality. " Used oil can also be a point source pollutant.to nonpoint source pollution, such as used oil or waste

Nixon, Hillary; Saphores, Jean-Daniel

2003-01-01T23:59:59.000Z

13

The Impacts of Motor Vehicle Operation on Water Quality: A Preliminary Assessment  

E-Print Network (OSTI)

Concrete Diesel Oil Engine Wear Source: Local Ordinances: Athat used oil is the main hydrocarbon source to runoff.quality. Used oil can also be a point source pollutant.

Nixon, Hilary; Saphores, Jean-Daniel M

2003-01-01T23:59:59.000Z

14

The Impacts of Motor Vehicle Operation on Water Quality: A Preliminary Assessment  

E-Print Network (OSTI)

MTBE Phase-Out (02-32). Sacramento, CA. Caltrans, 2002. “Quality Handbook. ” Sacramento, CA. http://www.dot.ca.gov/Storage Tank Statistics. Sacramento, CA. October 7. http://

Nixon, Hilary; Saphores, Jean-Daniel M

2003-01-01T23:59:59.000Z

15

Impacts of motor vehicle operation on water quality - Clean-up Costs and Policies  

E-Print Network (OSTI)

preventing water pollution from motor vehicles would be muchgroundwater pollution; motor-vehicle transportation;the environmental costs of motor vehicle transportation in

Nixon, Hilary; Saphores, Jean-Daniel M

2007-01-01T23:59:59.000Z

16

Review: The impact of agricultural activities on water quality: A case for collaborative catchment-scale management using integrated wireless sensor networks  

Science Conference Proceedings (OSTI)

The challenge of improving water quality is a growing global concern, typified by the European Commission Water Framework Directive and the United States Clean Water Act. The main drivers of poor water quality are economics, poor water management, agricultural ... Keywords: Agricultural activities, Catchment, Collaborative, Water quality monitoring and management, Wireless sensor networks

Huma Zia, Nick R. Harris, Geoff V. Merrett, Mark Rivers, Neil Coles

2013-08-01T23:59:59.000Z

17

Regulations Establishing Water Quality Standards for Surface...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Establishing Water Quality Standards for Surface Water of the State of Arkansas (Arkansas) Regulations Establishing Water Quality Standards for Surface Water of the State of...

18

Brookhaven's Drinking-Water Quality  

NLE Websites -- All DOE Office Websites (Extended Search)

Water Quality Water Quality The Lab's finished drinking water is produced with pride by the staff of BNL's Water Treatment Facility Home Groundwater Consumer Confidence Reports Water Treatment Process Resources Tap Water Recommendations Water Cooler Cleaning Additional Resources Brookhaven Lab Drinking Water Brookhaven produces its own drinking water for all employees, facility-users, guests, residents, and visitors on site at its Water Treatment Facility (WTF). BNL's drinking water is pumped from groundwater by five active wells and processed at the WTF which can handle up to 6 million gallons per day. The "finished" water is sent to the Lab's two storage towers and then distributed around the site via 45 miles of pipeline. To ensure that Brookhaven's water meets all applicable local, state, and

19

Influence of Water Quality  

Science Conference Proceedings (OSTI)

...BP. Boffardi, Corrosion Inhibitors in the Water Treatment Industry, Corrosion: Fundamentals, Testing, and Protection, Vol 13A, ASM Handbook, ASM International, 2003, p 891â??906...

20

Water Quality (Louisiana) | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Quality (Louisiana) Water Quality (Louisiana) Eligibility Agricultural Commercial Construction Fed. Government Fuel Distributor General PublicConsumer Industrial Installer...

Note: This page contains sample records for the topic "water quality impacts" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


21

Water Quality Act (Montana) | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Water Quality Act (Montana) Water Quality Act (Montana) Eligibility Utility Fed. Government Commercial Agricultural Investor-Owned Utility StateProvincial Govt Industrial...

22

Modeling the Impacts of Pulsed Riverine Inflows on Hydrodynamics and Water Quality in the Barataria Bay Estuary.  

E-Print Network (OSTI)

??Eutrophication and coastal wetland loss are the major environmental problems affecting estuaries around the world. In Louisiana, controlled diversions of the Mississippi River water back… (more)

Das, Anindita

2010-01-01T23:59:59.000Z

23

Air Quality Impact of Distributed Generation of Electricity  

E-Print Network (OSTI)

quality impact of distributed generation. California Energyquality impacts of distributed generation, Proceedings ofquality impacts of distributed generation, Proceedings of

Jing, Qiguo

2011-01-01T23:59:59.000Z

24

Observations on a Montana water quality proposal.  

Science Conference Proceedings (OSTI)

In May 2005, a group of petitioners led by the Northern Plains Resource Council (NPRC) submitted a petition to revise water quality requirements to the Montana Board of Environmental Review (BER). Under Montana law, the BER had to consider the petition and either reject it or propose it as a new regulation. In September 2005, the BER announced proposed changes to the Montana water quality regulations. The proposal, which included almost the exact language found in the petition, was directed toward discharges of water from coal bed natural gas (CBNG) production. The key elements of the proposal included: (1) No discharges of CBNG water are allowed to Montana surface waters unless operators can demonstrate that injection to aquifers with the potential for later recovery of the water is not feasible. (2) When operators can demonstrate the injection is not feasible, the CBNG water to be discharged must meet very strict technology-based limits for multiple parameters. (3) The Montana water quality standards for the sodium adsorption ratio (SAR) and electrical conductivity (EC) would be evaluated using the 7Q10 flow (lowest 7-consecutive-day flow in a 10-year period) rather than a monthly flow that is currently used. (4) SAR and EC would be reclassified as ''harmful parameters'', thereby greatly restricting the ability for CBNG discharges to be allowed under Montana's nondegradation regulations. The proposed regulations, if adopted in their current form, are likely to substantially reduce the amount of CBNG production in Montana. The impact also extends to Wyoming CBNG production through much greater restrictions on water quality that must be met at the interstate border.

Veil, J. A.; Puder, M. G.

2006-01-12T23:59:59.000Z

25

A Total Energy & Water Quality Management System  

Science Conference Proceedings (OSTI)

This report develops a generic model for an energy and water quality management system for the water community, and defines standard specifications for software applications required to minimize energy costs within the constraints of water quality and operation goals.

1999-09-30T23:59:59.000Z

26

Peak Electricity Impacts of Residential Water Use  

NLE Websites -- All DOE Office Websites (Extended Search)

Peak Electricity Impacts of Residential Water Use Title Peak Electricity Impacts of Residential Water Use Publication Type Report LBNL Report Number LBNL-5736E Year of Publication...

27

Water Quality (Oklahoma) | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

(Oklahoma) Water Quality (Oklahoma) Eligibility Agricultural Commercial Construction Fuel Distributor General PublicConsumer Industrial InstallerContractor Institutional...

28

Water Quality Standards Implementation (Oklahoma) | Department...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Implementation (Oklahoma) Water Quality Standards Implementation (Oklahoma) Eligibility Agricultural Construction Fuel Distributor Industrial InstallerContractor Investor-Owned...

29

Remote Sensing for Water Quality Applications  

E-Print Network (OSTI)

Remote Sensing for Water Quality Applications #12;Objective Give a brief update on GEO Inland and Nearshore Coastal Water Quality Remote Sensing Workshop (GEO Work Task WA-06-01)) Held in Geneva and Nearshore Coastal Water Quality Remote Sensing Workshop (GEO Work Task WA-06-01)) Organizing committee

30

Water quality in vicinity of Fenton Hill Site, 1974  

DOE Green Energy (OSTI)

The water quality at nine surface water stations, eight ground water stations, and the drilling operations at the Fenton Hill Site have been studied as a measure of the environmental impact of the Los Alamos Scientific Laboratory geothermal experimental studies in the Jemez Mountains. Surface water quality in the Jemez River drainage area is affected by the quality of the inflow from thermal and mineral springs. Ground water discharges from the Cenozoic Volcanics are similar in chemical quality. Water in the main zone of saturation penetrated by test hole GT-2 is highly mineralized, whereas water in the lower section of the hole, which is in granite, contains a higher concentration of uranium. (auth)

Purtymun, W.D.; Adams, W.H.; Owens, J.W.

1975-09-01T23:59:59.000Z

31

Water quality in vicinity of Fenton Hill Site, 1975  

DOE Green Energy (OSTI)

Water quality at 9 surface water stations, 14 ground water stations, and drilling and testing operations at the Fenton Hill Site has been studied as a measure of the environmental impact on the Los Alamos Scientific Laboratory's geothermal site in the Jemez Mountains. Slight variations in the chemical quality of the water at individual stations were observed during the year. Predominant ions and total dissolved solids in the surface and ground water declined slightly in comparison to previous data. These variations in quality are not considered significant considering seasonal and annual stream flow variations. Surface water discharge records from three U.S. Geological Survey gaging stations on the Rio Guadalupe and Jemez River were analyzed to provide background data for the impact study. Direct correlations were determined between mean annual discharge at each of two stations in the upper reach of the drainage and at the station in the lower reach.

Purtymun, W.D.; Adams, W.H.; Stoker, A.K.; West, F.G.

1976-09-01T23:59:59.000Z

32

Development and application of an integrated ecological modelling framework to analyze the impact of wastewater discharges on the ecological water quality of rivers  

Science Conference Proceedings (OSTI)

Modelling is an effective tool to investigate the ecological state of water resources. In developing countries, the impact of sanitation infrastructures (e.g. wastewater treatment plants) is typically assessed considering the achievement of legal physicochemical ... Keywords: Habitat suitability models, Information-theoretic approach, Integrated ecological modelling, MIKE 11, Multi-model inference

Javier E. Holguin-Gonzalez, Gert Everaert, Pieter Boets, Alberto Galvis, Peter L. M. Goethals

2013-10-01T23:59:59.000Z

33

General Water Quality (Oklahoma) | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

General Water Quality (Oklahoma) General Water Quality (Oklahoma) General Water Quality (Oklahoma) < Back Eligibility Agricultural Commercial Construction Fed. Government Fuel Distributor General Public/Consumer Industrial Installer/Contractor Institutional Investor-Owned Utility Local Government Low-Income Residential Multi-Family Residential Municipal/Public Utility Nonprofit Residential Retail Supplier Rural Electric Cooperative Schools State/Provincial Govt Systems Integrator Transportation Tribal Government Utility Savings Category Alternative Fuel Vehicles Hydrogen & Fuel Cells Buying & Making Electricity Water Home Weatherization Solar Wind Program Info State Oklahoma Program Type Environmental Regulations Provider Environmental Quality The purpose of this water quality rule is to protect, maintain and improve

34

Biofuel impacts on water.  

DOE Green Energy (OSTI)

Sandia National Laboratories and General Motors Global Energy Systems team conducted a joint biofuels systems analysis project from March to November 2008. The purpose of this study was to assess the feasibility, implications, limitations, and enablers of large-scale production of biofuels. 90 billion gallons of ethanol (the energy equivalent of approximately 60 billion gallons of gasoline) per year by 2030 was chosen as the book-end target to understand an aggressive deployment. Since previous studies have addressed the potential of biomass but not the supply chain rollout needed to achieve large production targets, the focus of this study was on a comprehensive systems understanding the evolution of the full supply chain and key interdependencies over time. The supply chain components examined in this study included agricultural land use changes, production of biomass feedstocks, storage and transportation of these feedstocks, construction of conversion plants, conversion of feedstocks to ethanol at these plants, transportation of ethanol and blending with gasoline, and distribution to retail outlets. To support this analysis, we developed a 'Seed to Station' system dynamics model (Biofuels Deployment Model - BDM) to explore the feasibility of meeting specified ethanol production targets. The focus of this report is water and its linkage to broad scale biofuel deployment.

Tidwell, Vincent Carroll; Malczynski, Leonard A.; Sun, Amy Cha-Tien

2011-01-01T23:59:59.000Z

35

Regulations Establishing Water Quality Standards for Surface Water of the  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Establishing Water Quality Standards for Surface Water Establishing Water Quality Standards for Surface Water of the State of Arkansas (Arkansas) Regulations Establishing Water Quality Standards for Surface Water of the State of Arkansas (Arkansas) < Back Eligibility Agricultural Commercial Construction Fed. Government Fuel Distributor General Public/Consumer Industrial Installer/Contractor Institutional Investor-Owned Utility Local Government Low-Income Residential Multi-Family Residential Municipal/Public Utility Nonprofit Residential Retail Supplier Rural Electric Cooperative Schools State/Provincial Govt Systems Integrator Transportation Tribal Government Utility Savings Category Water Buying & Making Electricity Home Weatherization Program Info State Arkansas Program Type Environmental Regulations Siting and Permitting

36

Water Quality Criteria Development for Iron  

Science Conference Proceedings (OSTI)

The current national water quality criterion for iron — a criterion continuous concentration of 1 mg Fe/L — was derived 25 years ago. Such ambient water quality criteria are typically derived from toxicity tests in which the reagent grade chemical is dissolved in clean laboratory water. However, due to the complexity of iron speciation in freshwater, adverse effects of iron precipitates on habitat quality, and access of organisms to food, standard toxicity assays may not adequately assess the...

2004-12-27T23:59:59.000Z

37

Water Quality Standards (Iowa) | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Iowa) Water Quality Standards (Iowa) Eligibility Agricultural Commercial Construction Fuel Distributor Industrial InstallerContractor Institutional Investor-Owned Utility Local...

38

Water Quality Control (Texas) | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Control (Texas) Water Quality Control (Texas) Eligibility Utility Fed. Government Commercial Agricultural Investor-Owned Utility StateProvincial Govt Industrial Construction...

39

State Water Quality (Virginia) | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Quality (Virginia) Quality (Virginia) State Water Quality (Virginia) < Back Eligibility Commercial Construction Industrial Investor-Owned Utility Local Government Municipal/Public Utility Rural Electric Cooperative Systems Integrator Tribal Government Utility Savings Category Water Buying & Making Electricity Home Weatherization Program Info State Virginia Program Type Environmental Regulations Siting and Permitting Provider Virginia Department of Environmental Quality It is the policy of the Commonwealth of Virginia to: (1) protect existing high quality state waters and restore the quality of all other state waters to permit all reasonable public uses and support the propagation and growth of all aquatic life which might reasonably be expected to inhabit them; (2) safeguard the clean waters of the Commonwealth from pollution; (3) prevent

40

Water Quality Standards (Ohio) | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Standards (Ohio) Standards (Ohio) Water Quality Standards (Ohio) < Back Eligibility Utility Fed. Government Commercial Agricultural Investor-Owned Utility State/Provincial Govt Industrial Construction Municipal/Public Utility Local Government Installer/Contractor Rural Electric Cooperative Tribal Government Retail Supplier Institutional Fuel Distributor Nonprofit Transportation Savings Category Water Buying & Making Electricity Home Weatherization Program Info State Ohio Program Type Environmental Regulations Provider Ohio Environmental Protection Agency This chapter of the law that establishes the Ohio Environmental Protection Agency outlines the minimum water quality requirements for all surface waters of the state. Water quality standards contain two distinct elements: designated uses; and

Note: This page contains sample records for the topic "water quality impacts" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


41

THE NEGATIVE IMPACT OF COLD WATER...  

NLE Websites -- All DOE Office Websites (Extended Search)

NEGATIVE IMPACT OF COLD WATER BYPASS ON SOLAR DOMESTIC HOT WATER SYSTEMS Final Report DRAFT Prepared for THE NEW YORK STATE ENERGY RESEARCH AND DEVELOPMENT AUTHORITY Albany, NY...

42

north central texas water quality Through the Water Quality Education and Planning for  

E-Print Network (OSTI)

north central texas water quality Through the Water Quality Education and Planning for North Central Texas project, the Texas Water Resources Institute and Texas AgriLife Extension Service are collabo- rating with Tarrant Regional Water District (TRWD), Texas A&M Spatial Sciences Laboratory

Wilkins, Neal

43

Geysers-Calistoga KGRA geothermal environmental overview: water quality  

DOE Green Energy (OSTI)

Important water-related issues of concern are identified and the available information regarding potential impacts on the quantity and quality of water in an area is assessed. The results of a study and a two-day workshop that included representatives of developers and of concerned local, state, and federal agencies are presented. An inventory of existing data is included in an appendix. (MHR)

Moore, S.F.; Pimentel, K.D.; Krone, R.B.

1978-02-01T23:59:59.000Z

44

Water Impacts of the Electricity Sector (Presentation)  

Science Conference Proceedings (OSTI)

This presentation discusses the water impacts of the electricity sector. Nationally, the electricity sector is a major end-user of water. Water issues affect power plants throughout the nation.

Macknick, J.

2012-06-01T23:59:59.000Z

45

Water Quality Criteria for Intrastate, Interstate, and Coastal Water  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Quality Criteria for Intrastate, Interstate, and Coastal Quality Criteria for Intrastate, Interstate, and Coastal Water (Mississippi) Water Quality Criteria for Intrastate, Interstate, and Coastal Water (Mississippi) < Back Eligibility Agricultural Commercial Construction Developer Fed. Government Fuel Distributor General Public/Consumer Industrial Installer/Contractor Institutional Investor-Owned Utility Local Government Low-Income Residential Multi-Family Residential Municipal/Public Utility Nonprofit Residential Retail Supplier Rural Electric Cooperative Schools State/Provincial Govt Systems Integrator Transportation Tribal Government Utility Savings Category Alternative Fuel Vehicles Hydrogen & Fuel Cells Buying & Making Electricity Water Home Weatherization Solar Wind Program Info State Mississippi Program Type Environmental Regulations

46

Indoor Air Quality Impacts of Residential HVAC Systems ...  

Science Conference Proceedings (OSTI)

Page 1. NISTIR 5559 Indoor Air Quality Impacts of Residential HVAC Systems Phase 11.AReport: Baseline and Preliminary Simulations ...

1997-09-03T23:59:59.000Z

47

Surface Water Quality Standards (Kansas) | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Quality Standards (Kansas) Surface Water Quality Standards (Kansas) Eligibility Agricultural Commercial Construction Fed. Government Fuel Distributor General PublicConsumer...

48

Colorado Water Quality Control Act | Open Energy Information  

Open Energy Info (EERE)

Water Quality Control Act Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Reference Material: Colorado Water Quality Control Act edit Details Activities (0) Areas...

49

Impacts of alternative fuels on air quality  

DOE Green Energy (OSTI)

The objective of this project was to determine the impact of alternative fuels on air quality, particularly ozone formation. The alternative fuels of interest are methanol, ethanol, liquefied petroleum gas, and natural gas. During the first year of study, researchers obtained qualitative data on the thermal degradation products from the fuel-lean (oxidative), stoichiometric, and fuel-rich (pyrolytic) decomposition of methanol and ethanol. The thermal degradation of ethanol produced a substantially larger number of intermediate organic by-products than the similar thermal degradation of methanol, and the organic intermediate by-products lacked stability. Also, a qualitative comparison of the UDRI flow reactor data with previous engine test showed that, for methanol, formaldehyde and acetone were the organic by-products observed in both types of tests; for ethanol, only very limited data were located.

Taylor, P.H.; Dellinger, B. [Dayton Univ., OH (United States). Research Inst.

1994-06-01T23:59:59.000Z

50

Design and installation of continuous flow and water quality monitoring stations to improve water quality forecasting in the lower San Joaquin River  

E-Print Network (OSTI)

improve water quality forecasting in the lower San Joaquinimprove water quality forecasting in the lower San Joaquinan important real-time forecasting station for water quality

Quinn, Nigel W.T.

2007-01-01T23:59:59.000Z

51

Biofuels and water quality: challenges and opportunities for simulation modeling  

SciTech Connect

Quantification of the various impacts of biofuel feedstock production on hydrology and water quality is complex. Mathematical models can be used to efficiently evaluate various what if scenarios related to biofeedstock production and their impacts on hydrology and water quality at various spatial and temporal scales. Currently available models, although having the potential to serve such purposes, have many limitations. In this paper, we review the strengths and weaknesses of such models in light of short- and long term biofeedstock production scenarios. The representation of processes in the currently available models and how these processes need to be modified to fully evaluate various complex biofeedstock production scenarios are discussed. Similarly, issues related to availability of data that are needed to parameterize and evaluate these models are presented. We have presented a vision for the development of decision support tools and ecosystem services that can be used to make watershed management decisions to minimize any potentially adverse environmental impacts while meeting biofeedstock demands. We also discuss a case study of biofeedstock impact simulation in relation to watershed management policy implications for various state and federal agencies in the USA.

Engel, Bernard A. [Purdue University; Chaubey, Indrajeet [Purdue University; Thomas, Mark [Purdue University; Saraswat, Dharmendra [University of Arkansas; Murphy, Patrick [Purdue University; Bhaduri, Budhendra L [ORNL

2010-01-01T23:59:59.000Z

52

Water Quality Surface and Ground | Open Energy Information  

Open Energy Info (EERE)

Quality Surface and Ground Jump to: navigation, search Retrieved from "http:en.openei.orgwindex.php?titleWaterQualitySurfaceandGround&oldid612197...

53

Georgia Water Quality Control Act (Georgia) | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Georgia Water Quality Control Act (Georgia) Georgia Water Quality Control Act (Georgia) Georgia Water Quality Control Act (Georgia) < Back Eligibility Agricultural Commercial Construction Developer Fuel Distributor Industrial Installer/Contractor Investor-Owned Utility Municipal/Public Utility Rural Electric Cooperative Systems Integrator Transportation Utility Savings Category Alternative Fuel Vehicles Hydrogen & Fuel Cells Buying & Making Electricity Water Home Weatherization Solar Wind Program Info State Georgia Program Type Environmental Regulations Siting and Permitting Provider Georgia Department of Natural Resources The Georgia Water Quality Control Act (WQCA) is a set of environmental regulations and permitting requirements that comply with the federal Clean Water Act. The Georgia Water Quality Control Act is enforced by the Georgia

54

State water-quality standards summary: South Dakota. Final report  

SciTech Connect

This report contains a summary of water-quality standards for South Dakota. Included is information on use classification, water bodies, and other pertinent data.

1988-01-01T23:59:59.000Z

55

Real-Time Water Quality Management in the Grassland Water District  

SciTech Connect

The purpose of the research project was to advance the concept of real-time water quality management in the San Joaquin Basin by developing an application to drainage of seasonal wetlands in the Grassland Water District. Real-time water quality management is defined as the coordination of reservoir releases, return flows and river diversions to improve water quality conditions in the San Joaquin River and ensure compliance with State water quality objectives. Real-time water quality management is achieved through information exchange and cooperation between shakeholders who contribute or withdraw flow and salt load to or from the San Joaquin River. This project complements a larger scale project that was undertaken by members of the Water Quality Subcommittee of the San Joaquin River Management Program (SJRMP) and which produced forecasts of flow, salt load and San Joaquin River assimilative capacity between 1999 and 2003. These forecasts can help those entities exporting salt load to the River to develop salt load targets as a mechanism for improving compliance with salinity objectives. The mass balance model developed by this project is the decision support tool that helps to establish these salt load targets. A second important outcome of this project was the development and application of a methodology for assessing potential impacts of real-time wetland salinity management. Drawdown schedules are typically tied to weather conditions and are optimized in traditional practices to maximize food sources for over-wintering wildfowl as well as providing a biological control (through germination temperature) of undesirable weeds that compete with the more proteinaceous moist soil plants such as swamp timothy, watergrass and smartweed. This methodology combines high resolution remote sensing, ground-truthing vegetation surveys using established survey protocols and soil salinity mapping using rapid, automated electromagnetic sensor technology. This survey methodology could be complemented with biological surveys of bird use and invertebrates to produce a robust long-term monitoring strategy for habitat health and sustainability.

Quinn, Nigel W.T.; Hanna, W. Mark; Hanlon, Jeremy S.; Burns, Josphine R.; Taylor, Christophe M.; Marciochi, Don; Lower, Scott; Woodruff, Veronica; Wright, Diane; Poole, Tim

2004-12-10T23:59:59.000Z

56

Washington 401 Water Quality Certification JARPA Process | Open...  

Open Energy Info (EERE)

Washington 401 Water Quality Certification JARPA Process Jump to: navigation, search OpenEI Reference LibraryAdd to library Legal Document- OtherOther: Washington 401 Water Quality...

57

Water Quality Regulations (Rhode Island) | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Regulations (Rhode Island) Water Quality Regulations (Rhode Island) Eligibility Agricultural Commercial Construction Developer Fed. Government Fuel Distributor General Public...

58

Local Water Quality Districts (Montana) | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Local Water Quality Districts (Montana) Local Water Quality Districts (Montana) Local Water Quality Districts (Montana) < Back Eligibility Utility Fed. Government Commercial Agricultural Investor-Owned Utility State/Provincial Govt Industrial Construction Municipal/Public Utility Local Government Residential Installer/Contractor Rural Electric Cooperative Tribal Government Low-Income Residential Schools Institutional Multi-Family Residential Fuel Distributor Nonprofit General Public/Consumer Transportation Savings Category Water Buying & Making Electricity Home Weatherization Program Info State Montana Program Type Siting and Permitting Provider Montana Department of Environmental Quality This statute provides for the creation of local water quality districts to prevent and mitigate ground and surface water contamination. Each local

59

Water Quality Trading Program (Ohio) | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Trading Program (Ohio) Trading Program (Ohio) Water Quality Trading Program (Ohio) < Back Eligibility Utility Commercial Agricultural Investor-Owned Utility Industrial Construction Rural Electric Cooperative Retail Supplier Fuel Distributor Nonprofit Transportation Savings Category Buying & Making Electricity Water Home Weatherization Program Info State Ohio Program Type Corporate Tax Incentive Environmental Regulations Provider Ohio Environmental Protection Agency Water quality trading is a tool for achieving water quality improvements. Under the right circumstances, trading has the potential to yield both environmental and economic benefits, while promoting increased interaction among watershed stakeholders. The water quality trading program is a voluntary program that allows a National Pollutant Discharge Elimination System (NPDES) permit holder

60

Requirements Governing Water Quality Standards (West Virginia) | Department  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Requirements Governing Water Quality Standards (West Virginia) Requirements Governing Water Quality Standards (West Virginia) Requirements Governing Water Quality Standards (West Virginia) < Back Eligibility Utility Fed. Government Commercial Agricultural Investor-Owned Utility State/Provincial Govt Industrial Construction Municipal/Public Utility Local Government Residential Installer/Contractor Rural Electric Cooperative Tribal Government Low-Income Residential Schools Retail Supplier Institutional Multi-Family Residential Systems Integrator Fuel Distributor Nonprofit General Public/Consumer Transportation Program Info State West Virginia Program Type Siting and Permitting This rule establishes the requirements governing the discharge or deposit of sewage, industrial wastes and other wastes into waters and establishes water quality standards.

Note: This page contains sample records for the topic "water quality impacts" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


61

Impact Of Standing Bleed Water On Saltstone Placement  

Science Conference Proceedings (OSTI)

The amount of water present during placement and subsequent curing of saltstone has the potential to impact several properties important for grout quality. An active drain water system can remove residual standing water and expose the surface of the placed saltstone to air. Oxidation of the saltstone may result in an increase in the leachability of redox sensitive elements. A dry surface can lead to cracking, causing an increase in hydraulic conductivity. An inactive drain water system can allow standing water that generates unnecessary hydrostatic head on the vault walls. Standing water that cannot be removed via the drain system will be available for potential incorporation into subsequent grout placements. The objective of this work is to study the impact of standing water on grout quality pertaining to disposal units. A series of saltstone mixes were prepared, and cured at ambient temperature to evaluate the impact of standing water on saltstone placement. The samples were managed to control drying effects on leachability by either exposing or capping the samples. The water to premix ratio was varied to represent a range of processing conditions. Samples were analyzed for density, leachability, and hydraulic conductivity. A monolith of each composition was cut into four sections to analyze the homogeneity of the sample with respect to vertical position within the sample. The density of each section was measured by two methods, helium pycnometry and by ASTM 642-06. The results show a trend of increasing density with increasing depth in the samples. This effect is more pronounced with the inclusion of excess bleed water and indicative of increased settling. The leachability of the eight different samples was analyzed by ANS/ANSI 16.1 method. These results indicate that drying of the saltstone during curing leads to decreased Leachability Indices (indicative of more release) for potassium, sodium, rhenium, nitrite, and nitrate. This may be caused by shrinkage cracking in the samples creating additional pathways for contaminant release. There was no noticeable effect on leachability by changing the water to premix ratio or by including excess bleed water. There was no detectable chromium release in any of the samples. Chromium and rhenium were added in equal amounts to determine whether rhenium might be an acceptable surrogate for chromium, a hazardous material. This testing shows no correlation between the behavior of the two elements, as chromium is not released at detectable levels and rhenium is released at a comparable rate to nitrate, the most prevalent and mobile species in saltstone.

Cozzi, A. D.; Pickenheim, B. R.

2012-09-28T23:59:59.000Z

62

Power Quality Impacts of Distributed Generation: Guidelines  

Science Conference Proceedings (OSTI)

With the advent of deregulation, distributed generation (DG) will play an increasing role in electric distribution systems. This report addresses the issue of integrating DG into the electric power system in a way that assures power quality in the grid and at end-use customer facilities.

2000-12-06T23:59:59.000Z

63

An empirical study on sea water quality prediction  

Science Conference Proceedings (OSTI)

This paper studies the problem of predicting future values for a number of water quality variables, based on measurements from under-water sensors. It performs both exploratory and automatic analysis of the collected data with a variety of linear and ... Keywords: Prediction, Regression, Sensor network, Time series, Water quality

Evaggelos V. Hatzikos; Grigorios Tsoumakas; George Tzanis; Nick Bassiliades; Ioannis Vlahavas

2008-08-01T23:59:59.000Z

64

Current and Long-Term Effects of Delta Water Quality on Drinking Water Treatment Costs from Disinfection Byproduct Formation  

E-Print Network (OSTI)

current Delta water Plant and Intake Location System Size (future water quality conditions at different Delta intakesusing the intake with the better water quality between Old

Chen, Wei-Hsiang; Haunschild, Kristine; Lund, Jay R.; Fleenor, William E.

2010-01-01T23:59:59.000Z

65

Chapter 10 Water Quality Standards (Kentucky)  

Energy.gov (U.S. Department of Energy (DOE))

This administrative regulation establishes procedures to protect the surface waters of the Commonwealth, and thus protect water resources. It states the designated uses of surface water and...

66

Multiprobe Water Quality Data from the Tracy Fish Collection...  

NLE Websites -- All DOE Office Websites (Extended Search)

Format txt(csv) License Spatial data were collected with a multi-parameter water quality sonde installed in a perforated pipe located behind the trash rack and...

67

2012 BNL Water Quality Consumer Confidence Report  

E-Print Network (OSTI)

because it comes from one of the two drinking- water wells that produces water naturally low in iron water is produced with pride by the staff of BNL's Water Treatment Facility (WTF) of the Energy & Utilities Division. Producing BNL's finished water are five water- treatment engineers, each having NYSDOH

Ohta, Shigemi

68

Water Quality Control Act (Tennessee) | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

You are here You are here Home » Water Quality Control Act (Tennessee) Water Quality Control Act (Tennessee) < Back Eligibility Agricultural Commercial Construction Developer Fuel Distributor General Public/Consumer Industrial Installer/Contractor Institutional Investor-Owned Utility Local Government Municipal/Public Utility Rural Electric Cooperative Schools State/Provincial Govt Systems Integrator Transportation Tribal Government Utility Savings Category Alternative Fuel Vehicles Hydrogen & Fuel Cells Buying & Making Electricity Water Home Weatherization Solar Wind Program Info State Tennessee Program Type Environmental Regulations Siting and Permitting Provider Tennessee Department Of Environment and Conservation The Water Quality Control Act (WQCA) establishes the water pollution

69

publication 426-042 Urban Water-Quality Management  

E-Print Network (OSTI)

of water plants. www.ext.vt.edu Produced by Communications and Marketing, College of Agriculture and Lifepublication 426-042 Urban Water-Quality Management Winterizing the Water Garden Lynnette Swanson Traci Gilland, Extension Agent, Portsmouth Water gardens require maintenance throughout the year

Liskiewicz, Maciej

70

Solving Water Quality Problems in the Home  

E-Print Network (OSTI)

If your drinking water comes from a private water well, there are certain procedures you can follow to make sure the water is safe. This publication explains how to get your water tested and, if treatment is necessary, to select the correct treatment equipment. Tables display common water problems and the equipment used to treat them.

Dozier, Monty; McFarland, Mark L.

2004-02-20T23:59:59.000Z

71

Power Quality and Harmonic Impacts of Distributed Generation Technologies  

Science Conference Proceedings (OSTI)

The PQ TechWatch report series builds on EPRI's broad expertise and power quality testing and evaluation work to provide a vital flow of data, including important information on emerging trends powering ebusinesses and developments in next-generation power quality mitigation and energy storage technologies.This PQ TechWatch aims to present an overview of power quality impacts resulting from operation of DG technologies on the grid. An emphasis on harmonic effects is included here. Concerns in this area a...

2010-12-14T23:59:59.000Z

72

Clustering analysis of water quality for canals in bangkok, thailand  

Science Conference Proceedings (OSTI)

Two clustering techniques of water quality for canals in Bangkok were compared: K-means and Fuzzy c-means. The result illustrated that K-means has a better performance. As a result, K-means cluster was used to classify 24 canals of 344 records of surface ... Keywords: K-means clustering, surface water quality, watershed management

Sirilak Areerachakul; Siripun Sanguansintukul

2010-03-01T23:59:59.000Z

73

Water quality and business aspects of sachet-vended water in Tamale, Ghana  

E-Print Network (OSTI)

Microbial water quality analyses were conducted on 15 samples of factory-produced sachet water and 15 samples of hand-tied sachet water, sold in Tamale, Ghana. The tests included the membrane filtration (MF) test using ...

Okioga, Teshamulwa (Teshamulwa Irene)

2007-01-01T23:59:59.000Z

74

Water quality and business aspects of sachet-vended water in Tamale, Ghana.  

E-Print Network (OSTI)

??Microbial water quality analyses were conducted on 15 samples of factory-produced sachet water and 15 samples of hand-tied sachet water, sold in Tamale, Ghana. The… (more)

Okioga, Teshamulwa (Teshamulwa Irene)

2007-01-01T23:59:59.000Z

75

Recreational Lake and Water Quality Districts (Iowa) | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Recreational Lake and Water Quality Districts (Iowa) Recreational Lake and Water Quality Districts (Iowa) Recreational Lake and Water Quality Districts (Iowa) < Back Eligibility Agricultural Commercial Construction Fed. Government Fuel Distributor General Public/Consumer Industrial Installer/Contractor Institutional Investor-Owned Utility Local Government Low-Income Residential Multi-Family Residential Municipal/Public Utility Nonprofit Residential Retail Supplier Rural Electric Cooperative Schools State/Provincial Govt Systems Integrator Transportation Tribal Government Utility Savings Category Alternative Fuel Vehicles Hydrogen & Fuel Cells Buying & Making Electricity Water Home Weatherization Solar Wind Program Info State Iowa Program Type Environmental Regulations Territory contiguous to a recreational lake may be incorporated into a

76

Chapter 10 Water Quality Standards (Kentucky) | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

10 Water Quality Standards (Kentucky) 10 Water Quality Standards (Kentucky) Chapter 10 Water Quality Standards (Kentucky) < Back Eligibility Agricultural Commercial Construction Developer Fed. Government Fuel Distributor General Public/Consumer Industrial Installer/Contractor Institutional Investor-Owned Utility Local Government Low-Income Residential Multi-Family Residential Municipal/Public Utility Nonprofit Residential Retail Supplier Rural Electric Cooperative Schools State/Provincial Govt Systems Integrator Transportation Tribal Government Utility Savings Category Alternative Fuel Vehicles Hydrogen & Fuel Cells Buying & Making Electricity Water Home Weatherization Solar Wind Program Info State Kentucky Program Type Environmental Regulations Provider Department for Environmental Protection This administrative regulation establishes procedures to protect the

77

Impact of coal quality and gasifier technology on IGCC performance  

E-Print Network (OSTI)

1 Impact of coal quality and gasifier technology on IGCC performance Ola Maurstad1 *, Howard Herzog 02139, USA Abstract Integrated coal gasification combined cycle (IGCC) plants withpre different coals were used and alternatives with and without CO2 capture calculated. It was found

78

Impacts of Contaminant Storage on Indoor Air Quality: Model Development  

NLE Websites -- All DOE Office Websites (Extended Search)

Impacts of Contaminant Storage on Indoor Air Impacts of Contaminant Storage on Indoor Air Quality: Model Development Max H. Sherman and Erin L. Hult Environmental Energy Technologies Division January 2013 In Press as Sherman, M.H., Hult, E.L. 2013. Impacts of contaminant storage on indoor air quality: Model development. Atmospheric Environment. LBNL-6114E 2 DISCLAIMER This document was prepared as an account of work sponsored by the United States Government. While this document is believed to contain correct information, neither the United States Government nor any agency thereof, nor the Regents of the University of California, nor any of their employees, makes any warranty, express or implied, or assumes any legal responsibility for the accuracy, completeness, or usefulness of any

79

Surface Water Quality Standards (New Jersey) | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Surface Water Quality Standards (New Jersey) Surface Water Quality Standards (New Jersey) Surface Water Quality Standards (New Jersey) < Back Eligibility Utility Fed. Government Commercial Agricultural Investor-Owned Utility State/Provincial Govt Industrial Construction Municipal/Public Utility Local Government Residential Installer/Contractor Rural Electric Cooperative Tribal Government Low-Income Residential Schools Retail Supplier Institutional Multi-Family Residential Systems Integrator Fuel Distributor Nonprofit General Public/Consumer Transportation Savings Category Alternative Fuel Vehicles Hydrogen & Fuel Cells Buying & Making Electricity Water Home Weatherization Solar Wind Program Info State New Jersey Program Type Siting and Permitting Provider Bureau of Water Quality Standards and Assessment These standards establish the designated uses and antidegradation

80

National Water Program Impact Report, 2004-2005  

E-Print Network (OSTI)

Farmer Program ~ The Water Quality Education for Agricultural Producers Program Team has developed Water Quality Regional Team. This broadcast, which highlighted stormwater management, was produced method of nitrogen fertilizers in the guides. 75th PNW WATER UPDATE Produced The region produces 24

Note: This page contains sample records for the topic "water quality impacts" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


81

Chesapeake Bay Program Water Quality Database | Data.gov  

NLE Websites -- All DOE Office Websites (Extended Search)

Chesapeake Bay Program Water Quality Database Chesapeake Bay Program Water Quality Database Ocean Data Tools Technical Guide Map Gallery Regional Planning Feedback Ocean You are here Data.gov » Communities » Ocean » Data Chesapeake Bay Program Water Quality Database Dataset Summary Description The Chesapeake Information Management System (CIMS), designed in 1996, is an integrated, accessible information management system for the Chesapeake Bay Region. CIMS is an organized, distributed library of information and software tools designed to increase basin-wide public access to Chesapeake Bay information. The information delivered by CIMS includes technical and public information, educational material, environmental indicators, policy documents, and scientific data. Through the use of relational databases, web-based programming, and web-based GIS a large number of Internet resources have been established. These resources include multiple distributed on-line databases, on-demand graphing and mapping of environmental data, and geographic searching tools for environmental information. Baseline monitoring data, summarized data and environmental indicators that document ecosystem status and trends, confirm linkages between water quality, habitat quality and abundance, and the distribution and integrity of biological populations are also available. One of the major features of the CIMS network is the Chesapeake Bay Program's Data Hub, providing users access to a suite of long- term water quality and living resources databases. Chesapeake Bay mainstem and tidal tributary water quality, benthic macroinvertebrates, toxics, plankton, and fluorescence data can be obtained for a network of over 800 monitoring stations.

82

Water Quality Program, Volume 1 (Alabama) | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Program, Volume 1 (Alabama) Program, Volume 1 (Alabama) Water Quality Program, Volume 1 (Alabama) < Back Eligibility Commercial Construction Developer Industrial Municipal/Public Utility Savings Category Alternative Fuel Vehicles Hydrogen & Fuel Cells Buying & Making Electricity Water Home Weatherization Solar Wind Program Info State Alabama Program Type Environmental Regulations This volume of the water quality program mainly deals with the National Pollutant Discharge Elimination System. National Pollutant Discharge Elimination System" or "(NPDES)" means the national program for issuing, modifying, revoking and reissuing, terminating, monitoring and enforcing permits for the discharge of pollutants into waters of the state. An industrial user, whether or not the user is subject to other categorical

83

Utah Division of Water Quality | Open Energy Information  

Open Energy Info (EERE)

Water Quality Water Quality Jump to: navigation, search Logo: Utah Division of Water Quality Name Utah Division of Water Quality Address 195 North 1950 West Place Salt Lake City, Utah Phone number 801.536.4400 Website http://www.waterquality.utah.g Coordinates 40.7733661°, -111.9472798° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":40.7733661,"lon":-111.9472798,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

84

Proceedings: Impacts of Fuel Quality on Power Production  

Science Conference Proceedings (OSTI)

A conference on the Impacts of Fuel Quality on Power Production highlighted the challenges facing power producers using such established power technologies as fluidized bed, sub-critical boilers, and incinerations as well as emerging technologies such as Integrated Gasification Combined Cycle (IGCC), Pressurized Fluidized Bed Combustion (PFBC), super- and ultrasuper-critical boilers, and oxy-fuel systems. Presentations reported industry experience in the United States and Europe with an emphasis on minim...

2007-03-09T23:59:59.000Z

85

25September 2011 Water Quality Education for Hood County, Texas  

E-Print Network (OSTI)

25September 2011 2010 Water Quality Education for Hood County, Texas Federal Initiative Accomplishments Lead Agency Texas AgriLife Extension Service Partners Texas AgriLife Research; U.S. Environmental Protection Agency; Brazos River Authority; Texas Commission on Environmental Quality Federal Funding USDA

86

Safe river water: A ubiquitous and collaborative water quality monitoring solution  

Science Conference Proceedings (OSTI)

Water quality is vital to human life and economy. However, one sixth of the world's population suffers from lack of safe drinking and domestic water. Aiming to improve the capability of predicting and responding to river pollution disasters, this project ...

Bin Hu; Bo Hu; JiZheng Wan; Huilan Nie; Chongzhi Zhai

2009-10-01T23:59:59.000Z

87

Water Quality Modeling in Kranji Catchment  

E-Print Network (OSTI)

This thesis describes the process and results of applying the Soil and Water Assessment Tool (SWAT) to characterize bacterial fate and transport in the Kranji Catchment of Singapore. The goal of this process is to predict ...

Granger, Erika C

2010-01-01T23:59:59.000Z

88

Impacts of Mixing on Acceptable Indoor Air Quality in Homes  

NLE Websites -- All DOE Office Websites (Extended Search)

Impacts of Mixing on Acceptable Indoor Air Quality in Homes Impacts of Mixing on Acceptable Indoor Air Quality in Homes Title Impacts of Mixing on Acceptable Indoor Air Quality in Homes Publication Type Journal Article LBNL Report Number LBNL-3048E Year of Publication 2010 Authors Sherman, Max H., and Iain S. Walker Journal HVAC & Research Journal Keywords air distribution, indoor air quality, mechanical ventilation, mixing, other, resave, residential ventilation, ventilation effectiveness Abstract Ventilation reduces occupant exposure to indoor contaminants by diluting or removing them. In a multi-zone environment such as a house, every zone will have different dilution rates and contaminant source strengths. The total ventilation rate is the most important factor in determining occupant exposure to given contaminant sources, but the zone-specific distribution of exhaust and supply air and the mixing of ventilation air can play significant roles. Different types of ventilation systems will provide different amounts of mixing depending on several factors such as air leakage, air distribution system, and contaminant source and occupant locations. Most U.S. and Canadian homes have central heating, ventilation, and air conditioning systems, which tend to mix the air; thus, the indoor air in different zones tends to be well mixed for significant fractions of the year. This article reports recent results of investigations to determine the impact of air mixing on exposures of residential occupants to prototypical contaminants of concern. We summarize existing literature and extend past analyses to determine the parameters than affect air mixing as well as the impacts of mixing on occupant exposure, and to draw conclusions that are relevant for standards development and for practitioners designing and installing home ventilation systems. The primary conclusion is that mixing will not substantially affect the mean indoor air quality across a broad population of occupants, homes, and ventilation systems, but it can reduce the number of occupants who are exposed to extreme pollutant levels. If the policy objective is to minimize the number of people exposed above a given pollutant threshold, some amount of mixing will be of net benefit even though it does not benefit average exposure. If the policy is to minimize exposure on average, then mixing air in homes is detrimental and should not be encouraged. We also conclude that most homes in the US have adequate mixing already, but that new, high-performance homes may require additional mixing. Also our results suggest that some differentiation should be made in policies and standards for systems that provide continuous exhaust, thereby reducing relative dose for occupants overall

89

Surface Water Quality Standards (Nebraska) | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Nebraska) Nebraska) Surface Water Quality Standards (Nebraska) < Back Eligibility Agricultural Commercial Construction Fed. Government Fuel Distributor General Public/Consumer Industrial Installer/Contractor Institutional Investor-Owned Utility Local Government Low-Income Residential Multi-Family Residential Municipal/Public Utility Nonprofit Residential Retail Supplier Rural Electric Cooperative Schools State/Provincial Govt Systems Integrator Transportation Tribal Government Utility Savings Category Alternative Fuel Vehicles Hydrogen & Fuel Cells Buying & Making Electricity Water Home Weatherization Solar Wind Program Info State Nebraska Program Type Siting and Permitting Provider Environmental Quality These regulations, promulgated by the Department of Environmental Quality,

90

Transparent Prices for Municipal Water: Impact of Pricing and...  

NLE Websites -- All DOE Office Websites (Extended Search)

Transparent Prices for Municipal Water: Impact of Pricing and Billing Practices on Residential Water Use Speaker(s): Sylvestre Gaudin Date: November 29, 2004 - 12:00pm Location:...

91

USGS Study: Water Quality A Potential Concern in Private Wells  

E-Print Network (OSTI)

USGS Study: Water Quality A Potential Concern in Private Wells More than 20 percent of private domestic wells sampled nationwide contain at least one contaminant at levels of potential health concern's population, use private wells, which are not regulated by the Federal Safe Drinking Water Act. USGS

Nebraska-Lincoln, University of

92

Water Quality Program, Volume 2 (Alabama) | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Quality Program, Volume 2 (Alabama) Quality Program, Volume 2 (Alabama) Water Quality Program, Volume 2 (Alabama) < Back Eligibility Commercial Construction Developer Industrial Municipal/Public Utility Savings Category Buying & Making Electricity Water Home Weatherization Program Info State Alabama Program Type Environmental Regulations This volume of the water quality program mainly deals with Technical Standards, Corrective Action Requirements and Financial Responsibility for Owners and Operators of Underground Storage Tanks. This chapter is promulgated to establish construction, installation, performance, and operating standards for underground storage tanks. Any owner or operator of an underground storage tank system for which a notification has not been provided to the Department as of April 5, 1989, must within 30 days of that

93

Water Quality Act (New Mexico) | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Act (New Mexico) Act (New Mexico) Water Quality Act (New Mexico) < Back Eligibility Agricultural Commercial Construction Fed. Government Fuel Distributor General Public/Consumer Industrial Installer/Contractor Institutional Investor-Owned Utility Local Government Low-Income Residential Multi-Family Residential Municipal/Public Utility Nonprofit Residential Retail Supplier Rural Electric Cooperative Schools State/Provincial Govt Systems Integrator Transportation Tribal Government Utility Savings Category Alternative Fuel Vehicles Hydrogen & Fuel Cells Buying & Making Electricity Water Home Weatherization Solar Wind Program Info State New Mexico Program Type Environmental Regulations Provider New Mexico Environment Department This act establishes the Water Quality Control Commission and states the

94

High Resolution River Hydraulic and Water Quality Characterization Using Rapidly Deployable Networked Infomechanical Systems (NIMS RD)  

E-Print Network (OSTI)

High Resolution River Hydraulic and Water Quality1594. High Resolution River Hydraulic and Water Qualityobserving spatiotemporal hydraulic and chemical properties

Thomas C. Harmon; Richard F. Ambrose; Robert M. Gilbert; Jason C. Fisher; Michael Stealey; William J. Kaiser

2006-01-01T23:59:59.000Z

95

IMPACTS OF SAFETY & QUALITY IN ENVIRONMENTAL RESTORATION AT HANFORD  

Science Conference Proceedings (OSTI)

The aim of this paper is to demonstrate the integration of safety methodology, quality tools, leadership, and teamwork at Hanford and their significant positive impact on safe performance of work. Control charts, Pareto Charts, Dr. W. Edward Deming's Red Bead Experiment, and Dr. Deming's System of Profound Knowledge have been the principal tools and theory of an integrated management system. Coupled with involved leadership and teamwork they have led to significant improvements in worker safety and protection, and environmental restoration at one of the nation's largest nuclear cleanup sites.

PREVETTE, S.S.

2004-07-26T23:59:59.000Z

96

SD-GIS-based temporal-spatial simulation of water quality in sudden water pollution accidents  

Science Conference Proceedings (OSTI)

System dynamics (SD) is well suited for studying dynamic nonlinear complex systems. In this paper, SD is applied to a rapid-onset water pollution accident using a 1-D water quality model and a conceptual GIS-SD framework is constructed to simulate the ... Keywords: System dynamics, Temporal-spatial simulation, Water pollution accidents

Bo Zhang; Yu Qin; Mingxiang Huang; Qiang Sun; Shun Li; Liqiang Wang; Chaohui Yu

2011-07-01T23:59:59.000Z

97

Review of Wildfire Effects on Chemical Water Quality  

SciTech Connect

The Cerro Grande Fire of May 2000 burned almost 43,000 acres of forested land within the Pajarito Plateau watershed in northern New Mexico. Runoff events after the fire were monitored and sampled by Los Alamos National Laboratory. Changes in the composition of runoff water were noted when compared to runoff water composition of the previous 20 years. In order to understand the chemical water quality changes noted in runoff water after the Cerro Grande Fire, a summary of the reported effects of fire on runoff water chemistry and on soils that contribute to runoff water chemistry was compiled. The focus of this report is chemical water quality, so it does not address changes in sediment transport or water quantity associated with fires. Within the general inorganic parameters, increases of dissolved calcium, magnesium, nitrogen, phosphorus, and potassium and pH in runoff water have been observed as a result of fire. However, the dissolved sodium, carbon, and sulfate have been observed to increase and decrease as a result of fire. Metals have been much less studied, but manganese, copper, zinc, and cesium-137 have been observed to increase as a result of fire.

Kelly Bitner; Bruce Gallaher; Ken Mullen

2001-05-01T23:59:59.000Z

98

Breakthrough Water Cleaning Technology Could Lessen Environmental Impacts  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Breakthrough Water Cleaning Technology Could Lessen Environmental Breakthrough Water Cleaning Technology Could Lessen Environmental Impacts from Shale Production Breakthrough Water Cleaning Technology Could Lessen Environmental Impacts from Shale Production April 28, 2011 - 1:00pm Addthis Washington, DC - A novel water cleaning technology currently being tested in field demonstrations could help significantly reduce potential environmental impacts from producing natural gas from the Marcellus shale and other geologic formations, according to the Department of Energy's (DOE) National Energy Technology Laboratory (NETL). ABSMaterial's Osorb® technology, which uses swelling glass to remove impurities, has been shown to clean flow back water and produced water from hydraulically fractured oil and gas wells. Produced waters are by far the

99

Real-Time Water Quality Monitoring and Habitat Assessment in the San Luis National Wildlife Refuge  

E-Print Network (OSTI)

interests is implemented, water quality compliance withfor computing crop water requirements. FAO Irrigation andof SEBAL for western US water rights regulation and

2005-01-01T23:59:59.000Z

100

MHK Technologies/Zero Impact Water Current Turbine | Open Energy  

Open Energy Info (EERE)

Zero Impact Water Current Turbine Zero Impact Water Current Turbine < MHK Technologies Jump to: navigation, search << Return to the MHK database homepage Technology Profile Primary Organization Green Wave Energy Corp GWEC Project(s) where this technology is utilized *MHK Projects/Green Wave Mendocino *MHK Projects/Green Wave San Luis Obispo Technology Resource Click here Current/Tidal Technology Type Click here Axial Flow Turbine Technology Readiness Level Click here TRL 4: Proof of Concept Technology Description The Green Wave Zero Impact Water Current Turbine is a water current turbine that will revolutionize power generation as we know it Technology Dimensions Device Testing Date Submitted 10/8/2010 << Return to the MHK database homepage Retrieved from "http://en.openei.org/w/index.php?title=MHK_Technologies/Zero_Impact_Water_Current_Turbine&oldid=681718

Note: This page contains sample records for the topic "water quality impacts" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


101

Cost-efficient monitoring of water quality in district heating systems This article examines the monitoring strategy for water quality in a large Danish district  

E-Print Network (OSTI)

Cost-efficient monitoring of water quality in district heating systems This article examines the monitoring strategy for water quality in a large Danish district heating system ­ and makes a proposal for a technical and economic improvement. Monitoring of water quality in district heating systems is necessary

102

Water Resource Impacts of Alternative Fuels  

E-Print Network (OSTI)

Energy Commission also has produced large number of reports on California's water ­ energy relationship. NRDC and other NGOs also have produced reports on similar issues #12;8 Modeling Water Resources within per unit (gallon or mmBtu) of ethanol produced NAS (07), Fingerman (08): Net water changes from

California at Davis, University of

103

Transparent Prices for Municipal Water: Impact of Pricing and Billing  

NLE Websites -- All DOE Office Websites (Extended Search)

Transparent Prices for Municipal Water: Impact of Pricing and Billing Transparent Prices for Municipal Water: Impact of Pricing and Billing Practices on Residential Water Use Speaker(s): Sylvestre Gaudin Date: November 29, 2004 - 12:00pm Location: Bldg. 90 Seminar Host/Point of Contact: John Busch Jr. Economic Research shows overwhelmingly that residential consumers do not pay much attention to price changes when they make decisions about water use. This weak price sensitivity is often attributed to the intrinsic nature of water as a necessity. However, a large part of water use is the result of choices that could easily be altered without affecting basic welfare. Economic theory points to at least two other reasons why consumers would not be responsive to price changes for water use: the fact that water bills constitute a small portion of their budgets, and the fact that price

104

Wind and Water Nexus: Impacts of Wind Development on Water Use...  

Wind Powering America (EERE)

Wind and Water Nexus: Impacts of Wind Development on Water Use in the Energy Sector March 20, 2013 Coordinator: Welcome and thank you for standing by. At this time all...

105

Impacts of contaminant storage on indoor air quality: Model development  

NLE Websites -- All DOE Office Websites (Extended Search)

of of contaminant storage on indoor air quality: Model development Max H. Sherman, Erin L. Hult * Lawrence Berkeley National Laboratory, 1 Cyclotron Road MS 90R3083, Berkeley, CA 94720-8133, USA h i g h l i g h t s < A lumped parameter model is applied to describe emission and storage buffering of contaminants. < Model is used to assess impact of ventilation on indoor formaldehyde exposure. < Observations of depletion of stored contaminants can be described by model. a r t i c l e i n f o Article history: Received 8 November 2012 Received in revised form 7 February 2013 Accepted 11 February 2013 Keywords: Buffering capacity Formaldehyde Moisture a b s t r a c t A first-order, lumped capacitance model is used to describe the buffering of airborne chemical species by building materials and furnishings in the indoor environment. The model is applied to describe the interaction between formaldehyde

106

Climate Impact on Water Availability for Electricity Generation  

NLE Websites -- All DOE Office Websites (Extended Search)

Climate Impact on Water Availability for Electricity Generation Speaker(s): Denis Aelbrecht Date: April 11, 2006 - 12:00pm Location: Bldg. 90 Europe and France experienced a huge...

107

NM WAIDS: A PRODUCED WATER QUALITY AND INFRASTRUCTURE GIS DATABASE FOR NEW MEXICO OIL PRODUCERS  

SciTech Connect

The New Mexico Water and Infrastructure Data System (NM WAIDS) seeks to alleviate a number of produced water-related issues in southeast New Mexico. The project calls for the design and implementation of a Geographical Information System (GIS) and integral tools that will provide operators and regulators with necessary data and useful information to help them make management and regulatory decisions. The major components of this system are: (1) Databases on produced water quality, cultural and groundwater data, oil pipeline and infrastructure data, and corrosion information. (2) A web site capable of displaying produced water and infrastructure data in a GIS or accessing some of the data by text-based queries. (3) A fuzzy logic-based, site risk assessment tool that can be used to assess the seriousness of a spill of produced water. (4) A corrosion management toolkit that will provide operators with data and information on produced waters that will aid them in deciding how to address corrosion issues. The various parts of NM WAIDS will be integrated into a website with a user-friendly interface that will provide access to previously difficult-to-obtain data and information. Primary attention during the first six months of this project was focused on creating the water quality databases for produced water and surface water, along with collecting of corrosion information and building parts of the corrosion toolkit. Work on the project to date includes: (1) Creation of a water quality database for produced water analyses. The database was compiled from a variety of sources and currently has over 7000 entries for New Mexico. (2) Creation of a web-based data entry system for the water quality database. This system allows a user to view, enter, or edit data from a web page rather than having to directly access the database. (3) Creation of a semi-automated data capturing system for use with standard water quality analysis forms. This system improves the accuracy and speed of water quality data entry. (4) Acquisition of ground water data from the New Mexico State Engineer's office, including chloride content and TDS (Total Dissolved Solids) for over 30,000 data points in southeast New Mexico. (5) Creation of a web-based scale prediction tool, again with a web-based interface, that uses two common scaling indices to predict the likelihood of scaling. This prediction tool can either run from user input data, or the user can select samples from the water analysis database. (6) Creation of depth-to-groundwater maps for the study area. (7) Analysis of water quality data by formation. (8) Continuation of efforts to collect produced water quality information from operators in the southeast New Mexico area. (9) Qualitative assessment of produced water from various formations regarding corrosivity. (10) Efforts at corrosion education in the region through operator visits. Future work on this project will include: (1) Development of an integrated web and GIS interface for all the information collected in this effort. (2) Continued development of a fuzzy logic spill risk assessment tool that was initially developed prior to this project. Improvements will include addition of parameters found to be significant in determining the impact of a brine spill at a specific site. (3) Compilation of both hard copy and online corrosion toolkit material.

Martha Cather; Robert Lee; Ibrahim Gundiler; Andrew Sung

2003-09-24T23:59:59.000Z

108

Influence of air quality model resolution on uncertainty associated with health impacts  

E-Print Network (OSTI)

We use regional air quality modeling to evaluate the impact of model resolution on uncertainty associated with the human health benefits resulting from proposed air quality regulations. Using a regional photochemical model ...

Thompson, Tammy M.

109

Quantifying Water Impacts of Buildings' Energy Usage  

Science Conference Proceedings (OSTI)

... Irrigation-Livestock 83.3% Thermoelectric Power 3.4% Page 7. ... Hydro. Water consumed upstream may not make it through turbines downstream. ...

2009-11-04T23:59:59.000Z

110

Aerosol climate effects and air quality impacts from 1980 to 2030  

E-Print Network (OSTI)

quality impacts from 1980 to 2030 Table 1. Description ofincreases to 309.9 Wm ?2 for 2030. References Albrecht B Aquality impacts from 1980 to 2030 Shindell D, Faluvegi G,

Menon, Surabi

2008-01-01T23:59:59.000Z

111

Impact Of Standing Water On Saltstone Placement II - Hydraulic Conductivity Data  

Science Conference Proceedings (OSTI)

The amount of water present during placement and subsequent curing of saltstone has the potential to impact several properties important for grout quality. An active drain water system can remove residual standing water and expose the surface of the placed saltstone to air. Oxidation of the saltstone may result in an increase in the leachability of redox sensitive elements. A dry surface can lead to cracking, causing an increase in hydraulic conductivity. An inactive drain water system can allow standing water that generates unnecessary hydrostatic head on the vault walls. Standing water that cannot be removed via the drain system will be available for potential incorporation into subsequent grout placements. The objective of this work is to study the impact of standing water on grout quality pertaining to disposal units. A series of saltstone mixes was prepared and cured at ambient temperature to evaluate the impact of standing water on saltstone placement. The samples were managed to control drying effects on leachability by either exposing or capping the samples. The water to premix ratio was varied to represent a range of processing conditions. Samples were analyzed for density, leachability, and hydraulic conductivity. Report SRNL-STI-2012-00546 was issued detailing the experimental procedure, results, and conclusions related to density and leachability. In the previous report, it was concluded that: density tends to increase toward the bottom of the samples. This effect is pronounced with excess bleed water; drying of the saltstone during curing leads to decreased Leachability Index (more leaching) for potassium, sodium, rhenium, nitrite, and nitrate; there is no noticeable effect on saltstone oxidation/leachability by changing the water to premix ratio (over the range studied), or by pouring into standing water (when tested up to 10 volume percent). The hydraulic conductivity data presented in this report show that samples cured exposed to the atmosphere had about three orders of magnitude higher hydraulic conductivity than any of the other samples. Considering these data, along with the results presented in the previous report, leads to the conclusion that small changes in water to premix ratio and the inclusion of up to 10 volume percent standing water should not be expected to have a detrimental effect on saltstone grout quality. The hydraulic conductivity results further demonstrate that curing in a moist environment is critical to maintaining saltstone quality.

Cozzi, A. D.; Pickenheim, B. R.

2012-12-06T23:59:59.000Z

112

Relationship of regional water quality to aquifer thermal energy storage  

DOE Green Energy (OSTI)

Ground-water quality and associated geologic characteristics may affect the feasibility of aquifer thermal energy storage (ATES) system development in any hydrologic region. This study sought to determine the relationship between ground-water quality parameters and the regional potential for ATES system development. Information was collected from available literature to identify chemical and physical mechanisms that could adversely affect an ATES system. Appropriate beneficiation techniques to counter these potential geochemical and lithologic problems were also identified through the literature search. Regional hydrology summaries and other sources were used in reviewing aquifers of 19 drainage regions in the US to determine generic geochemical characteristics for analysis. Numerical modeling techniques were used to perform geochemical analyses of water quality from 67 selected aquifers. Candidate water resources regions were then identified for exploration and development of ATES. This study identified six principal mechanisms by which ATES reservoir permeability may be impaired: (1) particulate plugging, (2) chemical precipitation, (3) liquid-solid reactions, (4) formation disaggregation, (5) oxidation reactions, and (6) biological activity. Specific proven countermeasures to reduce or eliminate these effects were found. Of the hydrologic regions reviewed, 10 were identified as having the characteristics necessary for ATES development: (1) Mid-Atlantic, (2) South-Atlantic Gulf, (3) Ohio, (4) Upper Mississippi, (5) Lower Mississippi, (6) Souris-Red-Rainy, (7) Missouri Basin, (8) Arkansas-White-Red, (9) Texas-Gulf, and (10) California.

Allen, R.D.

1983-11-01T23:59:59.000Z

113

GRR/Section 14-UT-d - Section 401 Water Quality Certification | Open Energy  

Open Energy Info (EERE)

GRR/Section 14-UT-d - Section 401 Water Quality Certification GRR/Section 14-UT-d - Section 401 Water Quality Certification < GRR Jump to: navigation, search GRR-logo.png GEOTHERMAL REGULATORY ROADMAP Roadmap Home Roadmap Help List of Sections Section 14-UT-d - Section 401 Water Quality Certification 14-UT-d - Section 401 Water Quality Certification.pdf Click to View Fullscreen Triggers None specified Section 401 of the Clean Water Act (CWA) requires a Water Quality Certification for any federal license or permit that is issued to construct or operate a facility, which may result in any fill or discharge into the navigable waters of the United States. The Utah Division of Water Quality oversees the 401 Water Quality Certification process in the state of Utah. The director of the Utah Division of Water Quality ("director") handles

114

Use of compost filter bermsfor sediment trapping: primary focus on water quality and structural stability  

E-Print Network (OSTI)

Runoff from road construction and maintenance sites is responsible for erosion and deposition of sediments in the receiving water bodies. In addition to soil particles from erosion, runoff also transports other pollutants such as rubber, toxic metals, automobile fluids, car exhausts (which settle with the rain), pesticides, fertilizers, and other debris. Compost has been used effectively as a valuable soil amendment to aid plant growth. Berms (mounds) of compost placed at the top or bottom of steep slopes can be used to slow the velocity of water and provide additional protection for receiving waters. However, a downside of the application of composted organic material is the potential degradation of runoff water quality. Overloading with nitrogen and phosphorus causes eutrophication, which reduces the suitability of waterways for beneficial uses. A field testing of the berms coupled with a laboratory analysis of the testing water will provide a basis for the impact of the compost berms on the runoff water quality. The study of the impact of compost on the runoff water quality was investigated. The objective of this study was to evaluate the performance of berms made from various materials such as dairy manure compost, yard waste compost and composted bio-solids mixed with wood chips in a ratio of 50:50 on the runoff water quality, as well as, the sediment removal efficiencies. Field tests were performed on the berms to simulate conventional rainfall runoff and the tested water was collected as time-weighted samples and analyzed in the laboratory. Several variables were investigated during this study. Results of this investigation demonstrated that the effectiveness of this application was hampered by the structural instability of the berm. A 100% failure rate was observed in the berms tested. Optimum performance was observed in yard waste compost berms, which introduced the least amount of contaminants into the water. However, some masking effect could be present due to berm failures. In fact, the actual sediment removal by the berms could not be determined. The study of compost filter berms showed some evidence of the existence of first flush effect.

Raut Desai, Aditya Babu

2004-08-01T23:59:59.000Z

115

Water Quality Program, Volume 2 (Alabama) | Open Energy Information  

Open Energy Info (EERE)

Program, Volume 2 (Alabama) Program, Volume 2 (Alabama) No revision has been approved for this page. It is currently under review by our subject matter experts. Jump to: navigation, search Last modified on February 13, 2013. EZFeed Policy Place Alabama Applies to States or Provinces Alabama Name Water Quality Program, Volume 2 (Alabama) Policy Category Other Policy Policy Type Environmental Regulations Affected Technologies Biomass/Biogas, Coal with CCS, Energy Storage, Geothermal Electric, Hydroelectric, Hydroelectric (Small), Natural Gas, Nuclear, Tidal Energy Active Policy Yes Implementing Sector State/Province Program Administrator Alabama Department of Environmental Management Primary Website http://www.adem.state.al.us/alEnviroRegLaws/files/Division6Vol2.pdf Summary This volume of the water quality program mainly deals with Technical

116

Approaches to verification of two-dimensional water quality models  

DOE Green Energy (OSTI)

The verification of a water quality model is the one procedure most needed by decision making evaluating a model predictions, but is often not adequate or done at all. The results of a properly conducted verification provide the decision makers with an estimate of the uncertainty associated with model predictions. Several statistical tests are available for quantifying of the performance of a model. Six methods of verification were evaluated using an application of the BETTER two-dimensional water quality model for Chickamauga reservoir. Model predictions for ten state variables were compared to observed conditions from 1989. Spatial distributions of the verification measures showed the model predictions were generally adequate, except at a few specific locations in the reservoir. The most useful statistics were the mean standard error of the residuals. Quantifiable measures of model performance should be calculated during calibration and verification of future applications of the BETTER model. 25 refs., 5 figs., 7 tabs.

Butkus, S.R. (Tennessee Valley Authority, Chattanooga, TN (USA). Water Quality Dept.)

1990-11-01T23:59:59.000Z

117

Impervious Areas: Examining the Undermining Effects on Surface Water Quality  

E-Print Network (OSTI)

This study explored the relationship between increased proportions of imperviousness in a watershed on surface water quality and examined the effectiveness of using remote sensing to systematically and accurately determine impervious surfaces. A supervised maximum likelihood algorithm was used to classify the 2008 high resolution National Agriculture Imagery Program (NAIP) imagery into six classifications. A stratified random sampling scheme was conducted to complete an accuracy assessment of the classification. The overall accuracy was 85%, and the kappa coefficient was 0.80. Additionally, field sampling and chemical analysis techniques were used to examine the relationship between impervious surfaces and water quality in a rainfall simulation parking lot study. Results indicated that day since last rain event had the most significant effect on surface water quality. Furthermore, concrete produced higher dissolved organic carbon (DOC), dissolved organic nitrogen (DON), potassium and calcium in runoff concentrations than did asphalt. Finally, a pollutant loading application model was used to estimate pollutant loadings for three watersheds using two scenarios. Results indicated that national data may overestimate annual pollutant loads by approximately 700%. This study employed original techniques and methodology to combine the extraction of impervious surfaces, utilization of local rainfall runoff data and hydrological modeling to increase planners' and scientists' awareness of using local data and remote sensing data to employ predictive hydrological modeling.

Young, De'Etra Jenra

2010-12-01T23:59:59.000Z

118

Application of partial mutual information variable selection to ANN forecasting of water quality in water distribution systems  

Science Conference Proceedings (OSTI)

Recent trends in the management of water supply have increased the need for modelling techniques that can provide reliable, efficient, and accurate representation of the complex, non-linear dynamics of water quality within water distribution systems. ... Keywords: Artificial neural networks, Chlorine disinfection, Chlorine residual forecasting, Input variable selection, Partial mutual information, Water quality modelling

Robert J. May; Graeme C. Dandy; Holger R. Maier; John B. Nixon

2008-10-01T23:59:59.000Z

119

www.mdpi.com/journal/ijerph Bottled Water: United States Consumers and Their Perceptions of Water Quality  

E-Print Network (OSTI)

Abstract: Consumption of bottled water is increasing worldwide. Prior research shows many consumers believe bottled water is convenient and has better taste than tap water, despite reports of a number of water quality incidents with bottled water. The authors explore the demographic and social factors associated with bottled water users in the U.S. and the relationship between bottled water use and perceptions of the quality of local water supply. They find that U.S. consumers are more likely to report bottled water as their primary drinking water source when they perceive that drinking water is not safe. Furthermore, those who give lower ratings to the quality of their ground water are more likely to regularly purchase bottle water for drinking and use bottle water as their primary drinking water source.

Zhihua Hu; Lois Wright Morton; Robert L. Mahler

2011-01-01T23:59:59.000Z

120

Paraho environmental data. Part I. Process characterization. Par II. Air quality. Part III. Water quality  

SciTech Connect

From 1973 to 1978, Development Engineering, Inc. (DEI), a subsidiary of Paraho Development Corporation, demostrated the Paraho technology for surface oil shale retorting at Anvil Points, Colorado. A considerable amount of environmentally-related research was also conducted. This body of data represents the most comprehensive environmental data base relating to surface retorting that is currently available. In order to make this information available, the DOE Office of Environment has undertaken to compile, assemble, and publish this environmental data. The compilation has been prepared by DEI. This report includes the process characterization, air quality, and water quality categories.

Heistand, R.N.; Atwood, R.A.; Richardson, K.L.

1980-06-01T23:59:59.000Z

Note: This page contains sample records for the topic "water quality impacts" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


121

Optimal Operation of Large Agricultural Watersheds with Water Quality Restraints  

E-Print Network (OSTI)

Improved technology is needed for use in properly managing large agricultural watersheds. Proper watershed management means selecting land uses that are appropriate for each subarea, using erosion control measures where necessary, and applying fertilizers at rates that maximize agricultural production without polluting the environment. Watershed runoff and industrial and municipal effluents pollute streams and reservoirs. Point source pollution (industries and municipalities) can be monitored. Nonpoint-source pollution (watersheds) is widely dispersed and not easily measured. Mathematical models are needed to predict nonpoint-source pollution as affected by watershed characteristics, land use, conservation practices, chemical fertilizers, and climatic variables. Routing models are needed to determine the quality of water as it flows from nonpoint sources through streams and valleys to rivers and large reservoirs. Models are also needed to determine optimal strategies for planning land use, conservation practices, and fertilizer application to maximize agricultural production subject to water quality constraints. Three of the most important agricultural pollutants are suspended sediment, phosphorus, and nitrogen. Robinson [1971] pointed out that sediment is the greatest pollutant of water in terms of volume. Sediment also transports other pollutants, like phosphorus and nitrogen. These two elements are principally involved in lake eutrophication. Frequently algae blooms develop in nutrient-laden water and cause it to have an off-taste and an unpleasant odor. The odor of decaying plants becomes offensive; fish are killed because of reduced dissolved oxygen in the water, and recreation is deterred. The objective of this research was to develop models for use in managing large agricultural watersheds to obtain maximum agricultural production and to maintain water quality standards. The models were designed to: 1. Simulate daily runoff, and sediment, phosphorus, and nitrogen yields from small watersheds (areas land owners and operators) for planning land use, fertilizer application, and conservation practices on subwatersheds. 4. Determine the optimal strategy for each subwatershed to maximize agricultural production for the entire watershed subject to water quality constraints. Generally, water-quality models are developed by adding chemical modeling components to existing runoff and sediment models because runoff and sediment provide transportation for chemicals. Several conceptual models for predicting chemical yields from small watersheds have been presented [Crawford and Donigian, 1973; Donigian and Crawford, 1976; Frere, et al., 1975; Hagin and Amberger, 1974; Kling, 1974; Johnson and Straub, 1971]. However, these models are not applicable to large watersheds because they have no routing mechanism. For this reason, runoff, sediment, and nutrient models were refined and developed here for application to large watersheds. Probably, the most widely used and accepted model for predicting runoff volume is the Soil Conservation Service (SCS) curve number system [U.S. Soil Conservation Service, 1972]. The SCS model was modified by adding a soil-moisture-index accounting procedure [Williams and Laseur, 1976]. The modified water yield model is considerably more accurate than the original SCS model. On a watershed near Riesel, Texas, the modified model explained 95% of the variation in monthly runoff as compared with 65% for the original model. The water-yield model was refined here by replacing the climatic index (lake evaporation) with daily consumptive water use for individual crops.

Williams, J. R.; Hann, R. W.

1978-04-01T23:59:59.000Z

122

Understanding the role of trading in water quality management : based on U.S. experience  

E-Print Network (OSTI)

This research demonstrates an overview of the performance of water quality trading programs currently implemented within the U.S. The role of trading in water quality management is identified through systematical comparisons ...

Pharino, Chanathip

2006-01-01T23:59:59.000Z

123

Copyright Awwa Research Foundation 2006 Advanced Water Treatment Impacts onAdvanced Water Treatment Impacts on  

E-Print Network (OSTI)

, brackish groundwater, produced water, etc.produced water, etc. Advanced treatmentAdvanced treatment Water and variables affecting VFactors and variables affecting V (volume produced from alternative water supplies)(volume produced from alternative water supplies) ""Supply sideSupply side"" Volume availableVolume available from

Keller, Arturo A.

124

Health information technology and its impact on the quality and cost of healthcare delivery  

Science Conference Proceedings (OSTI)

The impact of health information technologies (HIT) on the quality of healthcare delivery is a topic of significant importance and recent research has yielded mixed evidence. We use archival data on HIT usage in combination with data on quality of care ... Keywords: Electronic medical record, Health information technology, Process quality

Indranil R. Bardhan, Mark F. Thouin

2013-05-01T23:59:59.000Z

125

Integrated modelling of risk and uncertainty underlying the cost and effectiveness of water quality measures  

Science Conference Proceedings (OSTI)

In this paper we present an overview of the most important sources of uncertainty when analysing the least cost way to improve water quality. The estimation of the cost-effectiveness of water quality measures is surrounded by environmental, economic ... Keywords: Cost-effectiveness, Integrated modelling, Risk, Uncertainty, Water quality

Roy Brouwer; Chris De Blois

2008-07-01T23:59:59.000Z

126

The Impact of Blowing Agents on Residential Water Heater Performance  

NLE Websites -- All DOE Office Websites (Extended Search)

The Impact of Blowing Agents on Residential Water Heater Performance The Impact of Blowing Agents on Residential Water Heater Performance Title The Impact of Blowing Agents on Residential Water Heater Performance Publication Type Report LBNL Report Number LBNL-47352 Year of Publication 2001 Authors Lekov, Alexander B., James D. Lutz, Camilla Dunham Whitehead, and James E. McMahon Document Number LBNL-47352 Date Published January 12 Abstract The National Appliance Energy Conservation Act of 1987 (NAECA) requires the U.S. Department of Energy (DOE) to consider amendments to the energy conservation standards to increase energy efficiency in residential water heaters. A driving force affecting efficiency is the ozone-depletion regulation regarding blowing agents for insulation in all water heater fuel types. This paper presents results of cost and efficiency impacts of three potential blowing agents. Residential water heaters are typically insulated with polyurethane foam in the space between the tank and the jacket. Currently, water heater manufacturers use HCFC-141b, an ozone-depleting substance, as a blowing agent. After 2003, as a result of the Montreal Protocol (1993), manufacturers must use blowing agents that do not deplete the ozone layer. The analysis presented in this paper considers three replacement candidates, HFC-245fa, HFC-134a, and cyclopentane by comparing their efficiency and cost effectiveness when applied to water heater insulation. This analysis used computer simulation models and other analytical methods to investigate the efficiency improvements due to different design options, when alternative blowing agents are applied. The calculations were based on the DOE test procedure for residential water heaters. The analysis used average manufacturer, retailer, and installer costs to calculate the total consumer costs. Consumer operating expenses were calculated based on modeled energy consumption under test procedure conditions and U.S. average energy prices. With this information, a cost-efficiency relationship was developed to show the average manufacturer and consumer cost to achieve increased efficiency.

127

Environmental impacts and sustainability of degraded water reuse  

Science Conference Proceedings (OSTI)

Greater urban demand for finite water resources to meet domestic, agricultural, industrial, and recreational needs; increased frequency of drought resulting from erratic weather; and continued degradation of available water resources from point and nonpoint sources of pollution have focused attention on the reuse of degraded waters as a potential water source. However, short- and long-term detrimental environmental impacts and sustainability of degraded water reuse are not well known or understood. These concerns led to the organization of the 2007 ASA-CSSA-SSSA Symposium entitled Environmental Impacts and Sustainability of Degraded Water Reuse. Out of this symposium came a special collection of 4 review papers and 12 technical research papers focusing on various issues associated with the reuse of agricultural drainage water, well water generated in the production of natural gas from coalbeds, municipal wastewater and biosolids, wastewater from confined animal operations, urban runoff, and food-processing wastewater. Overviews of the papers, gaps in knowledge, and future research directions are presented. The future prognosis of degraded water reuse is promising, provided close attention is paid to managing constituents that pose short- and long-term threats to the environment and the health of humankind.

Corwin, D.L.; Bradford, S.A. [USDA ARS, Riverside, CA (United States). US Salin Laboratory

2008-09-15T23:59:59.000Z

128

GRR/Section 14-CO-d - Section 401 Water Quality Certification | Open Energy  

Open Energy Info (EERE)

4-CO-d - Section 401 Water Quality Certification 4-CO-d - Section 401 Water Quality Certification < GRR Jump to: navigation, search GRR-logo.png GEOTHERMAL REGULATORY ROADMAP Roadmap Home Roadmap Help List of Sections Section 14-CO-d - Section 401 Water Quality Certification 14CODSection401WaterQualityCertification.pdf Click to View Fullscreen Contact Agencies Colorado Department of Public Health and Environment Regulations & Policies 5 CCR 1002-82 Colorado Water Quality Control Act Triggers None specified Click "Edit With Form" above to add content 14CODSection401WaterQualityCertification.pdf Error creating thumbnail: Page number not in range. Error creating thumbnail: Page number not in range. Error creating thumbnail: Page number not in range. Flowchart Narrative Section 401 of the Clean Water Act (CWA) requires a Water Quality

129

GRR/Section 14-TX-d - Section 401 Water Quality Certification | Open Energy  

Open Energy Info (EERE)

4-TX-d - Section 401 Water Quality Certification 4-TX-d - Section 401 Water Quality Certification < GRR Jump to: navigation, search GRR-logo.png GEOTHERMAL REGULATORY ROADMAP Roadmap Home Roadmap Help List of Sections Section 14-TX-d - Section 401 Water Quality Certification 14TXDSection401WaterQualityCertification (2).pdf Click to View Fullscreen Contact Agencies Railroad Commission of Texas Regulations & Policies 16 TAC 3.93 - RRC Water Quality Certification 16 TAC 3.30 - MOU between the RRC and the TCEQ Triggers None specified Click "Edit With Form" above to add content 14TXDSection401WaterQualityCertification (2).pdf Error creating thumbnail: Page number not in range. Error creating thumbnail: Page number not in range. Error creating thumbnail: Page number not in range. Flowchart Narrative Section 401 of the Clean Water Act (CWA) requires a Water Quality

130

Quality and Membrane Treatability of the Lake Houston Water Supply  

E-Print Network (OSTI)

Currently, sections of Harris and Montgomery counties located North and Northeast of Houston use groundwater almost exclusively. These areas have witnessed substantial population growth and associated increases in water demand. In 1999 approximately 60% of potable water in Houston and its adjoining communities was produced from surface water. The remaining approximately 40% was derived from groundwater. However, the "Subsidence District" which is the authority responsible for granting groundwater permits has mandated that groundwater use needs to be decreased to 20% within the next few years so as to limit subsidence. Pipelines are not available to distribute purified water from the existing surface water treatment plants located in the South and East of Houston to the Northern areas that actually require additional water. Because Lake Houston is located in the geographical area of interest and is a surface water source, the City of Houston is interested in developing it for its future water needs. Additionally, a favorable hydraulic gradient exists from the Lake to the proposed service areas in Harris and Montgomery counties. Federal regulations such as the Stage II of the Disinfectant/Disinfection By-Products Rule (1) and the Enhanced Surface Water Treatment Rule (2) are expected to be promulgated in the near future. These rules are anticipated to introduce more stringent maximum contaminant levels (MCLs) for total trihalomethanes (THMs) and haloacetic acids (HAAs), possibly introduce new MCLs for individual species of THMs and HAAs, reduce turbidity levels, and enhance inactivation/removal requirements for Cryptosporidium. (Cryptosporidium was the causative protozoan for the more than 400,000 cases of acute gastrointestinal disease in Milwaukee, WI in March 1993.) The treatment processes in the City of Houston's existing water purification plants are not expected to be sufficient in meeting these anticipated regulations. Therefore, both regulatory requirements and engineering considerations point towards Lake Houston as an attractive surface water source for the next water purification plant to supply potable water to the City and its adjoining communities. However, water quality in Lake Houston can be characterized as being poor with high concentrations of turbidity, color, total organic carbon (TOC), nutrients such as phosphorus and nitrogen, etc. (3). Pressure-driven membrane processes can be employed as effective barriers against a wide range of contaminants including particles, turbidity, protozoan cysts and oocysts, bacteria, viruses, color, organic carbon, disinfection by-product (DBP) precursors, and dissolved metals. Additionally, microfiltration (MF) and ultrafiltration (UF) pretreatment may be necessary to reduce fouling rates and increase chemical cleaning intervals during surface water nanofiltration (NF) (4). Therefore, an integrated membrane system employing MF or UF pretreatment to NF is expected to be an important treatment candidate for Lake Houston water. Nanofiltration (NF) membranes typically operate at pressures less than 100 psi and are capable of high rejections of natural organic matter (NOM) and precursors to disinfection by-products (DBP) including trihalomethanes (THMs) and haloacetic acids (HAAs) (5-8), many of which are suspected carcinogens, mutagens, or teratogens.

Chellam, Shankar; Sharma, Ramesh; Shetty, Grishma; Wei, Ying

2001-10-01T23:59:59.000Z

131

Water-related impacts of in-situ oil shale processing  

SciTech Connect

This study discusses the water-related impacts of an in-situ oil shale industry located in the Upper Colorado River Basin. It focuses on a 50,000 barrel per day industry based on the modified in-situ process and located in the Piceance Creek Basin, Colorado. It reviews the history of oil shale development in the United States and the reserves, geology, and characteristics of domestic oil shales. In-situ technologies that have been tested or are under active consideration for commercialization are reviewed, and their commercial potential is evaluated. The existing hydrology and water quality of the Upper Colorado River Basin is surveyed as is water use and the statuatory framework for water availability and water quality for in-situ oil shale development. The major environmental problem of in-situ processing, groundwater disruption from in-situ leachates and large-scale dewatering, is analyzed, pertinent experimental results are summarized and interpreted, and recommendations are made for additional research. Methods to control groundwater disruption are identified and discussed and preliminary cost projections are developed. Finally, the reuse, treatment and disposal of effluents produced by in-situ retorting - retort water, gas condensate, mine waters, and others - are discussed.

Fox, J.P.

1980-12-01T23:59:59.000Z

132

GRR/Section 14-AK-d - Section 401 Water Quality Certification | Open Energy  

Open Energy Info (EERE)

GRR/Section 14-AK-d - Section 401 Water Quality Certification GRR/Section 14-AK-d - Section 401 Water Quality Certification < GRR Jump to: navigation, search GRR-logo.png GEOTHERMAL REGULATORY ROADMAP Roadmap Home Roadmap Help List of Sections Section 14-AK-d - Section 401 Water Quality Certification 14AKDSection401WaterQualityCertification.pdf Click to View Fullscreen Contact Agencies Alaska Department of Environmental Conservation United States Environmental Protection Agency U S Army Corps of Engineers Regulations & Policies Alaska Water Quality Standards Alaska Statutes Alaska Administrative Code Triggers None specified Click "Edit With Form" above to add content 14AKDSection401WaterQualityCertification.pdf 14AKDSection401WaterQualityCertification.pdf Error creating thumbnail: Page number not in range. Error creating thumbnail: Page number not in range.

133

GRR/Section 14-CA-d - Section 401 Water Quality Certification | Open Energy  

Open Energy Info (EERE)

GRR/Section 14-CA-d - Section 401 Water Quality Certification GRR/Section 14-CA-d - Section 401 Water Quality Certification < GRR Jump to: navigation, search GRR-logo.png GEOTHERMAL REGULATORY ROADMAP Roadmap Home Roadmap Help List of Sections Section 14-CA-d - Section 401 Water Quality Certification 14CADSection401WaterQualityCertification (1).pdf Click to View Fullscreen Contact Agencies California State Water Resources Control Board Regulations & Policies Section 401 Clean Water Act (33 U.S.C. 1251 et seq.) Porter-Cologne Water Quality Control Act Code of Regulations Title 23, Section 3855 et. seq. Triggers None specified Click "Edit With Form" above to add content 14CADSection401WaterQualityCertification (1).pdf Error creating thumbnail: Page number not in range. Error creating thumbnail: Page number not in range.

134

Development of techniques for rapidly assessing the local air quality impacts of airports  

E-Print Network (OSTI)

The combustion of fossil fuels for aviation activity harms air quality and human health near airports through the production of PM2.5. Currently, dispersion models can assess these local-scale (distances ~10 km) impacts, ...

Lee, Gideon (Gideon Luther)

2012-01-01T23:59:59.000Z

135

The air quality impact of aviation in future-year emissions scenarios  

E-Print Network (OSTI)

The rapid growth of aviation is critical to the world and US economy, and it faces several important challenges among which lie the environmental impacts of aviation on noise, climate and air quality. The first objective ...

Ashok, Akshay

2011-01-01T23:59:59.000Z

136

The Impact of Beam Broadening on the Quality of Radar Polarimetric Data  

Science Conference Proceedings (OSTI)

The impact of beam broadening on the quality of radar polarimetric data in the presence of nonuniform beam filling (NBF) is examined both theoretically and experimentally. Cross-beam gradients of radar reflectivity Z, differential reflectivity Z...

Alexander V. Ryzhkov

2007-05-01T23:59:59.000Z

137

GRR/Section 14-OR-d - Section 401 Water Quality Certification | Open Energy  

Open Energy Info (EERE)

GRR/Section 14-OR-d - Section 401 Water Quality Certification GRR/Section 14-OR-d - Section 401 Water Quality Certification < GRR Jump to: navigation, search GRR-logo.png GEOTHERMAL REGULATORY ROADMAP Roadmap Home Roadmap Help List of Sections Section 14-OR-d - Section 401 Water Quality Certification 14ORDSection410WaterQualityCertification.pdf Click to View Fullscreen Contact Agencies Oregon Department of Environmental Quality U S Army Corps of Engineers Regulations & Policies OAR 340-048: Certification of Compliance with Water Quality Requirements Triggers None specified Click "Edit With Form" above to add content 14ORDSection410WaterQualityCertification.pdf Error creating thumbnail: Page number not in range. Error creating thumbnail: Page number not in range. Error creating thumbnail: Page number not in range.

138

GRR/Section 14-ID-d - Section 401 Water Quality Certification | Open Energy  

Open Energy Info (EERE)

GRR/Section 14-ID-d - Section 401 Water Quality Certification GRR/Section 14-ID-d - Section 401 Water Quality Certification < GRR Jump to: navigation, search GRR-logo.png GEOTHERMAL REGULATORY ROADMAP Roadmap Home Roadmap Help List of Sections Section 14-ID-d - Section 401 Water Quality Certification 14IDDSection401WaterQualityCertificationProcess.pdf Click to View Fullscreen Contact Agencies Idaho Department of Environmental Quality United States Environmental Protection Agency U S Army Corps of Engineers Regulations & Policies Idaho Environmental Protection and Health Act Idaho Administrative Procedure Act Triggers None specified Click "Edit With Form" above to add content 14IDDSection401WaterQualityCertificationProcess.pdf 14IDDSection401WaterQualityCertificationProcess.pdf Error creating thumbnail: Page number not in range.

139

Subsurface Drip Irrigation As a Methold to Beneficiallly Use Coalbed Methane Produced Water: Initial Impacts to Groundwater, Soil Water, and Surface Water  

Science Conference Proceedings (OSTI)

Coalbed methane (CBM) currently accounts for >8% of US natural gas production. Compared to traditional sources, CBM co-produces large volumes of water. Of particular interest is CBM development in the Powder River Basin of Wyoming and Montana, the 2nd largest CBM production field in the US, where CBM produced waters exhibit low to moderate TDS and relatively high sodium-adsorption ratio (SAR) that could potentially impact the surface environment. Subsurface drip irrigation (SDI) is an emerging technology for beneficial use of pre-treated CBM waters (injectate) which are emitted into the root zone of an agricultural field to aid in irrigation. The method is designed to minimize environmental impacts by storing potentially detrimental salts in the vadose zone. Research objectives include tracking the transport and fate of the water and salts from the injected CBM produced waters at an SDI site on an alluvial terrace, adjacent to the Powder River, Johnson County, Wyoming. This research utilizes soil science, geochemical, and geophysical methods. Initial results from pre-SDI data collection and the first 6-months of post-SDI operation will be presented. Substantial ranges in conductivity (2732-9830 {micro}S/cm) and dominant cation chemistry (Ca-SO{sub 4} to Na-SO{sub 4}) have been identified in pre-SDI analyses of groundwater samples from the site. Ratios of average composition of local ground water to injectate demonstrate that the injectate contains lower concentrations of most constituents except for Cr, Zn, and Tl (all below national water quality standards) but exhibits a higher SAR. Composition of soil water varies markedly with depth and between sites, suggesting large impacts from local controls, including ion exchange and equilibrium with gypsum and carbonates. Changes in chemical composition and specific conductivity along surface water transects adjacent to the site are minimal, suggesting that discharge to the Powder River from groundwater underlying the SDI fields is negligible. Findings from this project provide a critical understanding of water and salt dynamics associated with SDI systems using CBM produced water. The information obtained can be used to improve SDI and other CBM produced water use/disposal technologies in order to minimize adverse impacts.

Engle, M.A.: Bern, C: Healy, R: Sams, J: Zupancic, J.: Schroeder, K.

2009-10-18T23:59:59.000Z

140

Comprehensive Assessment of Water Quality Eutrophication in Scenic Water Bodies by the Combination of Fuzzy Cluster and Grey Cluster  

Science Conference Proceedings (OSTI)

Water quality eutrophication has become a worldwide environmental problem in recent years, and assessment and classification of scenic water bodies will help for prevention and remediation of water eutrophication. The study presents the application of ... Keywords: Comprehensive assessment, Scenic water bodies, Fuzzy Ccuster, Grey cluster

Qi Wang; Guangming Li; Jingcheng Xu

2008-12-01T23:59:59.000Z

Note: This page contains sample records for the topic "water quality impacts" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


141

Future trends in local air quality impacts of aviation  

E-Print Network (OSTI)

The International Civil Aviation Organization is considering the use of cost-benefit analyses to estimate interdependencies between the industry costs and the major environmental impacts in policy-making for aviation. To ...

Rojo, Julien Joseph

2007-01-01T23:59:59.000Z

142

The air quality and health impacts of aviation in Asia  

E-Print Network (OSTI)

Aviation in Asia is growing more rapidly than other regions around the world. Adverse health impacts of aviation are linked to an increase in the concentration of particulate matter smaller than 2.5 [mu]m in diameter ...

Lee, In Hwan, S.M. Massachusetts Institute of Technology

2012-01-01T23:59:59.000Z

143

Air quality impacts due to construction of LWR waste management facilities  

SciTech Connect

Air quality impacts of construction activities and induced housing growth as a result of construction activities were evaluated for four possible facilities in the LWR fuel cycle: a fuel reprocessing facility, fuel storage facility, fuel fabrication plant, and a nuclear power plant. Since the fuel reprocessing facility would require the largest labor force, the impacts of construction of that facility were evaluated in detail.

1977-06-01T23:59:59.000Z

144

GRR/Section 14-UT-e - Ground Water Quality Protection Permit | Open Energy  

Open Energy Info (EERE)

GRR/Section 14-UT-e - Ground Water Quality Protection Permit GRR/Section 14-UT-e - Ground Water Quality Protection Permit < GRR Jump to: navigation, search GRR-logo.png GEOTHERMAL REGULATORY ROADMAP Roadmap Home Roadmap Help List of Sections Section 14-UT-e - Ground Water Quality Protection Permit 14UTEGroundWaterQualityProtectionPermit.pdf Click to View Fullscreen Contact Agencies Utah Department of Environmental Quality Regulations & Policies UAC R317-6 Triggers None specified Click "Edit With Form" above to add content 14UTEGroundWaterQualityProtectionPermit.pdf Error creating thumbnail: Page number not in range. Error creating thumbnail: Page number not in range. Error creating thumbnail: Page number not in range. Flowchart Narrative The Utah Department of Environmental Quality (DEQ) regulates discharges

145

GRR/Section 14-MT-d - Section 401 Water Quality Certification | Open Energy  

Open Energy Info (EERE)

GRR/Section 14-MT-d - Section 401 Water Quality Certification GRR/Section 14-MT-d - Section 401 Water Quality Certification < GRR Jump to: navigation, search GRR-logo.png GEOTHERMAL REGULATORY ROADMAP Roadmap Home Roadmap Help List of Sections Section 14-MT-d - Section 401 Water Quality Certification 14MTD401WaterQualityCertification (2).pdf Click to View Fullscreen Contact Agencies Montana Department of Environmental Quality Regulations & Policies Federal Clean Water Act (33 USC § 1251 et seq.) Montana Codes Annotated 75-5-401 Aministrative Rules of Montana Chapter 30 Administrative Rules of Montana 17.30.101 through 109 Triggers None specified Click "Edit With Form" above to add content 14MTD401WaterQualityCertification (2).pdf Error creating thumbnail: Page number not in range. Error creating thumbnail: Page number not in range.

146

Updated projections of air quality impacts for electric cars  

DOE Green Energy (OSTI)

Future air pollution emissions and resulting air quality are projected for the five primary air pollutants: total suspended particulates (TSP), sulfur oxides (SO/sub x/), nitrogen oxides (NO/sub x), total hydrocarbons (THC), and carbon monoxide (CO). Separate projections are made for three future years - 1980, 1990, and 2000 - and for three assumed levels of electric car use - zero, 10%, and 100%. Emissions and air quality are analyzed for each of the 24 Air Quality Control Regions (AQCRs) having the largest populations in 1975. Emission projections are made using an improved version of the Regional Emissions Projection System which uses the 1975 National Emissions Data System, 1977 state OBERS growth projections, recent state implementation plans and new source performance standards, and electric utility fuel forecasts from the Recharge Capacity Projection System.

Collins, M.M.

1979-07-01T23:59:59.000Z

147

Impact of Air Quality Regulations on Distributed Generation  

Science Conference Proceedings (OSTI)

Relatively small projects for generating electrical power at or near the point of use--distributed generation (DG)--offer unique opportunities for enhancing the U.S. electric system. This report finds that current air quality regulatory practices are inappropriately inhibiting the development of DG through a failure to recognize the environmental benefits offered by DG or by imposing requirements designed for larger systems that are not appropriate to DG systems. The report recommends that air quality regulation be made more efficient and appropriate for DG by establishing national standards for DG equipment. This report also recommends that DG projects be evaluated on a''net'' emissions basis by being given credit for any emission sources that they displace. Air quality regulation should also recognize the benefits of combined heat and power (CHP).

Bluestein, J.; Horgan, S.; Eldridge, M. M.

2002-10-01T23:59:59.000Z

148

Okanogan Subbasin Water Quality and Quantity Report for Anadromous Fish in 2006.  

DOE Green Energy (OSTI)

Fish need water of sufficient quality and quantity in order to survive and reproduce. The list of primary water quality indicators appropriate for monitoring of anadromous fish, as identified by the Upper Columbia Monitoring Strategy, includes: discharge, temperature, dissolved oxygen, pH, turbidity, conductivity, nitrogen, phosphorus and ammonia. The Colville Tribes Fish and Wildlife Department began evaluating these water quality indicators in 2005 and this report represents data collected from October 1, 2005 through September 30, 2006. We collected empirical status and trend data from various sources to evaluate each water quality indicator along the main stem Okanogan and Similkameen Rivers along with several tributary streams. Each water quality indicator was evaluated based upon potential impacts to salmonid survival or productivity. Specific conductance levels and all nutrient indicators remained at levels acceptable for growth, survival, and reproduction of salmon and steelhead. These indicators were also considered of marginal value for monitoring environmental conditions related to salmonids within the Okanogan subbasin. However, discharge, temperature, turbidity, dissolved oxygen and pH in that order represent the water quality indicators that are most useful for monitoring watershed health and habitat changes and will help to evaluate threats or changes related to salmon and steelhead restoration and recovery. On the Okanogan River minimum flows have decreased over the last 12 years at a rate of -28.3CFS/year as measured near the town of Malott, WA. This trend is not beneficial for salmonid production and efforts to reverse this trend should be strongly encouraged. Turbidity levels in Bonaparte and Omak Creek were a concern because they had the highest monthly average readings. Major upland disturbance in the Bonaparte Creek watershed has occurred for decades and agricultural practices within the riparian areas along this creek have lead to major channel incision and bank instability. High sediment loads continue to threaten Omak and Bonaparte sub-watersheds. Major rehabilitation efforts are needed within these sub-watersheds to improve salmonid habitats. We found that for the past 12 years dissolved oxygen levels have been on a slightly downward trend during summer/fall Chinook egg incubation. Dissolved oxygen readings in early October, for summer/fall Chinook and from June through early July for summer steelhead can occasionally drop to the range from 8 to 10 mg/L and therefore warrant continued monitoring. Levels of pH represent an indicator that has little monitoring value throughout most of the subbasin. The Similkameen River drainage showed dramatic annual changes in the mean pH values and a declining trend for pH thus warranting continued monitoring. Average daily temperatures, in 2006, exceeded 25 C for eight days in July in the Okanogan River at Malott. Due to increased warm water temperatures, delays in migration have increased at a rate of 1.82 days per year over the last 10 years. Increases in water temperature can be linked to many anthropogenic activities. Increasing water temperatures within the Okanogan River watershed represent the single most limiting factor facing salmonids in main-stem habitats.

Colville Tribes, Department of Fish & Wildlife

2007-12-01T23:59:59.000Z

149

GRR/Section 14-NV-d - 401 Water Quality Certification | Open Energy  

Open Energy Info (EERE)

GRR/Section 14-NV-d - 401 Water Quality Certification GRR/Section 14-NV-d - 401 Water Quality Certification < GRR Jump to: navigation, search GRR-logo.png GEOTHERMAL REGULATORY ROADMAP Roadmap Home Roadmap Help List of Sections Section 14-NV-d - 401 Water Quality Certification 14NVDSection401WaterQualityCertification.pdf Click to View Fullscreen Contact Agencies Nevada Division of Environmental Protection Regulations & Policies Section 401 of the Clean Water Act (33 U.S.C. 1341) Triggers None specified Click "Edit With Form" above to add content 14NVDSection401WaterQualityCertification.pdf Error creating thumbnail: Page number not in range. Error creating thumbnail: Page number not in range. Error creating thumbnail: Page number not in range. Flowchart Narrative Section 401 of the Clean Water Act (33 U.S.C. 1341) requires activities in

150

GRR/Section 14-NV-d - Section 401 Water Quality Certification | Open Energy  

Open Energy Info (EERE)

GRR/Section 14-NV-d - Section 401 Water Quality Certification GRR/Section 14-NV-d - Section 401 Water Quality Certification < GRR Jump to: navigation, search GRR-logo.png GEOTHERMAL REGULATORY ROADMAP Roadmap Home Roadmap Help List of Sections Section 14-NV-d - Section 401 Water Quality Certification 14NVDSection401WaterQualityCertification.pdf Click to View Fullscreen Contact Agencies Nevada Division of Environmental Protection Regulations & Policies Section 401 of the Clean Water Act (33 U.S.C. 1341) Triggers None specified Click "Edit With Form" above to add content 14NVDSection401WaterQualityCertification.pdf Error creating thumbnail: Page number not in range. Error creating thumbnail: Page number not in range. Error creating thumbnail: Page number not in range. Flowchart Narrative Section 401 of the Clean Water Act (33 U.S.C. 1341) requires activities in

151

GRR/Section 14-HI-d - Section 401 Water Quality Certification | Open Energy  

Open Energy Info (EERE)

HI-d - Section 401 Water Quality Certification HI-d - Section 401 Water Quality Certification < GRR Jump to: navigation, search GRR-logo.png GEOTHERMAL REGULATORY ROADMAP Roadmap Home Roadmap Help List of Sections Section 14-HI-d - Section 401 Water Quality Certification 14HID - Section401WaterQualityCertification (1).pdf Click to View Fullscreen Contact Agencies Hawaii Department of Health Clean Water Branch United States Environmental Protection Agency Regulations & Policies Clean Water Act (33 U.S.C. 1251) Section 401 Hawaii Administrative Rules Title 11, Chapter 54 Triggers None specified Click "Edit With Form" above to add content 14HID - Section401WaterQualityCertification (1).pdf Error creating thumbnail: Page number not in range. Error creating thumbnail: Page number not in range. Error creating thumbnail: Page number not in range.

152

Measuring and moderating the water resource impact of biofuel production and trade  

E-Print Network (OSTI)

The  United  States'  Biofuel  Policies   and  Compliance  Water  Impacts  of  Biofuel  Extend  Beyond   Irrigation."  for  assessing  sustainable  biofuel  production."  

Fingerman, Kevin Robert

2012-01-01T23:59:59.000Z

153

Investigating the impact of a measurement program on software quality  

Science Conference Proceedings (OSTI)

Context: Measurement programs have been around for several decades but have been often misused or misunderstood by managers and developers. This misunderstanding prevented their adoption despite their many advantages. Objective: In this paper, we present ... Keywords: Empirical study, Measurement program, Software quality

Houari Sahraoui; Lionel C. Briand; Yann-Gaël Guéhéneuc; Olivier Beaurepaire

2010-09-01T23:59:59.000Z

154

Water Quality Changes Related to CUB Bulk Placement at the Rostraver...  

NLE Websites -- All DOE Office Websites (Extended Search)

Drive, Homestead, PA 15120-5005 KEYWORDS: Coal Utilization By-products, Scatterscores, water quality ABSTRACT A structural fill at the Rostraver Airport was constructed of Low...

155

Water Quality Hydrology of Lands Receiving Farm Animal Wastes  

E-Print Network (OSTI)

A significant pollution potential from cattle manure has developed as a result of the cattle feeding industry progressing to large, high density feeding operations. Two major potential sources of pollution from beef feedlots is storm runoff and solid waste (manure). The objectives of this research were to determine the characteristics of storm runoff from a beef feedlot, to determine the nitrogen transformations and ammonia volatilization from soils receiving large manure applications, to determine the chemical quality of surface runoff and groundwater from plots receiving large manure applications, to evaluate techniques of deep plowing large amounts of manure into the soil, and to determine the crop quality and yields on field plots receiving large manure application rates. Feedlot runoff was found to carry large amounts of chemical elements. The concentrations of chemical elements did not vary with size and intensity of rainstorm as much as by differences in topography of the watersheds. More ammonia was volatilized from limed soil columns than unlimed but an unexplained decrease in total nitrogen of 10 to 20 percent occurred in the unlimed and limed soil columns, respectively. A 30-in. moldboard plowing 30 to 36-in. deep can safely turn under up to 900 tons/acre of manure and not create a major surface water pollution problem. An increase of chemical elements in the groundwater occurred during the first year and then were reduced to initial values during the second year. No N03 pollution of groundwater occurred. Crops can be effectively grown on land receiving up to 900 tons/acre of manure. Peak yields will not be obtained the first year after plowing the 900 tons under, but yields will increase the second and third years.

Reddell, R. D.; Wise, G. G.; Peters, R. E.; Lyerly, P. J.

1973-06-01T23:59:59.000Z

156

Impact on Grain Quality Parameters when Nitrogen Is `Sensor Applied' by the `Hydro Precise System'  

E-Print Network (OSTI)

Yield and grain quality maps have been produced at full-scale field trials within a 10.5 ha field for four different nitrogen strategies. Grain samples have been collected directly from the grain flow of a combine harvester and analysed for quality in the laboratory and merged with the yield meter registrations. Within the field great variance was observed in yield and grain quality. This paper evaluates the impact on yield and grain quality -- protein when nitrogen is sensor applied by the Hydro-Precise N-Sensor system. The results are discussed in terms of a potential new precision nitrogen application strategy for Danish winter wheat

R.N. Jørgensen; R. N. Jørgensen

2001-01-01T23:59:59.000Z

157

GRR/Section 6-MT-f - Short-term Water Quality Standard for Turbidity (318  

Open Energy Info (EERE)

GRR/Section 6-MT-f - Short-term Water Quality Standard for Turbidity (318 GRR/Section 6-MT-f - Short-term Water Quality Standard for Turbidity (318 Authorization) < GRR Jump to: navigation, search GRR-logo.png GEOTHERMAL REGULATORY ROADMAP Roadmap Home Roadmap Help List of Sections Section 6-MT-f - Short-term Water Quality Standard for Turbidity (318 Authorization) 06MTFShortTermWaterQualityStandardForTurbidity318Authorization.pdf Click to View Fullscreen Contact Agencies Montana Department of Natural Resources & Conservation Montana Department of Environmental Quality Montana Fish, Wildlife & Parks Regulations & Policies MCA 75-5-318 Triggers None specified Click "Edit With Form" above to add content 06MTFShortTermWaterQualityStandardForTurbidity318Authorization.pdf Error creating thumbnail: Page number not in range.

158

Columbia River System Operation Review : Final Environmental Impact Statement, Appendix F: Irrigation, Municipal and Industrial/Water Supply.  

DOE Green Energy (OSTI)

Since the 1930`s, the Columbia River has been harnessed for the benefit of the Northwest and the nation. Federal agencies have built 30 major dams on the river and its tributaries. Dozens of non-Federal projects have been developed as well. The dams provide flood control, irrigation, navigation, hydro-electric power generation, recreation, fish and wildlife, and streamflows for wildlife, anadromous fish, resident fish, and water quality. This is Appendix F of the Environmental Impact Statement for the Columbia River System, focusing on irrigation issues and concerns arrising from the Irrigation and Mitigation of impacts (M&I) working Group of the SOR process. Major subheadings include the following: Scope and process of irrigation/M&I studies; Irrigation/M&I in the Columbia Basin Today including overview, irrigated acreage and water rights, Irrigation and M&I issues basin-wide and at specific locations; and the analysis of impacts and alternative for the Environmental Impact Statement.

Columbia River System Operations Review (U.S.); United States. Bonneville Power Administration; United States. Army. Corps of Engineers. North Pacific Division; United States. Bureau of Reclamation. Pacific Northwest Region.

1995-11-01T23:59:59.000Z

159

Evaluation of Fuel Quality Impacts on Heat Rate  

Science Conference Proceedings (OSTI)

The drive to leverage fuel switching to meet more stringent SO2 and NOX emissions requirements has led to both a reduction in power station efficiency and a poorer net plant heat rate (NPHR) in many cases. The root causes include higher fuel moisture content, lower fuel energy content, poorer combustion efficiency, increased station service, and decreased unit capability. This report demonstrates the sensitivity of the key metrics of power station efficiency and heat rate to coal quality parameters, vari...

2010-12-09T23:59:59.000Z

160

West Village Community: Quality Management Processes and Preliminary Heat Pump Water Heater Performance  

Science Conference Proceedings (OSTI)

West Village, a multi-use project underway at the University of California Davis, represents a ground-breaking sustainable community incorporating energy efficiency measures and on-site renewable generation to achieve community-level Zero Net Energy (ZNE) goals. The project when complete will provide housing for students, faculty, and staff with a vision to minimize the community's impact on energy use by reducing building energy use, providing on-site generation, and encouraging alternative forms of transportation. This focus of this research is on the 192 student apartments that were completed in 2011 under Phase I of the West Village multi-year project. The numerous aggressive energy efficiency measures implemented result in estimated source energy savings of 37% over the B10 Benchmark. There are two primary objectives of this research. The first is to evaluate performance and efficiency of the central heat pump water heaters as a strategy to provide efficient electric water heating for net-zero all-electric buildings and where natural gas is not available on site. In addition, effectiveness of the quality assurance and quality control processes implemented to ensure proper system commissioning and to meet program participation requirements is evaluated. Recommendations for improvements that could improve successful implementation for large-scale, high performance communities are identified.

Dakin, B.; Backman, C.; Hoeschele, M.; German, A.

2012-11-01T23:59:59.000Z

Note: This page contains sample records for the topic "water quality impacts" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


161

GRR/Section 14-WA-d - Section 401 Water Quality Certification | Open Energy  

Open Energy Info (EERE)

GRR/Section 14-WA-d - Section 401 Water Quality Certification GRR/Section 14-WA-d - Section 401 Water Quality Certification < GRR Jump to: navigation, search GRR-logo.png GEOTHERMAL REGULATORY ROADMAP Roadmap Home Roadmap Help List of Sections Section 14-WA-d - Section 401 Water Quality Certification 14-WA-d - 401 Water Quality Certification.pdf Click to View Fullscreen Contact Agencies U S Army Corps of Engineers Washington State Department of Ecology Regulations & Policies Revised Statute of Washington Chapter 90.48 Washington Administrative Code Chapter 173-201A Washington Administrative Code 173-225-030 Triggers None specified Developers requiring a Section 404 Dredge and Fill Permit from the U S Army Corps of Engineers (Corps) are required to obtain a Section 401 Water Quality Certification from the state of Washington. The Washington State

162

CONSTRUCTED WETLAND TREATMENT SYSTEMS FOR WATER QUALITY IMPROVEMENT  

SciTech Connect

The Savannah River National Laboratory implemented a constructed wetland treatment system (CWTS) in 2000 to treat industrial discharge and stormwater from the Laboratory area. The industrial discharge volume is 3,030 m{sup 3} per day with elevated toxicity and metals (copper, zinc and mercury). The CWTS was identified as the best treatment option based on performance, capital and continuing cost, and schedule. A key factor for this natural system approach was the long-term binding capacity of heavy metals (especially copper, lead, and zinc) in the organic matter and sediments. The design required that the wetland treat the average daily discharge volume and be able to handle 83,280 m{sup 3} of stormwater runoff in a 24 hour period. The design allowed all water flow within the system to be driven entirely by gravity. The CWTS for A-01 outfall is composed of eight one-acre wetland cells connected in pairs and planted with giant bulrush to provide continuous organic matter input to the system. The retention basin was designed to hold stormwater flow and to allow controlled discharge to the wetland. The system became operational in October of 2000 and is the first wetland treatment system permitted by South Carolina DHEC for removal of metals. Because of the exceptional performance of the A-01 CWTS, the same strategy was used to improve water quality of the H-02 outfall that receives discharge and stormwater from the Tritium Area of SRS. The primary contaminants in this outfall were also copper and zinc. The design for this second system required that the wetland treat the average discharge volume of 415 m{sup 3} per day, and be able to handle 9,690 m{sup 3} of stormwater runoff in a 24 hour period. This allowed the building of a system much smaller than the A-01 CWTS. The system became operational in July 2007. Metal removal has been excellent since water flow through the treatment systems began, and performance improved with the maturation of the vegetation during the first season of growth of each system. Sediment samples after the first and third years of operation indicated that copper was being bound in the sediments very rapidly after entering the treatment system. The design of the system encourages low redox and sulfide production in the sediments. The objective is to stabilize metals, including mercury, as sulfide compounds in the sediments. Costs for maintenance and operation of the systems are minimal, consisting primarily of ensuring that the pipes are not clogged and that water is flowing through the system. The treatment cost per thousand gallons is many times less than conventional wastewater treatment facilities. Life expectancy and function of the biological system is based on the life of the engineering aspects and not the wetland ecology.

Nelson, E.

2010-07-19T23:59:59.000Z

163

Assessing Power Quality Impacts and Solutions for the California Food Processing Industry  

Science Conference Proceedings (OSTI)

Modern food processing equipment can easily be impacted by very brief voltage reductions, commonly known as voltage sags, originating from utility distribution and transmission systems. Even minor voltage sags can lead to unscheduled process downtime, delayed client orders, loss of clients, and lost revenue. This project, sponsored by the California Energy Commission (CEC), analyzed the impact of power quality on the California food processing industry and made recommendations for short-term and long-ter...

2005-04-12T23:59:59.000Z

164

GRR/Section 14-ID-f - 401 NPDES Water Quality Certification | Open Energy  

Open Energy Info (EERE)

ID-f - 401 NPDES Water Quality Certification ID-f - 401 NPDES Water Quality Certification < GRR Jump to: navigation, search GRR-logo.png GEOTHERMAL REGULATORY ROADMAP Roadmap Home Roadmap Help List of Sections Section 14-ID-f - 401 NPDES Water Quality Certification 14IDFSection401NPDESWaterQualityCertification.pdf Click to View Fullscreen Contact Agencies Idaho Department of Environmental Quality United States Environmental Protection Agency U S Army Corps of Engineers Regulations & Policies Idaho Environmental Protection and Health Act Idaho Administrative Procedure Act Triggers None specified Click "Edit With Form" above to add content 14IDFSection401NPDESWaterQualityCertification.pdf Error creating thumbnail: Page number not in range. Error creating thumbnail: Page number not in range. Error creating thumbnail: Page number not in range.

165

Raft River monitor well potentiometric head responses and water quality as  

Open Energy Info (EERE)

monitor well potentiometric head responses and water quality as monitor well potentiometric head responses and water quality as related to the conceptual ground-water flow system Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Report: Raft River monitor well potentiometric head responses and water quality as related to the conceptual ground-water flow system Details Activities (1) Areas (1) Regions (0) Abstract: Ground-water monitoring near the Raft River site was initiated in 1974 by the IDWR. This effort consisted of semiannual chemical sampling of 22 irrigation wells near the Raft River geothermal development area. This program yielded useful baseline chemical data; however, several problems were inherent. For example, access to water pumped from the wells is limited to the irrigation season (April through September). All the wells

166

Environmental impact of small scale pellets boilers in the context of Belgian quality labeling  

E-Print Network (OSTI)

Environmental impact of small scale pellets boilers in the context of Belgian quality labeling of pellet boilers in standard laboratory and in field conditions. This part had three main targets were identified. Pollutants emissions and efficiency of a multi- fuel boiler was compared

Glineur, François

167

Remote sensing of the water quality of shallow lakes: A mixture modelling approach to quantifying phytoplankton in water characterized  

E-Print Network (OSTI)

Remote sensing of the water quality of shallow lakes: A mixture modelling approach to quantifying Research Institute of the Hungarian Academy of Sciences, Tihany, POB 35, H-8237, Hungary Remote sensing has significantly over recent years, the application of satellite remote sensing to lake water is constrained

Tyler, Andrew N.

168

A Microbial and Chemical Water Quality Study of Sixteen Individual Wells in Rural Southern Cochise County, Arizona .  

E-Print Network (OSTI)

??This paper is part of a larger water quality study for Arizona (Marrero-Ortiz et al., 2009) and looks more closely at 22 water samples from… (more)

Wright, Debra Lee

2010-01-01T23:59:59.000Z

169

Life-Cycle Water Impacts of U.S. Transportation Fuels  

E-Print Network (OSTI)

144 Figure 63: Impact of Hydroelectricity on the Life-Cycle157 Figure 64: Impact of Hydroelectricity on the Water68 Table 14: Hydroelectricity-Related FWSE (Data Source: (

Scown, Corinne Donahue

2010-01-01T23:59:59.000Z

170

Water quality in the vicinity of Fenton Hill, 1987 and 1988. [Fenton Hill site  

DOE Green Energy (OSTI)

Water-quality data have been collected since 1974 from established surface- and ground-water stations at, and in the vicinity of, Fenton Hill (site of the Laboratory's Hot Dry Rock Geothermal Project). The site is located on the southwest edge of the Valles Caldera in the Jemez Mountains. To determine the chemical quality of water, data were collected in 1987 and 1988 from 13 surface-water stations and 19 ground-water stations. The classification of the water quality is made on the basis of predominated ions and total dissolved solids. There are four classifications of surface water (sodium and chloride, calcium and bicarbonate, calcium and sulfate, and sodium and bicarbonate) and three classifications of ground water (sodium and chloride, calcium and bicarbonate, and sodium and bicarbonate). Variations in the chemical quality of the surface and ground water in 1987 and 1988 are apparent when data are compared with each other and with previous analyses. These variations are not considered significant, as they are in the range of normal seasonal changes. Cumulative production since 1976 from the supply well at Fenton Hill has been about 63 {times} 10{sup 6} gal, with a decline in the water level of the well of about 14 ft, or about 1.4 ft/yr. The aquifer penetrated by the well is still capable of reliable supply to the site for a number of years, based on past production. The quality of water from the well has deteriorated slightly; however, the water quality is in compliance with drinking water standards. The effects of discharge from the storage ponds into an adjacent canyon have been monitored by trace metal analyses of vegetation and soil. The study indicates minimal effects, which will be undetectable in a few years if there are no further releases of effluents into the canyon. 19 refs., 6 figs., 3 tabs.

Purtymun, W.D.; Ferenbaugh, R.W.; Maes, M.N.; Williams, M.C.

1991-03-01T23:59:59.000Z

171

Report of the Review of the Hanford Solid Waste Environmental Impact Statement regarding Data Quality Control and Management Issues  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Review of the Hanford Review of the Hanford Solid Waste Environmental Impact Statement (EIS) Data Quality, Control and Management Issues January 2006 Hanford Solid Waste Environment Impact Statement (EIS) Data Quality, Control and Management Issues Review Report ii Contents EXECUTIVE SUMMARY .................................................................................. IV 1.0 BACKGROUND ................................................................................................................ 1 2.0 REVIEW APPROACH....................................................................................................... 1 3.0 SUMMARY........................................................................................................................ 2 4.0 REVIEW RESULTS........................................................................................................... 4

172

South Asia Water Resources Workshop: An effort to promote water quality data sharing in South Asia  

SciTech Connect

To promote cooperation in South Asia on environmental research, an international working group comprised of participants from Bangladesh, India, Nepal, Pakistan, Sri Lanka, and the US convened at the Soaltee Hotel in Kathmandu, Nepal, September 12 to 14, 1999. The workshop was sponsored in part by the Cooperative Monitoring Center (CMC) at Sandia National Laboratories in Albuquerque, New Mexico, through funding provided by the Department of Energy (DOE) Office of Nonproliferation and National Security. The CMC promotes collaborations among scientists and researchers in regions throughout the world as a means of achieving common regional security objectives. In the long term, the workshop organizers and participants are interested in the significance of regional information sharing as a means to build confidence and reduce conflict. The intermediate interests of the group focus on activities that might eventually foster regional management of some aspects of water resources utilization. The immediate purpose of the workshop was to begin the implementation phase of a project to collect and share water quality information at a number of river and coastal estuary locations throughout the region. The workshop participants achieved four objectives: (1) gaining a better understanding of the partner organizations involved; (2) garnering the support of existing regional organizations promoting environmental cooperation in South Asia; (3) identifying sites within the region at which data is to be collected; and (4) instituting a data and information collection and sharing process.

RAJEN,GAURAV; BIRINGER,KENT L.; BETSILL,J. DAVID

2000-04-01T23:59:59.000Z

173

Microsoft Word - S05072_WaterQualityComplStrategy.doc  

Office of Legacy Management (LM)

Mill Tailings Site Operable Unit III Analysis of Uranium Trends in Ground Water, August 2007. Several possible causes were cited for the discrepancy between expected and...

174

Identification of tire leachate toxicants and a risk assessment of water quality effects using tire reefs in canals  

Science Conference Proceedings (OSTI)

Cover is important to aquatic habitat and fisheries often try to improve habitats by addition of natural and artificial material to improve cover diversity and complexity. Habitat-improvement programs range from submerging used Christmas trees to more complex programs. Used automobile tires have been employed in the large scale construction of reefs and fish attractors in marine environments and to a lesser extent in freshwater and have been recognized as a durable, inexpensive and long-lasting material benefiting fishery communities. Recent studies by the U.S. Bureau of Reclamation have quantified the importance of tire reefs to enhancing freshwater canal fisheries in the southwestern United States. These studies have demonstrated that fishes and aquatic macroinvertebrates are attracted to these structures, increasing species diversity, densities and biomass where reefs are placed in canals. However, the use of tire reefs in aquatic environments which have relatively small volumes compared to marine or reservoir environments has raised water quality concerns. Effects of tires on water quality have not typically been studied in the past because of the obvious presence of fishes and other aquatic organisms that make use of tire reefs; the implication being that tires are inert and non-toxic. Little information on effects of tires on water quality is in the literature. Stone demonstrated that tire exposure had no detrimental effects on two species of marine fish while results of Kellough's freshwater tests were inconclusive, but suggested that some factor in tire leachate was toxic to rainbow trout (Oncorhynchus mykiss). Nozaka et al. found no harmful substances leached from tire material soaked in fresh water. Because there are few data on toxicity associated with tires, this became the focus of our study. Toxicity Identification Evaluation (TIE) procedures developed by the EPA were used to evaluate water quality impacted by tires. 17 refs., 4 figs.

Nelson, S.M.; Mueller, G. (Bureau of Reclamation, Denver, CO (United States)); Hemphill, D.C. (Lower Colorado Regional Office, Boulder City, NV (United States))

1994-08-01T23:59:59.000Z

175

GRR/Section 6-MT-f - Short-term Water Quality Standard for Turbidity...  

Open Energy Info (EERE)

GRRSection 6-MT-f - Short-term Water Quality Standard for Turbidity (318 Authorization) < GRR Jump to: navigation, search GRR-logo.png GEOTHERMAL REGULATORY ROADMAP Roadmap Home...

176

GRR/Section 14-MT-d - 401 Water Quality Certification | Open...  

Open Energy Info (EERE)

Page Edit with form History Facebook icon Twitter icon GRRSection 14-MT-d - 401 Water Quality Certification < GRR Jump to: navigation, search GRR-logo.png GEOTHERMAL REGULATORY...

177

GRR/Section 14-ID-d - Section 401 Water Quality Certification...  

Open Energy Info (EERE)

GRRSection 14-ID-d - Section 401 Water Quality Certification Process < GRR Jump to: navigation, search GRR-logo.png GEOTHERMAL REGULATORY ROADMAP Roadmap Home Roadmap Help List of...

178

News and Update: Sensors Continually Monitor Water and Air Quality  

Science Conference Proceedings (OSTI)

An Initial Microstructural Analysis of A36 Steel from WTC Building 7 by J.R. Barnett, R.R. ... a system of sensors developed by the U.S. Department of Energy's Sandia ... The system is designed to continually monitor water or air, in- situ, so sample ... to develop a program to train water utilities to assess system vulnerabilities.

179

Ice, Snow and Water: impacts of climate change on California and Himalayan Asia  

E-Print Network (OSTI)

Sustainability BRIEFING NOTE  Ice, Snow  and Water: impacts light absorption of snow and ice as pollutants darken theAsian region of snow, ice, water, and mountains, with huge

Fenner, R. A.

2009-01-01T23:59:59.000Z

180

COST IMPACT OF SAFE DRINKING WATER ACT COMPLIANCE FOR COMMISSION-REGULATED WATER UTILITIES  

E-Print Network (OSTI)

(NRRI) with funding provided by participating member commissions of the National Association of Regulatory Utility Commissioners (NARUC). The views and opinions of the authors do not necessarily state or reflect the views, opinions, or policies of the NRRI, the NARUC, or NARUC member commissions. EXECUTIVE SUMMARY This study was prepared for state public utility commissioners and their staff in response to the growing concern about the effect of the Safe Drinking Water Act (SDWA) on water utilities under their jurisdiction. Compliance with the SDWA is expected to have a significant impact on water utilities and the rates they charge for service. A sensitivity analysis was developed for this report using a hypothetical water company to identify the costs associated with alternative treatment processes. A total of eighteen different treatment processes are considered, from conventional treatment to granular activated carbon (GAC) adsorption and reverse osmosis. Capital costs for these processes range from $100,000 to $3.25 million for a water plant with a designed capacity of one million

Patrick C. Mann; Janice A. Beecher

1989-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "water quality impacts" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


181

Use of Models to Reduce Uncertainty and Improve Ecological Effectiveness of Water Quality Trading Programs  

Science Conference Proceedings (OSTI)

Through a United States Department of Agriculture-Natural Resources Conservation Service (USDA-NRCS) Conservation Innovation Grant, collaborators working on the development of the interstate Ohio River Basin Water Quality Trading Program (www.epri.com/ohiorivertrading) have conducted a robust analysis to evaluate possible approaches for using water quality models for crediting nutrient load reductions from agricultural best management practices (BMPs). A credit estimation method that ensures reliable and...

2011-08-30T23:59:59.000Z

182

Aquatic macroinvertebrates and water quality of Sandia Canyon, Los Alamos National Laboratory, November 1993--October 1994  

SciTech Connect

The Ecological Studies Team (EST) of ESH-20 at Los Alamos National Laboratory (LANL) has collected samples from the stream within Sandia Canyon since the summer of 1990. These field studies gather water quality measurements and collect aquatic macroinvertebrates from permanent sampling sites. Reports by Bennett (1994) and Cross (1994) discuss previous EST aquatic studies in Sandia Canyon. This report updates and expands those findings. EST collected water quality data and aquatic macroinvertebrates at five permanent stations within the canyon from November 1993 through October 1994. The two upstream stations are located below outfalls that discharge industrial and sanitary waste effluent into the stream, thereby maintaining year-round flow. Some water quality parameters are different at the first three stations from those expected of natural streams in the area, indicating degraded water quality due to effluent discharges. The aquatic habitat at the upper stations has also been degraded by sedimentation and channelization. The macroinvertebrate communities at these stations are characterized by low diversities and unstable communities. In contrast, the two downstream stations appear to be in a zone of recovery, where water quality parameters more closely resemble those found in natural streams of the area. The two lower stations have increased macroinvertebrate diversity and stable communities, further indications of downstream water quality improvement.

Cross, S.

1995-08-01T23:59:59.000Z

183

Water quality in the vicinity of Fenton Hill. Progress report 1981 and 1982  

DOE Green Energy (OSTI)

As part of a continuing program of environmental studies, water quality data have been collected from established surface and ground water stations and from ponds and pond discharges at Fenton Hill Site located in the Jemez Mountains. Most of these stations were established in 1973, and water quality data have been collected since that time. There have been slight variations in the chemical quality of water from the surface and ground water locations; however, these variations are within normal seasonal fluctuations. The discharge from ponds at Fenton Hill infiltrates into canyon alluvium within 400 m of the site. Monitoring surface and spring discharge downgradient from the ponds failed to detect any effects resulting from water released from the ponds. Total dissolved solids and calcium have increased in water from well FH-1, which furnishes the water supply for the site. This increase is caused by the decreasing water level in the well resulting in yield from beds with a slightly different quality than has been found in previous years.

Purtymun, W.D.; Ferenbaugh, R.W.; Becker, N.M.; Adams, W.H.; Maes, M.N.

1983-09-01T23:59:59.000Z

184

5 Development of the Water Quality Index (WQI) to Assess  

E-Print Network (OSTI)

. For instance, sites designated by the IJC within Areas of Concern (AOC) (International Joint Commission 2003 though most of the Georgian Bay wetlands were very good quality, AOC sites (Collingwood (CO Georgian Bay wetlands in the good categories (solid bars), the index was able to identify the AOCs

McMaster University

185

Porter-Cologne Water Quality Control Act | Open Energy Information  

Open Energy Info (EERE)

Low Emission Development Strategies Oil & Gas Smart Grid Solar U.S. OpenLabs Utilities Water Wind Page Actions View form View source History View New Pages Recent Changes All...

186

Surface Water Quality Standards (New Jersey) | Open Energy Information  

Open Energy Info (EERE)

Low Emission Development Strategies Oil & Gas Smart Grid Solar U.S. OpenLabs Utilities Water Wind Page Actions View form View source History View New Pages Recent Changes All...

187

Chapter 10 Water Quality Standards (Kentucky) | Open Energy Informatio...  

Open Energy Info (EERE)

Low Emission Development Strategies Oil & Gas Smart Grid Solar U.S. OpenLabs Utilities Water Wind Page Actions View form View source History View New Pages Recent Changes All...

188

Potential air quality impact of geothermal power production in the Imperial Valley  

DOE Green Energy (OSTI)

A regional assessment of the potential impact on air quality of developing the Imperial Valley's geothermal resources for power production is presented. A network of six stations was installed to characterize the air quality and atmospheric transport properties of the valley before development. These measured the ambient air concentrations of H/sub 2/S, SO/sub 2/, O/sub 3/, NO, NO/sub x/, CO/sub 2/, Hg, Rn, and particulates. Wind velocity and the directional variability of the winds were also measured to determine atmospheric stability. The geothermal fluids were analyzed chemically to estimate potential emission rates of H/sub 2/S, NH/sub 3/, CO/sub 2/, CH/sub 4/, Hg, and Rn from future power plants. Using these data and advanced air quality modeling led to the prediction of the potential valley-wide impact of a 3000 MW development scenario. The impact analysis reveals that H/sub 2/S is the principal gaseous pollutant of concern due to its noxious odor and the potential release rate. The ambient H/sub 2/S concentrations that would result from generating 3000 MW without emission controls exceed the California air quality standard (30 ppb) at least 1% of the time for an area in the northern part of the valley that is roughly 1500 km/sup 2/ in size. This compares with current ambient air concentrations that exceed the standard much less than 0.1% of the time. The population center most impacted is Calipatria, where the standard could be exceeded almost 10% of the time. In addition, the odor of H/sub 2/S will be noticeable at least 1% of the time for most of the valley if the 3000 MW are placed on-line without abatement systems.

Gudiksen, P.H.; Ermak, D.L.; Lamson, K.C.; Axelrod, M.C.; Nyholm, R.A.

1979-10-01T23:59:59.000Z

189

Groundwater Quality Signatures for Assessing Potential Impacts from Coal Combustion Product Leachate  

Science Conference Proceedings (OSTI)

Boron and sulfate are recognized as potential indicators of the influence of leachate from coal-combustion products (CCPs) on groundwater quality. However, there are cases in which these two constituents do not provide sufficient data to characterize groundwater for potential impacts from CCPs. In these cases, the concentrations of other indicator constituents in solution and/or advanced analytical techniques may be used to support other information. A three-tiered analysis approach can provide a ...

2012-11-15T23:59:59.000Z

190

Fuzzy expert system for the detection of episodes of poor water quality through continuous measurement  

Science Conference Proceedings (OSTI)

In order to prevent and reduce water pollution, promote a sustainable use, protect the environment and enhance the status of aquatic ecosystems, this article deals with the application of advanced mathematical techniques designed to aid in the management ... Keywords: Automated measurement networks, Fuzzy inference system, Fuzzy logic, Guadiana river, Water quality system

Cecilio Angulo; Joan Cabestany; Pablo Rodríguez; Montserrat Batlle; Antonio González; Sergio de Campos

2012-01-01T23:59:59.000Z

191

Engineering quality control of solar-powered intelligent water-saving irrigation  

Science Conference Proceedings (OSTI)

The development tendency of the agricultural irrigation technology is Automatic water-saving irrigation, powered by solar energy and achieved control purposes by moisture content monitoring techniques and the variable irrigation technology. In this paper, ... Keywords: intelligent, quality control, solar power, water-saving irrigation

Liu Xiaochu; Wu Hualong; Ling Jingpeng; Tao Jianhua; Yao Li

2010-03-01T23:59:59.000Z

192

Private Water Well Testing in Areas Impacted by Marcellus Shale Gas Drilling  

E-Print Network (OSTI)

Private Water Well Testing in Areas Impacted by Marcellus Shale Gas Drilling (Updated November 15th in the absence of shale-gas drilling, well owners are strongly encouraged to evaluate their water on a regular testing in order to more specifically document potential impacts of Marcellus Shale gas development

Manning, Sturt

193

Scoping Document: Water Quality Control Policy on the  

E-Print Network (OSTI)

1 INTRODUCTION Background Annually, thermal electric power plants take in billions of gallons 8 One measure of the plant thermal efficiency used by the power industry is the Net Plant Heat Rate for Power Plant Cooling. March 2008 ii LIST OF PREPARERS The following staff of the State Water Resources

194

University of Rhode Island 2011 Water Quality Report  

E-Print Network (OSTI)

chlorination and adjust pH. The wells and associated pump stations pump treated water into the distribution or domestic wastewater discharges, oil and gas production, mining, or farming. PESTICIDES & HERBICIDES - which, and septic systems. RADIOACTIVE - which can be nat- urally occurring or the result of oil and gas production

Rhode Island, University of

195

CE479D WATER QUALITY LABORATORY SPRING 2009  

E-Print Network (OSTI)

for a number of specified parameters. The first eight laboratory exercises are designed to train students: The ANGEL course management system will be used to communicate with students, to post lecture material for the different water sources tested. A complete analysis of all the data is required to fully evaluate

Burgos, William

196

DOEs Response to Energy Water Availability & Quality Issues  

NLE Websites -- All DOE Office Websites (Extended Search)

Re-circ (Wet Tower) 1.2 1.1 Once- Through 46.2 0.1 Re-circ (Wet Tower) 1.5 1.5 Nuclear Fossil Consumption represents evaporation through heat loss Source: EPRI Water &...

197

Program on Technology Innovation: Ohio River Water Quality Trading Pilot Program  

Science Conference Proceedings (OSTI)

Nitrogen discharges to surface waters from power plants are increasing as technologies such as selective catalytic reduction units, electrostatic precipitators, and flue gas desulfurization systems are installed to comply with more stringent air emission requirements. The nitrogen generated by these processes is being transferred to surface water discharges. Concurrently, water quality impairments by nitrogen, new instream nutrient criteria, and anticipated effluent limitations on total nitrogen discharg...

2010-10-15T23:59:59.000Z

198

Impact of Atmospheric Forcing on Antarctic Continental Shelf Water Masses  

Science Conference Proceedings (OSTI)

The Antarctic continental shelf seas feature a bimodal distribution of water mass temperature, with the Amundsen and Bellingshausen Seas flooded by Circumpolar Deep Water that is several degrees Celsius warmer than the cold shelf waters prevalent ...

Alek A. Petty; Daniel L. Feltham; Paul R. Holland

2013-05-01T23:59:59.000Z

199

Comparison of Effect of Filter Demineralizer and Deep Bed Demineralizer Condensate Polishing on Water Quality  

Science Conference Proceedings (OSTI)

There have been several boiling water reactor (BWR) fuel cladding corrosion failures; in almost all cases, water chemistry was identified as a contributing factor. All corrosion-related fuel failures occurred exclusively at BWRs with condensate filter demineralizers for condensate polishing. This report investigates the way in which plant-specific condensate polishing system configuration and operating differences can affect feedwater and reactor water chemistry and impact the corrosion resistance ...

2012-10-04T23:59:59.000Z

200

Program on Technology Innovation: Water Quality Trading Program for Nitrogen  

Science Conference Proceedings (OSTI)

Anthropogenic releases of nitrogen have greatly increased environmental fluxes of biologically available nitrogen and contributed to serious ecological problems, such as algal blooms that cause waters to become severely depleted of oxygen. Power plant sources of nitrogen include NOx air emissions, the ammonia required for the Selective Catalytic Reduction (SCR) and Selective Non-Catalytic Reduction (SNCR) systems that are used for NOx reduction, and the ammonia used for SOx control and ash pond condition...

2007-05-15T23:59:59.000Z

Note: This page contains sample records for the topic "water quality impacts" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


201

Environmental impacts of increased hydroelectric development...  

NLE Websites -- All DOE Office Websites (Extended Search)

27 iii 3 . 2 . 7 Energy Security Benefits . . . . . . . 3 . 3 IMPACTS OF GENERATION USING FOSSIL FUELS . . . 3 . 3 . 1 Water Resources . . . . . . . . . . . . 3 . 3 . 2 Air Quality...

202

Impacts of Contaminan t Storage on Indoor Air Quality: Model Development  

NLE Websites -- All DOE Office Websites (Extended Search)

Impacts of Contaminan t Storage on Indoor Air Quality: Model Development Impacts of Contaminan t Storage on Indoor Air Quality: Model Development Title Impacts of Contaminan t Storage on Indoor Air Quality: Model Development Publication Type Journal Article LBNL Report Number LBNL-6114E Year of Publication 2013 Authors Sherman, Max H., and Erin L. Hult Journal Atmospheric Environment Volume 72 Start Page 41 Pagination 41-49 Date Published 01/2013 Keywords Buffering capacity, formaldehyde, moisture Abstract A first-order, lumped capacitance model is used to describe the buffering of airborne chemical species by building materials and furnishings in the indoor environment. The model is applied to describe the interaction between formaldehyde in building materials and the concentration of the species in the indoor air. Storage buffering can decrease the effect of ventilation on the indoor concentration, compared to the inverse dependence of indoor concentration on the air exchange rate that is consistent with a constant emission rate source. If the exposure time of an occupant is long relative to the time scale of depletion of the compound from the storage medium, however, the total exposure will depend inversely on the air exchange rate. This lumped capacitance model is also applied to moisture buffering in the indoor environment, which occurs over much shorter depletion timescales of the order of days. This model provides a framework to interpret the impact of storage buffering on time-varying concentrations of chemical species and resulting occupant exposure. Pseudo-steady state behavior is validated using field measurements. Model behavior over longer times is consistent with formaldehyde and moisture concentration measurements in previous studies.

203

Near-field effects of asteroid impacts in deep water  

Science Conference Proceedings (OSTI)

Our previous work has shown that ocean impacts of asteroids below 500 m in diameter do not produce devastating long-distance tsunamis. Nevertheless, a significant portion of the ocean lies close enough to land that near-field effects may prove to be the greatest danger from asteroid impacts in the ocean. Crown splashes and central jets that rise up many kilometres into the atmosphere can produce, upon their collapse, highly non-linear breaking waves that could devastate shorelines within a hundred kilometres of the impact site. We present illustrative calculations, in two and three dimensions, of such impacts for a range of asteroid sizes and impact angles. We find that, as for land impacts, the greatest dangers from oceanic impacts are the short-term near-field, and long-term atmospheric effects.

Gisler, Galen R [Los Alamos National Laboratory; Weaver, Robert P [Los Alamos National Laboratory; Gittings, Micheal L [Los Alamos National Laboratory

2009-01-01T23:59:59.000Z

204

The Impact of Climate Change on Air Quality–Related Meteorological Conditions in California. Part I: Present Time Simulation Analysis  

Science Conference Proceedings (OSTI)

This study investigates the impacts of climate change on meteorology and air quality conditions in California by dynamically downscaling Parallel Climate Model (PCM) data to high resolution (4 km) using the Weather Research and Forecast (WRF) ...

Zhan Zhao; Shu-Hua Chen; Michael J. Kleeman; Mary Tyree; Dan Cayan

2011-07-01T23:59:59.000Z

205

Preliminary assessment of the impact of commercial aircraft on local air quality in the U.S.  

E-Print Network (OSTI)

This thesis examines the impact of aircraft emissions on local air quality by performing two analyses: an assessment of U.S. commercial aircraft contribution to county budgets of primary pollutants in nonattainment areas, ...

Ratliff, Gayle L. (Gayle Lois)

2007-01-01T23:59:59.000Z

206

Potential impacts on air quality of the use of ethanol as an alternative fuel. Final report  

DOE Green Energy (OSTI)

The use of ethanol/gasoline mixtures in motor vehicles has been proposed as an alternative fuel strategy that might improve air quality while minimizing US dependence on foreign oil. New enzymatic production methodologies are being explored to develop ethanol as a viable, economic fuel. In an attempt to reduce urban carbon monoxide (CO) and ozone levels, a number of cities are currently mandating the use of ethanol/gasoline blends. However, it is not at all clear that these blended fuels will help to abate urban pollution. In fact, the use of these fuels may lead to increased levels of other air pollutants, specifically aldehydes and peroxyacyl nitrates. Although these pollutants are not currently regulated, their potential health and environmental impacts must be considered when assessing the impacts of alternative fuels on air quality. Indeed, formaldehyde has been identified as an important air pollutant that is currently being considered for control strategies by the State of California. This report focuses on measurements taken in Albuquerque, New Mexico during the summer of 1993 and the winter of 1994 as an initial attempt to evaluate the air quality effects of ethanol/gasoline mixtures. The results of this study have direct implications for the use of such fuel mixtures as a means to reduce CO emissions and ozone in a number of major cities and to bring these urban centers into compliance with the Clean Air Act.

Gaffney, J.S.; Marley, N.A. [Argonne National Lab., IL (United States)

1994-09-01T23:59:59.000Z

207

The Impact of Minimum Quality Standards on Firm Entry, Exit and Product Quality: The Case of the Child Care Market  

E-Print Network (OSTI)

A Theory of Minimum Standards,” Journal of Politi- calto Minimum Quality Standards Regulation,” NBER working paperDuopoly and Quality Standards,” European Economic Review,

Hotz, V. Joseph; Xiao, Mo

2005-01-01T23:59:59.000Z

208

Adaptation to water scarcity in glacier-dependent towns of the Indian Himalayas : impacts, adaptive responses, barriers, and solutions  

E-Print Network (OSTI)

Among the existing and projected impacts of climate change, impacts on water resources are expected to exacerbate the current and future threat of global water scarcity. Glacier-dependent societies are especially vulnerable ...

Sudhalkar, Amruta Anand

2010-01-01T23:59:59.000Z

209

Effects of the Water Quality Maintained by Ozonation Enhanced Ecosystem in the Landscape of Reclaimed Water  

Science Conference Proceedings (OSTI)

the landscape of reclaimed water always broke out water bloom because of containing high concentrations of nitrogen and phosphorus. The TP and TN of the landscape decreased to 0.04mg/L and 2.27mg/L respectively with recycling ozonation at the end of ... Keywords: ozonation, algae, nutrient removal, ecosystem, landscape of reclaimed water

Yu Demiao; Ma Jun; Bai Yu; Gan Yiping

2009-10-01T23:59:59.000Z

210

Indoor Air Quality Impacts of a Peak Load Shedding Strategy for a Large  

NLE Websites -- All DOE Office Websites (Extended Search)

Indoor Air Quality Impacts of a Peak Load Shedding Strategy for a Large Indoor Air Quality Impacts of a Peak Load Shedding Strategy for a Large Retail Building Title Indoor Air Quality Impacts of a Peak Load Shedding Strategy for a Large Retail Building Publication Type Report LBNL Report Number LBNL-59293 Year of Publication 2006 Authors Hotchi, Toshifumi, Alfred T. Hodgson, and William J. Fisk Keywords market sectors, technologies Abstract Mock Critical Peak Pricing (CPP) events were implemented in a Target retail store in the San Francisco Bay Area by shutting down some of the building's packaged rooftop air-handling units (RTUs). Measurements were made to determine how this load shedding strategy would affect the outdoor air ventilation rate and the concentrations of volatile organic compounds (VOCs) in the sales area. Ventilation rates prior to and during load shedding were measured by tracer gas decay on two days. Samples for individual VOCs, including formaldehyde and acetaldehyde, were collected from several RTUs in the morning prior to load shedding and in the late afternoon. Shutting down a portion (three of 11 and five of 12, or 27 and 42%) of the RTUs serving the sales area resulted in about a 30% reduction in ventilation, producing values of 0.50-0.65 air changes per hour. VOCs with the highest concentrations (>10 μg/m3) in the sales area included formaldehyde, 2-butoxyethanol, toluene and decamethylcyclopentasiloxane. Substantial differences in concentrations were observed among RTUs. Concentrations of most VOCs increased during a single mock CPP event, and the median increase was somewhat higher than the fractional decrease in the ventilation rate. There are few guidelines for evaluating indoor VOC concentrations. For formaldehyde, maximum concentrations measured in the store during the event were below guidelines intended to protect the general public from acute health risks.

211

Indoor Air Quality Impacts of a Peak Load Shedding Strategy for a Large  

NLE Websites -- All DOE Office Websites (Extended Search)

Indoor Air Quality Impacts of a Peak Load Shedding Strategy for a Large Indoor Air Quality Impacts of a Peak Load Shedding Strategy for a Large Retail Building Title Indoor Air Quality Impacts of a Peak Load Shedding Strategy for a Large Retail Building Publication Type Report Year of Publication 2006 Authors Hotchi, Toshifumi, Alfred T. Hodgson, and William J. Fisk Publisher Lawrence Berkeley National Laboratory Abstract Mock Critical Peak Pricing (CPP) events were implemented in a Target retail store in the San Francisco Bay Area by shutting down some of the building's packaged rooftop air-handling units (RTUs). Measurements were made to determine how this load shedding strategy would affect the outdoor air ventilation rate and the concentrations of volatile organic compounds (VOCs) in the sales area. Ventilation rates prior to and during load shedding were measured by tracer gas decay on two days. Samples for individual VOCs, including formaldehyde and acetaldehyde, were collected from several RTUs in the morning prior to load shedding and in the late afternoon. Shutting down a portion (three of 11 and five of 12, or 27 and 42%) of the RTUs serving the sales area resulted in about a 30% reduction in ventilation, producing values of 0.50-0.65 air changes per hour. VOCs with the highest concentrations (>10 μg/m3) in the sales area included formaldehyde, 2-butoxyethanol, toluene and decamethylcyclopentasiloxane. Substantial differences in concentrations were observed among RTUs. Concentrations of most VOCs increased during a single mock CPP event, and the median increase was somewhat higher than the fractional decrease in the ventilation rate. There are few guidelines for evaluating indoor VOC concentrations. For formaldehyde, maximum concentrations measured in the store during the event were below guidelines intended to protect the general public from acute health risks

212

Water quality in the vicinity of Fenton Hill: Progress report, 1983 and 1984  

DOE Green Energy (OSTI)

Water quality data have been collected since 1974 from established surface and groundwater stations at and in the vicinity of Fenton Hill (Hot Dry Rock Geothermal Demonstration Site) located in the Jemez Mountains. This is part of a continued program of environmental studies. There has been a slight variation in chemical quality of water from the surface and groundwater stations; however, these variations are within normal seasonal fluctuations. Water supply at the site is pumped from the aquifer in the Abiquiu Tuff. Cumulative production from 1976 through 1984 has been 41.5 x 10/sup 6/ gal. The water level in the supply well declined from 365 ft in 1976 to 379 ft in 1984.

Purtymun, W.D.; Ferenbaugh, R.W.; Becker, N.M.; Williams, M.C.; Maes, M.

1987-01-01T23:59:59.000Z

213

Guidance for Implementing U.S. Environmental Protection Agencys 2001 Methylmercury Water Quality Criterion  

Science Conference Proceedings (OSTI)

Adoption of the U.S. Environmental Protection Agency (EPA) Methylmercury Water Quality Criterion in 2001 raised many issues for permitting agencies and for individual discharges. Among the issues was how to translate from a tissue-based criterion to a water-column-based criteria for methylmercury. Adoption of a methylmercury standard requires translation to other forms of mercury if, for instance, permits continue to be written in terms of total recoverable mercury. This report covers a number of issues ...

2010-11-16T23:59:59.000Z

214

Soil and water quality implications of production of herbaceous and woody energy crops  

DOE Green Energy (OSTI)

Field-scale studies in three physiographic regions of the Tennessee Valley in the Southeastern US are being used to address the environmental effects of producing biomass energy crops on former agricultural lands. Comparison of erosion, surface water quality and quantity, and subsurface movement of water and nutrients from woody crops, switchgrass and agricultural crops began with crop establishment in 1994. Nutrient cycling, soil physical changes, and productivity of the different crops are also being monitored at the three sites.

Tolbert, V.R. [Oak Ridge National Lab., TN (United States); Lindberg, J.E. [Oak Ridge Inst. of Science and Education, TN (United States); Green, T.H. [Alabama A and M Univ., Normal, AL (United States). Dept. of Plant and Soil Science] [and others

1997-10-01T23:59:59.000Z

215

Recent Articles on Water-Related Impacts on Power Plant Siting...  

NLE Websites -- All DOE Office Websites (Extended Search)

Andrea McNemar National Energy Technology Laboratory A Water Constrained Future - How Power Producers Can Minimize the Impact in the West May 1 - 2, 2007 San Diego, CA Estimating...

216

Recent Articles on Water-Related Impacts on Power Plant Siting...  

NLE Websites -- All DOE Office Websites (Extended Search)

States in 1995, USGS Circular 1200, 1998 Recent Articles on Water-Related Impacts on Power Plant Siting and Operation May 2006 Issue of Power Magazine California's Efforts to End...

217

Life-Cycle Water Impacts of U.S. Transportation Fuels  

E-Print Network (OSTI)

In Water Use Impacts from Corn- Based Bio-Ethanol ProductionModified GREET Pathway for Corn Ethanol. California AirProduction System from Corn Grain, I. System Expansion.

Scown, Corinne Donahue

2010-01-01T23:59:59.000Z

218

Impact of drought on U.S. steam electric power plant cooling water intakes and related water resource management issues.  

DOE Green Energy (OSTI)

This report was funded by the U.S. Department of Energy's (DOE's) National Energy Technology Laboratory (NETL) Existing Plants Research Program, which has an energy-water research effort that focuses on water use at power plants. This study complements their overall research effort by evaluating water availability at power plants under drought conditions. While there are a number of competing demands on water uses, particularly during drought conditions, this report focuses solely on impacts to the U.S. steam electric power plant fleet. Included are both fossil-fuel and nuclear power plants. One plant examined also uses biomass as a fuel. The purpose of this project is to estimate the impact on generation capacity of a drop in water level at U.S. steam electric power plants due to climatic or other conditions. While, as indicated above, the temperature of the water can impact decisions to halt or curtail power plant operations, this report specifically examines impacts as a result of a drop in water levels below power plant submerged cooling water intakes. Impacts due to the combined effects of excessive temperatures of the returned cooling water and elevated temperatures of receiving waters (due to high ambient temperatures associated with drought) may be examined in a subsequent study. For this study, the sources of cooling water used by the U.S. steam electric power plant fleet were examined. This effort entailed development of a database of power plants and cooling water intake locations and depths for those plants that use surface water as a source of cooling water. Development of the database and its general characteristics are described in Chapter 2 of this report. Examination of the database gives an indication of how low water levels can drop before cooling water intakes cease to function. Water level drops are evaluated against a number of different power plant characteristics, such as the nature of the water source (river vs. lake or reservoir) and type of plant (nuclear vs. fossil fuel). This is accomplished in Chapter 3. In Chapter 4, the nature of any compacts or agreements that give priority to users (i.e., which users must stop withdrawing water first) is examined. This is examined on a regional or watershed basis, specifically for western water rights, and also as a function of federal and state water management programs. Chapter 5 presents the findings and conclusions of this study. In addition to the above, a related intent of this study is to conduct preliminary modeling of how lowered surface water levels could affect generating capacity and other factors at different regional power plants. If utility managers are forced to take some units out of service or reduce plant outputs, the fuel mix at the remaining plants and the resulting carbon dioxide emissions may change. Electricity costs and other factors may also be impacted. Argonne has conducted some modeling based on the information presented in the database described in Chapter 2 of this report. A separate report of the modeling effort has been prepared (Poch et al. 2009). In addition to the U.S. steam electric power plant fleet, this modeling also includes an evaluation of power production of hydroelectric facilities. The focus of this modeling is on those power plants located in the western United States.

Kimmell, T. A.; Veil, J. A.; Environmental Science Division

2009-04-03T23:59:59.000Z

219

Hydrologic and Water-Quality Conditions During Restoration of the Wood River Wetland,  

E-Print Network (OSTI)

.S. Geological Survey #12;Front Cover: Aerial view of the lower Wood River Valley showing the Wood River Wetland.S. Geological Survey, January 2003. #12;Hydrologic and Water-Quality Conditions During Restoration of the Wood­5004 U.S. Department of the Interior U.S. Geological Survey #12;U.S. Department of the Interior KEN

220

Water Quality: 2007 Data, BPA-51; Preliminary Report, January 26, 2009.  

DOE Green Energy (OSTI)

Print Out No.1 presents a listing of the initial data. The variables included were: SITE, REP, NH4, NO2{_}3, SRP, TDP, TN, TP, and JULIAN , representing site code, replication number, ammonia nitrogen, nitrate and nitrite nitrogen, soluble reactive phosphorus, total dissolved phosphorus, total nitrogen, total phosphorus, and Julian date, respectively. All values for nitrogen, phosphorus, and carbon variables are recorded as {micro}g/L. The 2007 water quality data received by SCS required considerable manipulation and data management prior to analysis. If it is anticipated that water quality data received by SCS in the future will be of the same format, the time to carry out the necessary reformatting of the data should be taken into consideration. The levels of SRP from water quality data of previous years were often below detection limits. The data from 2007 showed elevated levels for this and other responses. This pattern was seemingly unrelated to nutrient addition treatments, however, as they appeared consistently across the study area. The river fertilization program was begun in 2005. Because the procedures for detection of nutrients and metals are quite sensitive, SCS recommends that any future water quality samples taken on, or close to, the dates of fertilizer application be carried out with the utmost care to avoid contamination issues. Doing so will ensure consistency and reliability in the resulting data.

Holderman, Charles

2009-02-10T23:59:59.000Z

Note: This page contains sample records for the topic "water quality impacts" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


221

Water quality in the vicinity of Fenton Hill, 1985 and 1986: Progress report  

DOE Green Energy (OSTI)

Water quality data have been collected since 1974 from established surface and groundwater stations at and in the vicinity of Fenton Hill (Hot Dry Rock Geothermal Demonstration Site) located in the Jemez Mountains. This is part of a continuing program of environmental studies. Data on chemical quality of water were determined for samples collected from 13 surface water and 19 groundwater stations in 1985 and 1986. There were slight variations in the chemical quality of the ground and surface water in 1985 and 1986 as compared with previous analyses; however, these variations are within normal seasonal fluctuations. Chemical uptake in soil, roots, and foliage is monitored in the canyon, which receives intermittent effluent release of water from tests in the geothermal circulation loop and occasional fluids from drilling operations. The chemical concentrations found in soil, roots, and vegetation as the result of effluent release have shown a decrease in concentration down-canyon and also have decreased in concentration with time since the larger releases that took place in the late 1970s and early 1980s. 18 refs., 7 figs., 9 tabs.

Purtymun, W.D.; Ferenbaugh, R.W.; Williams, M.C.; Maes, M.N.

1988-03-01T23:59:59.000Z

222

The dubuque water portal: evaluation of the uptake, use and impact of residential water consumption feedback  

Science Conference Proceedings (OSTI)

The Dubuque Water Portal is a system aimed at supporting voluntary reductions of water consumption that is intended to be deployed city-wide. It provides each household with fine-grained, near real time feedback on their water consumption, as well as ... Keywords: behavior change, games, smart meters, social comparison, sustainability, water, water and energy feedback systems

Thomas Erickson; Mark Podlaseck; Sambit Sahu; Jing D. Dai; Tian Chao; Milind Naphade

2012-05-01T23:59:59.000Z

223

Drinking water quality standards and standard tests: Worldwide. (Latest citations from Food Science & Technology Abstracts (FSTA)). Published Search  

Science Conference Proceedings (OSTI)

The bibliography contains citations concerning the laws, regulations, standards, and testing methods for drinking water from domestic and international sources. Citations discuss quality standardization and control. Topics include safety codes for drinking water systems and installations, contaminated water and toxicity analyses, biological and chemical standards, diseases derived from drinking water, plastic materials for water packaging, and natural mineral drinking water. (Contains 50-250 citations and includes a subject term index and title list.) (Copyright NERAC, Inc. 1995)

NONE

1995-10-01T23:59:59.000Z

224

Energy Efficiency Design Options for Residential Water Heaters: Economic Impacts on Consumers  

SciTech Connect

The U.S. Department of Energy (DOE) recently completed a rulemaking process in which it amended the existing energy efficiency standards for residential water heaters. A key factor in DOE?s consideration of new standards is the economic impacts on consumers. Determining such impacts requires a comparison of the additional first cost of energy efficiency design options with the savings in operating costs. This paper describes the method used to conduct the life-cycle cost (LCC) and payback period analysis for gas and electric storage water heaters. It presents the estimated change in LCC associated with more energy-efficient equipment, including heat pump electric water heaters and condensing gas water heaters, for a representative sample of U.S. homes. The study included a detailed accounting of installation costs for the considered design options, with a focus on approaches for accommodating the larger dimensions of more efficient water heaters. For heat pump water heaters, the study also considered airflow requirements, venting issues, and the impact of these products on the indoor environment. The results indicate that efficiency improvement relative to the baseline design reduces the LCC in the majority of homes for both gas and electric storage water heaters, and heat pump electric water heaters and condensing gas water heaters provide a lower LCC for homes with large rated volume water heaters.

Lekov, Alex; Franco, Victor; Meyers, Steve; Thompson, Lisa; Letschert, Virginie

2010-11-24T23:59:59.000Z

225

Education Program for Improved Water Quality in Copano Bay Final Report  

E-Print Network (OSTI)

The Copano Bay watershed covers approximately 1.4 million acres encompassing portions of Karnes, Bee, Goliad, Refugio, San Patricio and Aransas counties. Copano Bay and its main tributaries, the Mission and Aransas rivers, were placed on the Texas Commission on Environmental Quality (TCEQ) 303(d) list in 1998 due to levels of bacteria that exceed water quality standards established to protect oyster waters use. A Total Maximum Daily Load (TMDL) program was initiated in September 2003 to identify and assess sources of these bacteria. The Center for Research in Water Resources at the University of Texas at Austin (UT CRWR) was funded by TCEQ to conduct computer-based modeling to determine the bacterial loading and reductions necessary to attain water quality standards. Subsequently Texas A&M University-Corpus Christi (TAMU-CC) conducted bacterial source tracking (BST) with funding from Texas General Land Office (TGLO) and the Coastal Bend Bays and Estuaries Program (CBBEP) to determine actual sources of bacteria. Due to the findings of the initial efforts of the TMDL and concerns voiced by stakeholders in the watershed, Texas AgriLife Extension Service was awarded a Clean Water Act § 319(h) Nonpoint Source Grant from the Texas State Soil and Water Conservation Board (TSSWCB) and the U.S. Environmental Protection Agency. The overall goal of this project was to improve water quality in Copano Bay and its tributaries by increasing awareness of water quality issues throughout the watershed. This increased awareness was to be accomplished by providing education and demonstrations for land and livestock owners in the watershed on best management practices (BMPs) to decrease or prevent bacteria from entering waterways. Through creation of a project website, 52 educational programs, and nine one-on-one consultations over the span of the project, we have reached 5,408 residents in and around the Copano Bay watershed. Additionally, through this project all data collected for the initial TMDL efforts was re-evaluated and findings were presented in the “Task 2 Report.” Project members developed a curriculum for horse owners, “A Guide to Good Horsekeeping” that addressed BMPs specific to horse operations. Land and livestock owners who had already implemented BMPs or were interested in implementing BMPs were given a participation certificate.

Berthold, A.; Moench, E.; Wagner, K.; Paschal, J.

2012-05-17T23:59:59.000Z

226

Water Quality Trends in the Entiat River Subbasin: Final 2008 Annual Report.  

DOE Green Energy (OSTI)

The ISEMP program monitors the status and trend of water quality elements that may affect restoration project effectiveness in the Entiat subbasin. As part of this effort, the PNW Research Station (PNW) measures, analyzes and interprets temporal trends in natural stream water pH, dissolved oxygen, specific conductivity and temperature. The Entiat River is currently on the Clean Water Act 303(d) list for pH exceedence, and there is insufficient information to determine the spatial and temporal extent or potential causes of this exceedence. In the spring 2008, PNW redeployed data-logging, multiparameter probes at four locations in the Entiat subbasin to measure water quality parameters, focusing on pH. This resumed previous data collection that was interrupted by river ice in early December 2007. Instruments were again removed from the river in early December 2008. This annual report covers the period from December 2007 through December 2008. The highest pH values occurred during the low-flow period from midsummer through the following midspring then dropped sharply during the annual snowmelt runoff period from late spring through early summer. Water temperature began rapidly increasing during the receding limb of the annual snowmelt hydrograph. Highest mean monthly temperatures occurred in July and August, while instantaneous maxima occurred during the period July-September. Dissolved oxygen reached its lowest levels during the period of highest water temperature in July-September. Specific conductivity remained very low at all sites throughout the year.

Woodsmith, Richard; Bookter, Andy [PNW Research Station, USDA Forest Service, Wenatchee, WA

2009-03-30T23:59:59.000Z

227

The impacts of aviation emissions on human health through changes in air quality and UV irradiance  

E-Print Network (OSTI)

World-wide demand for air transportation is rising steadily. The air transportation network may be limited by aviation's growing environmental impacts. These impacts take the form of climate impacts, noise impacts, and ...

Brunelle-Yeung, Elza

2009-01-01T23:59:59.000Z

228

The Impact of Melting Ice on Ocean Waters  

Science Conference Proceedings (OSTI)

Ice melts when it is in contact with ocean waters that have temperatures above the in situ freezing point. The product is a mixture of meltwater and seawater having properties intermediate between those of the two components. Density is one of ...

Adrian Jenkins

1999-09-01T23:59:59.000Z

229

Report: Climate change to have major impacts on Western water  

E-Print Network (OSTI)

production will use a projected 250 million gallons per day by 2030. "Development of oil shale resources wrote. "Oil shale extraction is a highly water-intensive process -- directly consuming up to four of the Yampa River's spring flows for oil shale development in northwestern Colorado. jsutor

Neff, Jason

230

Potential Impacts of Desalination Concentrate on Salinity of Irrigation Water: A Case Study in the El Paso Valley  

E-Print Network (OSTI)

Winter returnflow has not been fully utilized for crop irrigation in the El Paso Valley. There are, however, emerging interests in utilizing it for urban water supply through desalting. This study examined the potential impact of concentrate discharge on salinity, sodicity, and ionic composition of irrigation water supply, using historical or published records. The analyses performed consisted of the estimate of riverflow rates on river water quality, a review of concentrate and permeate quality from nanofiltration (NF) and reverse osmosis (RO), and the impacts of dilution or blending on water quality. Riverflow and quality data from the U.S. Section, International Boundary and Water Commission (US-IBWC) were examined first. This analysis has shown that salinity and ionic composition of riverflow can be described by a simple power function as related to the momentary riverflow rate when water samples were taken for chemical analyses. This method provides more accurate estimates of monthly salinity than the use of monthly average flow which has a high degree of variation. In addition, this approximation technique allows for the estimation of river salinity and ionic compositions at any riverflow rates of interest. A review of published articles on NF processes indicates that there are essentially two types of membranes: one has a low rejection rate for Na and Cl, and the other has a high rejection rate. If the objective is to minimize Na and Cl ions while maximizing Ca and Mg concentrations in the concentrate, the first type is preferred. However, the sodium adsorption ratio (SAR) of concentrate from the first type of NF membrane is also influenced by feed water quality. Typically, the SAR of the concentrate does not change appreciably in water that is rich in SO4, as the rejection rate of SO4 is high, and SO4 ions remain in the concentrate along with accompanying cations. The SAR of the concentrate is not necessarily lower than that of feed water, due to the salt concentration effect on SAR. The SAR value which directly impacts the cation exchange reaction in soils decreases with dilution, but increases due to the increased formation of sulfate-divalent cation ion-pairs. Sodicity of the concentrate from the second type is higher than the sodicity of feed water or that of the concentrate from the first type, and approaches the concentrate composition from a RO process. The most significant changes that take place in the concentrate composition from the first type are an increase in TDS and divalent cations and anions, whereas sodicity and chloride concentrations remain more or less the same as those of feed water. Permeate from the first type of NF membrane is likely to be higher in Na, Cl, and TDS than from the second type. These elevated salt levels limit the opportunity for blending with the river water, which has elevated salinity and SO4 concentrations, especially at a low riverflow of 5 Mm3/mo or less. Sodicity and the concentrations of Na and Cl in the permeate could also exceed the unofficial water quality guidelines for irrigating urban landscape. If the RO process or the second type of NF membrane is used, the permeate can be blended with river water at nearly a 1:1 ratio. This means that a lesser quantity of water needs to be treated when a RO process is used. If river water high in Na and Cl concentrations is used for blending, the salt load of the concentrate from the NF process can actually be greater than that from the RO process, because of the limited blending possibility. If the NF option is to be retained, a NF membrane with some rejection of Cl ions may be warranted, unless blending water low in Cl is available at or near the site. Assuming that flow and salinity monitoring data at the Courchesne Bridge are realistic, the disposal of NF concentrate from 5 and 10 MGD membrane processes at a riverflow rate of 5 Mm3/mo may increase salinity of riverwater by around 7 and 16%, respectively, over the existing salinity. This estimate is for a NF membrane with a low

Miyamoto, S.

2008-05-01T23:59:59.000Z

231

Barriers and Solutions for Farmer Participation in the Ohio River Basin Water Quality Trading Program  

Science Conference Proceedings (OSTI)

As part of a multiyear collaborative effort, American Farmland Trust (AFT) convened six listening sessions with approximately 150 agricultural producers (farmers) in the Ohio River Basin (ORB) to determine their readiness to sell nutrient credits in a regional water quality trading (WQT) market. In a WQT market, municipal wastewater treatment plants, industrial manufacturing plants, and electric power companies can purchase nutrient credits to meet their regulatory requirements. They pay farmers to imple...

2011-09-01T23:59:59.000Z

232

File:06MTFShortTermWaterQualityStandardForTurbidity318Authorization.pdf |  

Open Energy Info (EERE)

MTFShortTermWaterQualityStandardForTurbidity318Authorization.pdf MTFShortTermWaterQualityStandardForTurbidity318Authorization.pdf Jump to: navigation, search File File history File usage File:06MTFShortTermWaterQualityStandardForTurbidity318Authorization.pdf Size of this preview: 463 × 599 pixels. Other resolution: 464 × 600 pixels. Full resolution ‎(1,275 × 1,650 pixels, file size: 25 KB, MIME type: application/pdf) File history Click on a date/time to view the file as it appeared at that time. Date/Time Thumbnail Dimensions User Comment current 12:14, 1 October 2012 Thumbnail for version as of 12:14, 1 October 2012 1,275 × 1,650 (25 KB) Dklein2012 (Talk | contribs) You cannot overwrite this file. Edit this file using an external application (See the setup instructions for more information) File usage The following page links to this file:

233

File:Colorado Water Quality Control Act.pdf | Open Energy Information  

Open Energy Info (EERE)

Water Quality Control Act.pdf Water Quality Control Act.pdf Jump to: navigation, search File File history File usage Metadata File:Colorado Water Quality Control Act.pdf Size of this preview: 463 × 599 pixels. Other resolution: 464 × 600 pixels. Go to page 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 Go! next page → next page → Full resolution ‎(1,275 × 1,650 pixels, file size: 413 KB, MIME type: application/pdf, 69 pages) File history Click on a date/time to view the file as it appeared at that time. Date/Time Thumbnail Dimensions User Comment current 14:23, 14 March 2013 Thumbnail for version as of 14:23, 14 March 2013 1,275 × 1,650, 69 pages (413 KB) Alevine (Talk | contribs)

234

Quality control of chemical and isotopic analyses of geothermal water samples  

DOE Green Energy (OSTI)

Chemical and isotopic analyses of geothermal water samples must meet certain levels of accuracy and reliability to be useful for identifying geochemical processes in hydrothermal systems. Quality control is largely a concern for the analytical laboratory, but the geochemist or reservoir engineer using the chemical data must also be concerned with analytical quality. To test accuracy and reliability of analyses available from laboratories, splits of seven water samples were sent to four stable-isotope laboratories, and splits of five water samples were sent to four chemical laboratories. The analyses of each sample were compared among laboratories, and the differences in analyses were evaluated using criteria developed for this comparison. Isotopic compositions were considered reliable if they deviated from mean values by less than 2{per_thousand}, for hydrogen and by less than 0.15{per_thousand}, for oxygen. Concentrations of each chemical component were considered reliable if they differed from mean values by less than 10%. Chemical analyses were examined for internal consistency by calculating the error in ionic charge balance and the error between ionic charge and electrical conductivity. To be considered internally consistent, chemical analyses must have less than 5% error in charge balance and less than 10% error in conductivity balance. Three isotope laboratories gave consistent compositions of all samples. No chemical laboratory gave consistent analyses of all samples. Recommendations are made that provide the user of isotopic and chemical data with the ability to better evaluate the quality of analyses.

Reed, Marshall J.; Mariner, Robert H.

1991-01-01T23:59:59.000Z

235

Raft River monitor well potentiometric head responses and water quality as related to the conceptual ground-water flow system  

DOE Green Energy (OSTI)

Ground-water monitoring near the Raft River site was initiated in 1974 by the IDWR. This effort consisted of semiannual chemical sampling of 22 irrigation wells near the Raft River geothermal development area. This program yielded useful baseline chemical data; however, several problems were inherent. For example, access to water pumped from the wells is limited to the irrigation season (April through September). All the wells are not continuously pumped; thus, some wells that are sampled one season cannot be sampled the next. In addition, information on well construction, completion, and production is often unreliable or not available. These data are to be supplemented by establishing a series of monitor wells in the proposed geothermal withdrawal and injection area. These wells were to be located and designed to provide data necessary for evaluating and predicting the impact of geothermal development on the Shallow Aquifer system.

Allman, D.W.; Tullis, J.A.; Dolenc, M.R.; Thurow, T.L.; Skiba, P.A.

1982-09-01T23:59:59.000Z

236

Fragmentation of water by ion impact: Kinetic energy release spectra  

SciTech Connect

The fragmentation of isolated water molecules on collision with 450-keV Ar{sup 9+} has been studied using time-of-flight mass spectrometry employing multihit detection. The kinetic energy release spectrum for the dissociation of [H{sub 2}O]{sup 2+ White-Star} into (H{sup White-Star },H{sup +},O{sup +}) fragments has been measured where H{sup White-Star} is a neutral Rydberg hydrogen atom. Ab initio calculations are carried out for the lowest states of [H{sub 2}O]{sup q+} with q=2 and 3 to help interpret the kinetic energy release spectra.

Rajput, Jyoti; Safvan, C. P. [Department of Physics and Astrophysics, University of Delhi, Delhi 110007 (India); Inter-University Accelerator Centre, Aruna Asaf Ali Marg, New Delhi 110067 (India)

2011-11-15T23:59:59.000Z

237

Control strategies for mitigation of oil-shale-related-water quality concerns  

SciTech Connect

A comprehensive study of in situ retorting at the Logan Wash has indicated the importance of developing baseline information including raw shale characterization, the elucidation of mineralogical and chemical controls on trace element mobilities from shales subjected to in situ processing, and the research necessary to identify strategies for control of recognized environmental impacts. It is impossible to assess the magnitude of trace element releases to be expected from a commercial in situ facility once banks of retorts or the entire facility is abandoned and dewatering of the area is concluded. However, laboratory-scale studies can indeed identify the relative environmental acceptability of spent shale materials generated by in situ processing. In this research, an attempt was made to relate mineralogy and leaching behavior of field-generated materials with leachate composition and solution chemical processes. The interaction of these factors will ultimately affect the impact of in situ processing on surface and groundwater quality.

Peterson, E.J.; Wagner, P.

1981-01-01T23:59:59.000Z

238

Silvicultural Activities in Relation to Water Quality in Texas: An Assesment of Potential Problems and Solutions  

E-Print Network (OSTI)

Southern forests are expected to supply a large portion of the Nation's future timber requirement. Projected demands on southern forests continue to exceed allowable cut. As an outgrowth of this demand, intensive management of pine forests enabled the South to produce 45 percent of the Nation's timber harvest in 1970 (USDA, Forest Service, 1973). The Southern Forest Resource Analysis Committee (1969) stated that, if projected timber needs of the year 2000 are to be met, at least ten million acres of bare or poorly stocked land must be planted with pine by 1985 and another twenty million acres converted from low-grade hardwoods to pine. The challenge facing forestry in the South is how to meet this increased demand and maintain an acceptable forest environment in the face of increased taxes, rising labor and equipment costs and predicted petroleum shortages. Undisturbed forests are generally recognized as primary sources of high quality water. Although the Federal Water Pollution Control Act Amendments of 1972 (Public Law No. 92-500) make pollution from forest practices increasingly more important, the effects of these practices on water quality are not known for East Texas. The quality of streamflow from forested watersheds fluctuates constantly in response to natural stress, and can be influenced greatly by man's activities. Forest management practices can potentially influence the following water quality parameters: (1) sediment, (2) nutrients, (3) temperature, (4) dissolved oxygen/organic matter, and (5) introduced chemicals. It must be realized from the onset that sediment due to geologic erosion is a natural component of fresh water streams and that high concentrations may have occurred naturally for short periods due to perturbations in the ecosystem such as wildfires. Sediment is not necessarily a pollutant and only becomes one when it can be demonstrated that it is exceeding natural levels and is interfering with the beneficial use of water. A certain amount of sediment and nutrients are needed in Gulf Bays and Estuaries to maintain their productivity (Mathewson and Minter, 1976; Diener, 1964; Ketchum, 1967). Texas does not have a stream water quality standard for sediment and due to the complexities involved will probably not develop one. Thus, sediment as used in this report, becomes important: (1) as a carrier of plant nutrients and forest chemicals, and (2) in that practices which reduce sediment loss will usually reduce nutrient, organic matter and introduced chemical losses and prevent water temperature increases, as well. This report is the result of an interagency contract between Texas Department of Water Resources, Texas Agricultural Experiment Station and Texas Water Resources Institute to: (1) develop an overview of commercial forests and forestry operations in Texas, (2) identify, describe and characterize control strategies for nonpoint sources of pollution from silvicultural activities, and (3) develop and demonstrate a methodology for selecting control strategies in given problem situations. The following topics are covered: (1) an overview of forestry in East Texas, (2) silvicultural practices and nonpoint sources of pollution, (3) control strategies, (4) methodology for the selection of control strategies, (5) institutional aspects of controlling silvicultural nonpoint source pollution, (6) ongoing research and research needs, and (7) hydrology of East Texas. It is important to recognize that this report does not specify that nonpoint pollution from forestlands in East Texas is a problem. Likewise, the report does not set pollution control goals or criteria that should be met by a control plan, since this is the responsibility of the State. In areas where a potential nonpoint pollution problem exists; the suggested control strategies should be useful in selecting control measures that are appropriate to the special conditions imposed by differences in climate, soil, topography, and forest practice.

Blackburn, W. H.; Hickman, C. A.; deSteiguer, J. E.; Jackson, B. D.; Blume, T. A.; DeHaven, M. G.

1978-02-01T23:59:59.000Z

239

Rethinking the Offer: The Impact on Nuclear Non-Proliferation of Providing North Korea or Iran with Light Water Reactors.  

E-Print Network (OSTI)

??This paper examines the impact on nuclear non-proliferation efforts of providing the DPRK and Iran with light water reactors (LWRs). I argue that LWRs in… (more)

Lee, Eun Joo

2009-01-01T23:59:59.000Z

240

Enhancement Strategies for Mitigating Potential Operational Impacts of Cooling Water Intake Structures: Approaches for Enhancing Env ironmental Resources  

Science Conference Proceedings (OSTI)

This report describes environmental enhancement or restoration approaches that may be applicable for mitigating impingement and entrainment impacts associated with cooling water intake structures (CWISs).

2003-06-16T23:59:59.000Z

Note: This page contains sample records for the topic "water quality impacts" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


241

Impacts of operation of CVP regulating reservoirs on water temperature  

DOE Green Energy (OSTI)

The Western Area Power Administration (Western) markets and transmits electric power throughout 15 western states. Western's Sierra Nevada Customer Service Region (Sierra Nevada Region) markets approximately 1,480 megawatts (MW) of firm power (and 100 MW of seasonal peaking capacity) from the Central Valley Project (CVP) and other sources and markets available nonfirm power from the Washoe Project. Western's mission is to sell and deliver electricity generated from CVP powerplants. The hydroelectric facilities of the CVP are operated by the Bureau of Reclamation (Reclamation). Reclamation manages and releases water in accordance with the various acts authorizing specific projects and with enabling legislation. Western's capacity and energy sales must be in conformance with the laws that govern its sale of electrical power. Further, Western's hydropower operations at each facility must comply with minimum and maximum flows and other constraints set by Reclamation, the U.S. Fish and Wildlife Service, or other agencies, acting in accord with law or policy.

Vail, L.W.

1996-06-01T23:59:59.000Z

242

Evaluation of Phytoremediation of Coal Bed Methane Product Water and Waters of Quality Similar to that Associated with Coal Bed Methane Reserves of the Powder River Basin, Montana and Wyoming  

SciTech Connect

U.S. emphasis on domestic energy independence, along with advances in knowledge of vast biogenically sourced coalbed methane reserves at relatively shallow sub-surface depths with the Powder River Basin, has resulted in rapid expansion of the coalbed methane industry in Wyoming and Montana. Techniques have recently been developed which constitute relatively efficient drilling and methane gas recovery and extraction techniques. However, this relatively efficient recovery requires aggressive reduction of hydrostatic pressure within water-saturated coal formations where the methane is trapped. Water removed from the coal formation during pumping is typically moderately saline and sodium-bicarbonate rich, and managed as an industrial waste product. Current approaches to coalbed methane product water management include: surface spreading on rangeland landscapes, managed irrigation of agricultural crop lands, direct discharge to ephermeral channels, permitted discharge of treated and untreated water to perennial streams, evaporation, subsurface injection at either shallow or deep depths. A Department of Energy-National Energy Technology Laboratory funded research award involved the investigation and assessment of: (1) phytoremediation as a water management technique for waste water produced in association with coalbed methane gas extraction; (2) feasibility of commercial-scale, low-impact industrial water treatment technologies for the reduction of salinity and sodicity in coalbed methane gas extraction by-product water; and (3) interactions of coalbed methane extraction by-product water with landscapes, vegetation, and water resources of the Powder River Basin. Prospective, greenhouse studies of salt tolerance and water use potential of indigenous, riparian vegetation species in saline-sodic environments confirmed the hypothesis that species such as Prairie cordgrass, Baltic rush, American bulrush, and Nuttall's alkaligrass will thrive in saline-sodic environments when water supplies sourced from coalbed methane extraction are plentiful. Constructed wetlands, planted to native, salt tolerant species demonstrated potential to utilize substantial volumes of coalbed methane product water, although plant community transitions to mono-culture and limited diversity communities is a likely consequence over time. Additionally, selected, cultured forage quality barley varieties and native plant species such as Quail bush, 4-wing saltbush, and seaside barley are capable of sustainable, high quality livestock forage production, when irrigated with coalbed methane product water sourced from the Powder River Basin. A consequence of long-term plant water use which was enumerated is elevated salinity and sodicity concentrations within soil and shallow alluvial groundwater into which coalbed methane product water might drain. The most significant conclusion of these investigations was the understanding that phytoremediation is not a viable, effective technique for management of coalbed methane product water under the present circumstances of produced water within the Powder River Basin. Phytoremediation is likely an effective approach to sodium and salt removal from salt-impaired sites after product water discharges are discontinued and site reclamation is desired. Coalbed methane product water of the Powder River Basin is most frequently impaired with respect to beneficial use quality by elevated sodicity, a water quality constituent which can cause swelling, slaking, and dispersion of smectite-dominated clay soils, such as commonly occurring within the Powder River Basin. To address this issue, a commercial-scale fluid-bed, cationic resin exchange treatment process and prototype operating treatment plant was developed and beta-tested by Drake Water Technologies under subcontract to this award. Drake Water Technologies secured U.S. Patent No. 7,368,059-B2, 'Method for removal of benevolent cations from contaminated water', a beta Drake Process Unit (DPU) was developed and deployed for operation in the Powder River Basin. First year operatio

James Bauder

2008-09-30T23:59:59.000Z

243

Aquatic macroinvertebrates and water quality of Sandia Canyon, Los Alamos National Laboratory, 1995  

Science Conference Proceedings (OSTI)

The Biology Team of ESH-20 (the Ecology Group) at Los Alamos National Laboratory (LANL) has collected samples from the stream within Sandia Canyon since the summer of 1990. These field studies measure water quality parameters and collect aquatic macroinvertebrates from sampling sites within the upper canyon stream. Reports by Bennett and Cross discuss previous aquatic studies in Sandia Canyon. This report updates and expands the previous findings. The Biology Team collected water quality data and aquatic macroinvertebrates monthly at three sampling stations within Sandia Canyon in 1995. The two upstream stations occur near a cattail (Typha latifolia) dominated marsh downstream from outfalls that discharge industrial and sanitary waste effluent into the stream, thereby maintaining year-round flow. The third station is approximately 1.5 miles downstream from the outfalls within a mixed conifer forest. All water chemistry parameters measured in Sandia Canyon during 1995 fell within acceptable State limits and scored in the {open_quotes}good{close_quotes} or {open_quotes}excellent{close_quotes} ranges when compared to an Environmental Quality Index. However, aquatic macroinvertebrates habitats have been degraded by widespread erosion, channelization, loss of wetlands due to deposition and stream lowering, scour, limited acceptable substrates, LANL releases and spills, and other stressors. Macroinvertebrate communities at all the stations had low diversities, low densities, and erratic numbers of individuals. These results indicate that although the stream possesses acceptable water chemistry, it has reduced biotic potential. The best developed aquatic community occurs at the sampling station with the best habitat and whose downstream location partially mitigates the effects of upstream impairments.

Cross, S.; Nottelman, H.

1997-01-01T23:59:59.000Z

244

Use of Treated Municipal Wastewater as Power Plant Cooling System Makeup Water: Tertiary Treatment versus Expanded Chemical Regimen for Recirculating Water Quality Management  

SciTech Connect

Treated municipal wastewater is a common, widely available alternative source of cooling water for thermoelectric power plants across the U.S. However, the biodegradable organic matter, ammonia-nitrogen, carbonate and phosphates in the treated wastewater pose challenges with respect to enhanced biofouling, corrosion, and scaling, respectively. The overall objective of this study was to evaluate the benefits and life cycle costs of implementing tertiary treatment of secondary treated municipal wastewater prior to use in recirculating cooling systems. The study comprised bench- and pilot-scale experimental studies with three different tertiary treated municipal wastewaters, and life cycle costing and environmental analyses of various tertiary treatment schemes. Sustainability factors and metrics for reuse of treated wastewater in power plant cooling systems were also evaluated. The three tertiary treated wastewaters studied were: secondary treated municipal wastewater subjected to acid addition for pH control (MWW_pH); secondary treated municipal wastewater subjected to nitrification and sand filtration (MWW_NF); and secondary treated municipal wastewater subjected nitrification, sand filtration, and GAC adsorption (MWW_NFG). Tertiary treatment was determined to be essential to achieve appropriate corrosion, scaling, and biofouling control for use of secondary treated municipal wastewater in power plant cooling systems. The ability to control scaling, in particular, was found to be significantly enhanced with tertiary treated wastewater compared to secondary treated wastewater. MWW_pH treated water (adjustment to pH 7.8) was effective in reducing scale formation, but increased corrosion and the amount of biocide required to achieve appropriate biofouling control. Corrosion could be adequately controlled with tolytriazole addition (4-5 ppm TTA), however, which was the case for all of the tertiary treated waters. For MWW_NF treated water, the removal of ammonia by nitrification helped to reduce the corrosivity and biocide demand. Also, the lower pH and alkalinity resulting from nitrification reduced the scaling to an acceptable level, without the addition of anti-scalant chemicals. Additional GAC adsorption treatment, MWW_NFG, yielded no net benefit. Removal of organic matter resulted in pitting corrosion in copper and cupronickel alloys. Negligible improvement was observed in scaling control and biofouling control. For all of the tertiary treatments, biofouling control was achievable, and most effectively with pre-formed monochloramine (2-3 ppm) in comparison with NaOCl and ClO2. Life cycle cost (LCC) analyses were performed for the tertiary treatment systems studied experimentally and for several other treatment options. A public domain conceptual costing tool (LC3 model) was developed for this purpose. MWW_SF (lime softening and sand filtration) and MWW_NF were the most cost-effective treatment options among the tertiary treatment alternatives considered because of the higher effluent quality with moderate infrastructure costs and the relatively low doses of conditioning chemicals required. Life cycle inventory (LCI) analysis along with integration of external costs of emissions with direct costs was performed to evaluate relative emissions to the environment and external costs associated with construction and operation of tertiary treatment alternatives. Integrated LCI and LCC analysis indicated that three-tiered treatment alternatives such as MWW_NSF and MWW_NFG, with regular chemical addition for treatment and conditioning and/or regeneration, tend to increase the impact costs and in turn the overall costs of tertiary treatment. River water supply and MWW_F alternatives with a single step of tertiary treatment were associated with lower impact costs, but the contribution of impact costs to overall annual costs was higher than all other treatment alternatives. MWW_NF and MWW_SF alternatives exhibited moderate external impact costs with moderate infrastructure and chemical conditioner dosing, which makes them (especially

David Dzombak; Radisav Vidic; Amy Landis

2012-06-30T23:59:59.000Z

245

Impact of Climate Change on Irrigation Water Availability, Crop Water Requirements and Soil Salinity in the SJV, CA  

E-Print Network (OSTI)

on Irrigation Water Availability, Crop Water Requirementsreduced surface water availability can be managed byrequirement and water availability (surface water and

Hopmans, Jan W; Maurer, Edwin P

2008-01-01T23:59:59.000Z

246

Utilization of the upper Houston Ship Channel by fish and macroinvertebrates with respect to water quality trends  

E-Print Network (OSTI)

Nektonic utilization of the upper Houston Ship Channel (HSC) was assessed through characterization of species composition, abundance and community structure of finfish and macroinvertebrate populations. Impact of basic water quality trends on utilization was evaluated. seine, gillnet and revolving screen collections from two deep-water and six shoreline sampling stations in upper HSC stream segments 1006 (downstream) and 1007 (upstream) during May 1988 through July 1989 yielded 33,042 nektonic organisms comprising 84 taxa. Spatial and temporal trends in catch statistics, species diversity, and hydrological variables were assessed for each sampling gear type. Seasonal composition by dominant taxa was determined and effect of temperature, salinity and dissolved oxygen on catch statistics examined. Mean surface (shoreline) water temperature and dissolved oxygen levels were similar between segments and followed expected seasonal trends. Mean bottom dissolved oxygen levels in segment 1007 during May through September were consistently 1 to 1.5 mg/l lower than segment 1006 and exhibited hypoxic conditions. Significantly greater catch and biomass were observed in segment 1007 as compared to those of segment 1006. Species diversity and number of taxa were comparable between segments. Distinct reductions in catch, number of taxa and species diversity characterized winter seine collections in segment 1006. Surface water temperatures appeared to exert the greatest hydrological influence on shoreline catch statistics. Revolving screen catches were greatest in Segment 1007 during November through March when bottom dissolved oxygen levels peaked and water temperatures ebbed. Significantly reduced catches in segment 1007 during May through October coincided with highest water temperatures and near-anoxic dissolved oxygen levels. By contrast, catch statistics from segment 1006 were highest during summer and early fall when mean bottom temperature and dissolved oxygen levels were highest and lowest, respectively. Cumulative number of taxa was highest in both segments during winter. HSC segment 1006 maintains healthy shoreline and bottom nekton communities year-round. Low dissolved oxygen in bottom waters restrict nekton utilization of segment 1007 during summer. Richness and abundance in segment 1007 during winter equaled or exceeded that of segment 1006.

Seiler, Richard Dale

1994-01-01T23:59:59.000Z

247

Determining an optimal sampling frequency for measuring bulk temporal changes in ground-water quality  

Science Conference Proceedings (OSTI)

In the Data Quality Objectives (DQO) process, statistical methods are used to determine an optimal sampling and analysis plan. When the DQO decision rule for instituting remedial actions is based on a critical change in water quality, the monitoring program design must ensure that this change can be detected and measured with a specified confidence. Usually the focus is on the change at a single monitoring location and the process is limited to addressing the uncertainty inherent in the analytical methods and the variability at that location. However, new strategies that permit ranking the waste sites and prioritizing remedial activities require the means for assessing overall changes for small regions over time, where both spatial and temporal variability exist and where the uncertainty associated with these variations far exceeds measurement error. Two new methods for assessing these overall changes have been developed and are demonstrated by application to a waste disposal site in Oak Ridge, Tennessee. These methods incorporate historical data where available and allow the user to either test the statistical significance of a linear trend or of an annual change compared to a baseline year for a group of water quality wells.

Moline, G.R.; Beauchamp, J.J.; Wright, T. [Oak Ridge National Lab., TN (United States)

1996-07-01T23:59:59.000Z

248

A methodology to assess the impact of design patterns on software quality  

Science Conference Proceedings (OSTI)

Context: Software quality is considered to be one of the most important concerns of software production teams. Additionally, design patterns are documented solutions to common design problems that are expected to enhance software quality. Until now, ... Keywords: Design patterns, Object-oriented metrics, Quality, Structural quality

Apostolos Ampatzoglou; Georgia Frantzeskou; Ioannis Stamelos

2012-04-01T23:59:59.000Z

249

Water Quality Sampling Locations Along the Shoreline of the Columbia River, Hanford Site, Washington  

Science Conference Proceedings (OSTI)

As environmental monitoring evolved on the Hanford Site, several different conventions were used to name or describe location information for various sampling sites along the Hanford Reach of the Columbia River. These methods range from handwritten descriptions in field notebooks to the use of modern electronic surveying equipment, such as Global Positioning System receivers. These diverse methods resulted in inconsistent archiving of analytical results in various electronic databases and published reports because of multiple names being used for the same site and inaccurate position data. This document provides listings of sampling sites that are associated with groundwater and river water sampling. The report identifies names and locations for sites associated with sampling: (a) near-river groundwater using aquifer sampling tubes; (b) riverbank springs and springs areas; (c) pore water collected from riverbed sediment; and (d) Columbia River water. Included in the listings are historical names used for a particular site and the best available geographic coordinates for the site, as of 2009. In an effort to create more consistency in the descriptive names used for water quality sampling sites, a naming convention is proposed in this document. The convention assumes that a unique identifier is assigned to each site that is monitored and that this identifier serves electronic database management requirements. The descriptive name is assigned for the convenience of the subsequent data user. As the historical database is used more intensively, this document may be revised as a consequence of discovering potential errors and also because of a need to gain consensus on the proposed naming convention for some water quality monitoring sites.

Peterson, Robert E.; Patton, Gregory W.

2009-12-14T23:59:59.000Z

250

Analysis of a flow metering device for low-quality steam-water flows. Final report  

DOE Green Energy (OSTI)

The goal of this project is to investigate the potential of the meter configuration consisting of a sharp-edged contraction section followed by an extended length of constant area duct and finally a diffuser section for pressure recovery. This and two other configurations were tested. These configurations and the reasons underlying their selection are described and discussed. It is concluded that Murdock's correlation for steam/water flow through orifices and sudden contraction sections at low qualities is invalid and the metering scheme based on it is inoperative. (MHR)

Crowe, C.T.

1979-06-26T23:59:59.000Z

251

Early Hydrogen Water Chemistry Injection in Boiling Water Reactors: Impact on Fuel Performance and Reliability  

Science Conference Proceedings (OSTI)

Early injection of hydrogen during plant startup has been proposed to further mitigate intergranular stress corrosion cracking (IGSCC) in boiling water reactors (BWRs). To assess the effectiveness of early hydrogen water chemistry (EHWC), laboratory tests were performed under simulated BWR startup conditions at 200-400°F in the absence of radiation with pre-oxidized stainless steel specimens treated with noble metals to simulate plant surfaces. The ...

2012-12-13T23:59:59.000Z

252

FAQ 40-What are the potential environmental impacts from storage...  

NLE Websites -- All DOE Office Websites (Extended Search)

environmental impacts from storage of depleted uranium as an oxide? Storage as an oxide could result in potential adverse impacts to air, water, and soil quality as a result of...

253

On Managing Texas Rural Water Supply Systems: A Socioeconomic Analysis and Quality Evaluation  

E-Print Network (OSTI)

Research Objectives The study reported here is aimed at evaluating the effectiveness of nonprofit, rural water supply corporations or water systems (hereafter referred to as RWSs) in Texas from a sociological perspective. Specifically, the study has attempted to: 1. Provide an overview of the organizational structure and functioning of RWSs, identifying their existing as well as emerging needs, problems, and suggested solutions. It explores socioeconomic characteristics and patterns of RWSs in Texas. It outlines a history of state and federal regulations and practices through which these systems are structured and actually function. 2. Evaluate the quality and effectiveness of the management of selected RWSs located in different geographical regions of Texas. The evaluation of effectiveness of systems is accomplished through a systematic set of procedures and techniques. These procedures are tested for reliability and validity through empirical data. In addition, the differential levels of program effectiveness of RWSs are elaborated upon by correlating them with relevant socioeconomic variables. 3. Indicate policy and research implications of data for dealing with the future of rural water systems. Expected Contributions The rural populations in the U.S. started experiencing steady increases during the 1970s and early 1980s (Goodwin et al., 1984). Although the rural population growth at the national level showed a few differential trends during mid to late 1980s (Figures 3 and 4 in Appendix A), the state of Texas registered a population influx in many nonmetropolitan areas during the last decade (U.S.D.A., 1990: 11). Overall, a significant portion of Texas' population still resides in rural areas (Texas Department of Water Resources, 1984: 7). However, it appears that a larger number of studies have focused on water-management related problems and issues for urban areas than those for rural communities in Texas (e.g., Knudson, 1986; Meier and Thorton, 1973; Murdock et al., 1988; Texas Department of Water Resources, 1985; Texas Water Development Board, 1990;1 and U.S. Army Corps of Engineers, 1989). While rural water problems have been examined carefully in several parts of the country, we could not find a single study in Texas systematically examining water-related needs and issues confronting rural communities. The need to study rural water supply has become even more important now because of the challenge faced by small community systems in complying with the provisions of the 1986 Safe Drinking Water Act (SDWA). These small systems, with their limited customer and revenue bases, will face formidable expense in installing new water treatment methods (Jensen, 1990; Long and Stukenberg, 1987: 38; Texas Water Development Board, 1990: 14). The present study is a timely probe into the phenomena of rural water supply. The study is aimed at developing and using a methodology to evaluate the program effectiveness of RWSs. In recent years, interest has mounted for employing the research techniques of social sciences in efforts to assess the effectiveness of public programs. The 1970s and 1980s, decades of rapid-paced growth of RWSs in Texas and elsewhere, were marked by the proliferation of public expenditures. The study uses a set of indicators to identify effectiveness and efficiency of rural water projects. Such measures for analysis and appraisal of these projects may contribute to more informed and intelligent planning for the future. The study is also expected to provide a critical probe and insight into an evaluation methodology that may be used in future studies investigating public programs. To this end, the research reported here is exploratory in nature and may set grounds for more critical studies in the area. The study, for example, develops a baseline against which to measure future changes and trend in rural water supplies in Texas as well as in other parts of the country. Organization of the Report The remaining three-section organ

Singh, R.N.

1991-05-01T23:59:59.000Z

254

Environmental Impact Assesment in the Baltic Countries and Poland -- Screening and Quality Control  

E-Print Network (OSTI)

In The Baltic Countries And Poland - Screening And QualityIn The Baltic Countries And Poland - Screening And QualityLatvia, Lithuania and Poland. All four of these countries

Marriott, A.; Doughty, M.

1997-01-01T23:59:59.000Z

255

A framework for estimating pollutant export coefficients from long-term in-stream water quality monitoring data  

Science Conference Proceedings (OSTI)

Modeling techniques for estimating pollutant loadings to water bodies range from simple export coefficient and regression models to more complex mechanistic models. All export coefficient models and many complex mechanistic models rely on pollutant export ... Keywords: BOD, CODMn, NO3-N, PO4-P, Point and non-point source pollutant loadings, Pollutant export coefficients, Water quality

S. Shrestha; F. Kazama; L. T. H. Newham

2008-02-01T23:59:59.000Z

256

Urban airshed modeling of air quality impacts of alternative transportation fuel use in Los Angeles and Atlanta  

DOE Green Energy (OSTI)

The main objective of NREL in supporting this study is to determine the relative air quality impact of the use of compressed natural gas (CNG) as an alternative transportation fuel when compared to low Reid vapor pressure (RVP) gasoline and reformulated gasoline (RFG). A table lists the criteria, air toxic, and greenhouse gas pollutants for which emissions were estimated for the alternative fuel scenarios. Air quality impacts were then estimated by performing photochemical modeling of the alternative fuel scenarios using the Urban Airshed Model Version 6.21 and the Carbon Bond Mechanism Version IV (CBM-IV) (Geary et al., 1988) Using this model, the authors examined the formation and transport of ozone under alternative fuel strategies for motor vehicle transportation sources for the year 2007. Photochemical modeling was performed for modeling domains in Los Angeles, California, and Atlanta, Georgia.

NONE

1997-12-01T23:59:59.000Z

257

Innovative Water Management Technology to Reduce Environmental Impacts of Produced Water  

Science Conference Proceedings (OSTI)

Clemson University with Chevron as an industry partner developed and applied treatment technology using constructed wetland systems to decrease targeted constituents in simulated and actual produced waters to achieve reuse criteria and discharge limits. Pilot-scale and demonstration constructed wetland treatment system (CWTS) experiments led to design strategies for treating a variety of constituents of concern (COCs) in produced waters including divalent metals, metalloids, oil and grease, and ammonia. Targeted biogeochemical pathways for treatment of COCs in pilot-scale CWTS experiments included divalent metal sulfide precipitation through dissimilatory sulfate reduction, metal precipitation through oxidation, reduction of selenite to insoluble elemental selenium, aerobic biodegradation of oil, nitrification of ammonia to nitrate, denitrification of nitrate to nitrogen gas, separation of oil using an oilwater separator, and sorption of ammonia to zeolite. Treatment performance results indicated that CWTSs can be designed and built to promote specific environmental and geochemical conditions in order for targeted biogeochemical pathways to operate. The demonstration system successfully achieved consistent removal extents even while inflow concentrations of COCs in the produced water differed by orders of magnitude. Design strategies used in the pilot-scale and demonstration CWTSs to promote specific conditions that can be applied to designing full-scale CWTSs include plant and soil selection, water-depth selection, addition of amendments, and hydraulic retention time (HRT). These strategies allow conditions within a CWTS to be modified to achieve ranges necessary for the preferred biogeochemical treatment pathways. In the case of renovating a produced water containing COCs that require different biogeochemical pathways for treatment, a CWTS can be designed with sequential cells that promote different conditions. For example, the pilot-scale CWTS for post-reverse osmosis produced water was designed to promote oxidizing conditions within the first wetland cell for nitrification of ammonia, and the subsequent three cells were designed to promote reducing conditions for denitrification of nitrate. By incorporating multiple wetland cells in a CWTS, the conditions within each cell can be modified for removal of specific COCs. In addition, a CWTS designed with multiple cells allows for convenient sample collection points so that biogeochemical conditions of individual cells can be monitored and performance evaluated. Removal rate coefficients determined from the pilot-scale CWTS experiments and confirmed by the demonstration system can be used to calculate HRTs required to treat COCs in full-scale CWTSs. The calculated HRTs can then be used to determine the surface area or ?footprint? of a full-size CWTS for a given inflow rate of produced water.

Castle, James; Rodgers, John; Alley, Bethany; Beebe, Alex; Coffey, Ruthanne; Jurinko, Kristen; Pardue, Michael; Ritter, Tina; Spacil, Michael

2013-05-15T23:59:59.000Z

258

Innovative Water Management Technology to Reduce Environment Impacts of Produced Water  

Science Conference Proceedings (OSTI)

Clemson University with Chevron as an industry partner developed and applied treatment technology using constructed wetland systems to decrease targeted constituents in simulated and actual produced waters to achieve reuse criteria and discharge limits. Pilot-scale and demonstration constructed wetland treatment system (CWTS) experiments led to design strategies for treating a variety of constituents of concern (COCs) in produced waters including divalent metals, metalloids, oil and grease, and ammonia. Targeted biogeochemical pathways for treatment of COCs in pilot-scale CWTS experiments included divalent metal sulfide precipitation through dissimilatory sulfate reduction, metal precipitation through oxidation, reduction of selenite to insoluble elemental selenium, aerobic biodegradation of oil, nitrification of ammonia to nitrate, denitrification of nitrate to nitrogen gas, separation of oil using an oilwater separator, and sorption of ammonia to zeolite. Treatment performance results indicated that CWTSs can be designed and built to promote specific environmental and geochemical conditions in order for targeted biogeochemical pathways to operate. The demonstration system successfully achieved consistent removal extents even while inflow concentrations of COCs in the produced water differed by orders of magnitude. Design strategies used in the pilot-scale and demonstration CWTSs to promote specific conditions that can be applied to designing full-scale CWTSs include plant and soil selection, water-depth selection, addition of amendments, and hydraulic retention time (HRT). These strategies allow conditions within a CWTS to be modified to achieve ranges necessary for the preferred biogeochemical treatment pathways. In the case of renovating a produced water containing COCs that require different biogeochemical pathways for treatment, a CWTS can be designed with sequential cells that promote different conditions. For example, the pilot-scale CWTS for post-reverse osmosis produced water was designed to promote oxidizing conditions within the first wetland cell for nitrification of ammonia, and the subsequent three cells were designed to promote reducing conditions for denitrification of nitrate. By incorporating multiple wetland cells in a CWTS, the conditions within each cell can be modified for removal of specific COCs. In addition, a CWTS designed with multiple cells allows for convenient sample collection points so that biogeochemical conditions of individual cells can be monitored and performance evaluated. Removal rate coefficients determined from the pilot-scale CWTS experiments and confirmed by the demonstration system can be used to calculate HRTs required to treat COCs in full-scale CWTSs. The calculated HRTs can then be used to determine the surface area or ?footprint? of a full-size CWTS for a given inflow rate of produced water.

Castle, James; Rodgers, John; Alley, Bethany; Coffey, Ruthanne; Jurinko, Kristen; Pardue, Michael; Ritter, Tina; Spacil, Michael

2013-05-15T23:59:59.000Z

259

Predicted impacts from offshore produced water discharges on hypoxia in the Gulf of Mexico.  

SciTech Connect

Summer hypoxia (dissolved oxygen < 2 mg/L) in the bottom waters of the northern Gulf of Mexico has received considerable scientific and policy attention because of potential ecological and economic impacts. This hypoxic zone forms off the Louisiana coast each summer and has increased from an average of 8,300 km{sup 2} in 1985-1992 to over 16,000 km{sup 2} in 1993-2001, reaching a record 22,000 km{sup 2} in 2002. The almost threefold increase in nitrogen load from the Mississippi River Basin (MRB) to the Gulf since the middle of the last century is the primary external driver for hypoxia. A goal of the 2001 Federal Action Plan is to reduce the 5-year running average size of the hypoxic zone to below 5,000 km{sup 2} by 2015. After the Action Plan was developed, a new question arose as to whether sources other than the MRB may also contribute significant quantities of oxygen-demanding substances. One very visible potential source is the hundreds of offshore oil and gas platforms located within or near the hypoxic zone, many of which discharge varying volumes of produced water. The objectives of this study were to assess the incremental impacts of produced water discharges on dissolved oxygen in the northern Gulf of Mexico, and to evaluate the significance of these discharges relative to loadings from the MRB. Predictive simulations were conducted with three existing models of Gulf hypoxia using produced water loads from an industry study. Scenarios were designed that addressed loading uncertainties, settleability of suspended constituents, and different assumptions on delivery locations for the produced water loads. Model results correspond to the incremental impacts of produced water loads, relative to the original model results, which included only loads from the MRB. The predicted incremental impacts of produced water loads on dissolved oxygen in the northern Gulf of Mexico from all three models were small. Even considering the predicted ranges between lower- and upper-bound results, these impacts are likely to be within the errors of measurement for bottomwater dissolved oxygen and hypoxic area at the spatial scale of the entire hypoxic zone.

Bierman, V. J.; Hinz, S.C.; Justic, D.; Scavia, D.; Veil, J. A.; Satterlee, K.; Parker, M. E.; Wilson, S.; Environmental Science Division; LimnoTech.; Louisiana State Univ.; Univ of Michigan; Shell E& P Co.; Exxon Mobil Production Co.; U.S. EPA

2008-06-01T23:59:59.000Z

260

Considerations in the Design of Treatment Best Management Practices (BMPs) to Improve Water Quality  

E-Print Network (OSTI)

This document has been reviewed in accordance with the U.S. Environmental Protection Agency=s peer and administrative review policies and approved for publiction. Mention of trade names, commercial products, or design procedures does not constitute endorsement or recommendation for use. ii Foreword The U.S. Environmental Protection Agency (EPA) is charged by Congress with protecting the Nation’s land, air, and water resources. Under a mandate of national environmental laws, the Agency strives to formulate and implement actions leading to a compatible balance between human activities and the ability of natural systems to support and nurture life. To meet this mandate, EPA’s research program is providing data and technical support for solving environmental problems today and building a science knowledge base necessary to manage our ecological resources wisely, understand how pollutants affect our health, and prevent or reduce environmental risks in the future. The National Risk Management Research Laboratory (NRMRL) is the Agency’s center for investigation of technological and management approaches for preventing and reducing risks from pollution that threaten human health and the environment. The focus of the Laboratory’s research program is on methods and their cost-effectiveness for prevention and control of pollution to air, land, water, and subsurface resources; protection of water quality in public water systems; remediation of contaminated sites, sediments and ground water; prevention and control of indoor air pollution; and restoration of ecosystems. NRMRL collaborates with both public and private sector partners to foster technologies that reduce the cost of compliance and to anticipate emerging problems. NRMRL’s research provides solutions to environmental problems by: developing and promoting technologies that protect and improve the environment; advancing

unknown authors

2002-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "water quality impacts" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


261

The Impact of Biofuel and Greenhouse Gas Policies on Land Management, Agricultural Production, and Environmental Quality  

E-Print Network (OSTI)

This dissertation explores the combined effects of biofuel mandates and terrestrial greenhouse gas GHG mitigation incentives on land use, management intensity, commodity markets, welfare, and the full costs of GHG abatement through conceptual and empirical modeling. First, a simple conceptual model of land allocation and management is used to illustrate how bioenergy policies and GHG mitigation incentives could influence market prices, shift the land supply between alternative uses, alter management intensity, and boost equilibrium commodity prices. Later a major empirical modeling section uses the U.S. Forest and Agricultural Sector Optimization Model with Greenhouse Gases (FASOMGHG) to simulate land use and production responses to various biofuel and climate policy scenarios. Simulations are performed to assess the effects of imposing biofuel mandates in the U.S. consistent with the Renewable Fuels Standard of the Energy Independence and Security Act of 2007 (RFS2). Simulations are run for several climate mitigation policy scenarios (with varying GHG (CO2) prices and eligibility restrictions for GHG offset activities) with and without conservation land recultivation. Important simulation outputs include time trajectories for land use, GHG emissions and mitigation, commodity prices, production, net exports, sectoral economic welfare, and shifts in management practices and intensity. Direct and indirect consequences of RFS2 and carbon policy are highlighted, including regional production shifts that can influence water consumption and nutrient use in regions already plagued by water scarcity and quality concerns. Results suggest that the potential magnitude of climate mitigation on commodity markets and exports is substantially higher than under biofuel expansion in isolation, raising concerns of international leakage and stimulating the “Food vs. Carbon” debate. Finally, a reduced-form dynamic emissions trading model of the U.S. economy is developed using simulation output from FASOMGHG and the National Energy Modeling System to test the effect of biofuel mandate expansion and domestic offset eligibility restrictions on total economy-wide GHG abatement costs. Findings are that while the RFS2 raises the marginal costs of offsets, full abatement costs depend on a number of policy factors. GHG payment incentives for forest management and non-CO2 agricultural offsets can increase full abatement costs by more than 20%.

Baker, Justin Scott

2011-05-01T23:59:59.000Z

262

Lake Whitney Comprehensive Water Quality Assessment, Phase 1B- Physical and Biological Assessment (USDOE)  

Science Conference Proceedings (OSTI)

Baylor University Center for Reservoir and Aquatic Systems Research (CRASR) has conducted a phased, comprehensive evaluation of Lake Whitney to determine its suitability for use as a regional water supply reservoir. The area along the Interstate 35 corridor between Dallas / Fort Worth Metroplex and the Waco / Temple Centroplex represents one of the fastest growth areas in the State of Texas and reliable water supplies are critical to sustainable growth. Lake Whitney is situated midway between these two metropolitan areas. Currently, the City of Whitney as well as all of Bosque and Hill counties obtain their potable water from the Trinity Sands aquifer. Additionally, parts of the adjoining McLennan and Burleson counties utilize the Trinity sands aquifer system as a supplement to their surface water supplies. Population growth coupled with increasing demands on this aquifer system in both the Metroplex and Centroplex have resulted in a rapid depletion of groundwater in these rural areas. The Lake Whitney reservoir represents both a potentially local and regional solution for an area experiencing high levels of growth. Because of the large scope of this project as well as the local, regional and national implications, we have designed a multifaceted approach that will lead to the solution of numerous issues related to the feasibility of using Lake Whitney as a water resource to the region. Phase IA (USEPA, QAPP Study Elements 1-4) of this research focused on the physical limnology of the reservoir (bathymetry and fine scale salinity determination) and develops hydrodynamic watershed and reservoir models to evaluate how salinity would be expected to change with varying hydrologic and climatic factors. To this end, we implemented a basic water quality modeling program in collaboration with the Texas Parks and Wildlife Department and the Texas Commission on Environmental Quality to add to the developing long-term database on Lake Whitney. Finally, we conducted an initial assessment of knowledge of watershed and water quality related issues by local residents and stakeholders of Lake Whitney and design an intervention educational program to address any deficiencies discovered. Phase IA was funded primarily from EPA Cooperative Agreement X7-9769 8901-0. Phase IC (USEPA, QAPP Study Element 5) of this research focused on the ambient toxicity of the reservoir with respect to periodic blooms of golden algae. Phase IC was funded primarily from Cooperative Agreement EM-96638001. Phase 1B (USDOE, Study Elements 6-11) complemented work being done via EPA funding on study elements 1-5 and added five new study elements: 6) Salinity Transport in the Brazos Watershed to Lake Whitney; 7) Bacterial Assessment; 8) Organic Contaminant Analysis on Lake Whitney; 9) Plankton Photosynthesis; 10) Lake Whitney Resident Knowledge Assessment; and 11) Engineering Scoping Perspective: Recommendations for Use.

Doyle, Robert D; Byars, Bruce W

2009-11-24T23:59:59.000Z

263

Analysis of the performance and space-conditioning impacts of dedicated heat-pump water heaters  

SciTech Connect

A description is given of the development and testing of the newly-marketed dedicated heat pump water heater (HPWH), and an analysis is presented of its performance and space conditioning impacts. This system utilizes an air-to-water heat pump, costs about $1000 installed, and obtains a coefficient of performance (COP) of about 2.0 in laboratory and field tests. Since a HPWH is usually installed indoors and extracts heat from the air, its operation is a space conditioning benefit if an air conditioning load exists and a penalty if a space heating load exists. To investigate HPWH performance and a space conditioning impacts, a simulation has been developed to model the thermal performance of a residence with resistance baseboard heat, air conditioning, and either heat pump or resistance water heating. The building characteristics are adapted for three US geographical areas (Madison, Wisconsin; Washington, DC; and Ft. Worth, Texas), and the system is simulated for a year with typical weather data. For each city, HPWH COPs are calculated monthly and yearly. In addition, the water heating and space conditioning energy requirements of HPWH operation are compared with those of resistance water heater operation to determine the relative performance ratio (RPR) of the HPWH. The annual simulated RPRs range from 1.5 to 1.7, which indicate a substantial space heating penalty of HPWH operation in these cities.

Morrison, L.; Swisher, J.

1980-12-01T23:59:59.000Z

264

Air quality analysis of the potential impact of offshore oil and gas development in central and northern California. Technical analysis. Final report  

Science Conference Proceedings (OSTI)

This report presents the detailed results of a study prepared for the Bureau of Land Management on the anticipated air quality impacts of the oil and gas development activities associated with proposed OCS Sale No. 53 off central and northern California. The report examines the air quality regulations and standards applicable to Sale No. 53 activities, the air emmissions likely to result from the various phase of the proposed development, their potential impacts on onshore receptor areas, and mitigating measures and strategies available to minimize perceived impacts. The air quality modeling analysis includes both inert and reactive pollutant modeling.

Not Available

1980-03-01T23:59:59.000Z

265

Air quality analysis of the potential impact of offshore oil and gas development in central and northern California. Executive summary. Final report  

SciTech Connect

This summary presents the significant results of a study prepared for the Bureau of Land Management on the anticipated air quality impacts of the oil and gas development activities associated with proposed OCS Sale No. 53 off central and northern California. The report summarizes the air quality regulations and standards applicable to Sale No. 53 activities, the air emmissions likely to result from the various phases of the proposed development, their potential impacts on onshore receptor areas, and mitigating measures and strategies available to minimize perceived impacts. The air quality modeling analysis includes both and reactive pollutant modeling.

Not Available

1980-03-01T23:59:59.000Z

266

Aerosol climate effects and air quality impacts from 1980 to 2030  

SciTech Connect

We investigate aerosol effects on climate for 1980, 1995 (meant to reflect present-day) and 2030 using the NASA Goddard Institute for Space Studies climate model coupled to an on-line aerosol source and transport model with interactive oxidant and aerosol chemistry. Aerosols simulated include sulfates, organic matter (OM), black carbon (BC), sea-salt and dust and additionally, the amount of tropospheric ozone is calculated, allowing us to estimate both changes to air quality and climate for different time periods and emission amounts. We include both the direct aerosol effect and indirect aerosol effects for liquid-phase clouds. Future changes for the 2030 A1B scenario are examined, focusing on the Arctic and Asia, since changes are pronounced in these regions. Our results for the different time periods include both emission changes and physical climate changes. We find that the aerosol indirect effect (AIE) has a large impact on photochemical processing, decreasing ozone amount and ozone forcing, especially for the future (2030-1995). Ozone forcings increase from 0 to 0.12 Wm{sup -2} and the total aerosol forcing increases from -0.10 Wm{sup -2} to -0.94 Wm{sup -2} (AIE increases from -0.13 to -0.68 Wm{sup -2}) for 1995-1980 versus 2030-1995. Over the Arctic we find that compared to ozone and the direct aerosol effect, the AIE contributes the most to net radiative flux changes. The AIE, calculated for 1995-1980, is positive (1.0 Wm{sup -2}), but the magnitude decreases (-0.3Wm{sup -2}) considerably for the future scenario. Over Asia, we evaluate the role of biofuel and transportation-based emissions (for BC and OM) via a scenario (2030A) that includes a projected increase (factor of two) in biofuel and transport-based emissions for 2030 A1B over Asia. Projected changes from present-day due to the 2030A emissions versus 2030 A1B are a factor of 4 decrease in summertime precipitation in Asia. Our results are sensitive to emissions used. Uncertainty in present-day emissions suggest that future climate projections warrant particular scrutiny.

Menon, Surabi; Menon, Surabi; Unger, Nadine; Koch, Dorothy; Francis, Jennifer; Garrett, Tim; Sednev, Igor; Shindell, Drew; Streets, David

2007-11-26T23:59:59.000Z

267

Draft environmental impact report. California Department of Water Resources, Bottle Rock geothermal power plant, Lake County, CA  

SciTech Connect

The California Department of Water Resources (DWR) proposes to construct the Bottle Rock power plant, a 55 MW geothermal power plant, at The Geysers Known Geothermal Resource Area (KGRA). The plant is projected to begin operation in April of 1983, and will be located in Lake County near the Sonoma County line on approximately 7.2 acres of the Francisco leasehold. The steam to operate the power plant, approximately 1,000,000 pounds/h, will be provided by McCulloch Geothermal Corporation. The power plant's appearance and operation will be basically the same as the units in operation or under construction in the KGRA. The power plant and related facilities will consist of a 55 MW turbine generator, a 1.1 mile (1.81 km) long transmission line, a condensing system, cooling tower, electrical switchyard, gas storage facility, cistern, and an atmospheric emission control system. DWR plans to abate hydrogen sulfide (H/sub 2/S) emissions through the use of the Stretford Process which scrubs the H/sub 2/S from the condenser vent gas stream and catalytically oxides the gas to elemental sulfur. If the Stretford Process does not meet emission limitations, a secondary H/sub 2/S abatement system using hydrogen peroxide/iron catalyst is proposed. The Bottle Rock project and other existing and future geothermal projects in the KGRA may result in cumulative impacts to soils, biological resources, water quality, geothermal steam resources, air quality, public health, land use, recreation, cultural resources, and aesthetics.

1979-12-01T23:59:59.000Z

268

Draft environmental impact report. California Department of Water Resources, Bottle Rock geothermal power plant, Lake County, CA  

DOE Green Energy (OSTI)

The California Department of Water Resources (DWR) proposes to construct the Bottle Rock power plant, a 55 MW geothermal power plant, at The Geysers Known Geothermal Resource Area (KGRA). The plant is projected to begin operation in April of 1983, and will be located in Lake County near the Sonoma County line on approximately 7.2 acres of the Francisco leasehold. The steam to operate the power plant, approximately 1,000,000 pounds/h, will be provided by McCulloch Geothermal Corporation. The power plant's appearance and operation will be basically the same as the units in operation or under construction in the KGRA. The power plant and related facilities will consist of a 55 MW turbine generator, a 1.1 mile (1.81 km) long transmission line, a condensing system, cooling tower, electrical switchyard, gas storage facility, cistern, and an atmospheric emission control system. DWR plans to abate hydrogen sulfide (H/sub 2/S) emissions through the use of the Stretford Process which scrubs the H/sub 2/S from the condenser vent gas stream and catalytically oxides the gas to elemental sulfur. If the Stretford Process does not meet emission limitations, a secondary H/sub 2/S abatement system using hydrogen peroxide/iron catalyst is proposed. The Bottle Rock project and other existing and future geothermal projects in the KGRA may result in cumulative impacts to soils, biological resources, water quality, geothermal steam resources, air quality, public health, land use, recreation, cultural resources, and aesthetics.

Not Available

1979-12-01T23:59:59.000Z

269

Urea for SCR-based NOx Control Systems and Potential Impacts to Ground Water Resources  

DOE Green Energy (OSTI)

One of the key challenges facing manufacturers of diesel engines for light- and heavy-duty vehicles is the development of technologies for controlling emissions of nitrogen oxides, In this regard, selective catalytic reduction (SCR) systems represent control technology that can potentially achieve the NOx removal efficiencies required to meet new U.S. EPA standards. SCR systems rely on a bleed stream of urea solution into exhaust gases prior to catalytic reduction. While urea's role in this emission control technology is beneficial, in that it supports reduced NOx emissions, it can also be an environmental threat to ground water quality. This would occur if it is accidentally released to soils because once in that environmental medium, urea is subsequently converted to nitrate--which is regulated under the U.S. EPA's primary drinking water standards. Unfortunately, nitrate contamination of ground waters is already a significant problem across the U.S. Historically, the primary sources of nitrate in ground waters have been septic tanks and fertilizer applications. The basic concern over nitrate contamination is the potential health effects associated with drinking water containing elevated levels of nitrate. Specifically, consumption of nitrate-contaminated water can cause a blood disorder in infants known as methemoglobinemia.

Layton, D.

2002-01-03T23:59:59.000Z

270

The effects of an intermittent piped water network and storage practices on household water quality in Tamale, Ghana  

E-Print Network (OSTI)

The United Nations Millennium Development Goals include a target to halve the number of people without access to "improved" water sources, which include piped water supply. However, an "improved" source of water does not ...

Vacs Renwick, Deborah Alexandra

2013-01-01T23:59:59.000Z

271

Advanced, Environmentally Friendly Hydroelectric Turbines for the Restoration of Fish and Water Quality  

DOE Green Energy (OSTI)

Hydroelectric power contributes about 10 percent of the electrical energy generated in the United States, and nearly 20 percent of the world?s electrical energy. The contribution of hydroelectric generation has declined in recent years, often as a consequence of environmental concerns centering around (1) restriction of upstream and downstream fish passage by the dam, and (2) alteration of water quality and river flows by the impoundment. The Advanced Hydropower Turbine System (AHTS) Program of the U.S. Department of Energy is developing turbine technology which would help to maximize global hydropower resources while minimizing adverse environmental effects. Major technical goals for the Program are (1) the reduction of mortality among turbine-passed fish to 2 percent or less, compared to current levels ranging up to 30 percent or greater; and (2) development of aerating turbines that would ensure that water discharged from reservoirs has a dissolved oxygen concentration of at least 6 mg/L. These advanced, ?environmentally friendly? turbines would be suitable both for new hydropower installations and for retrofitting at existing dams. Several new turbine designs that have been he AHTS program are described.

Brookshier, P.A.; Cada, G.F.; Flynn, J.V.; Rinehart, B.N.; Sale, M.J.; Sommers, G.L.

1999-09-06T23:59:59.000Z

272

Effects of Biochar Recycling on Switchgrass Growth and Soil and Water Quality in Bioenergy Production Systems  

E-Print Network (OSTI)

Intensive biomass production in emerging bioenergy systems could increase nonpoint-source sediment and nutrient losses and impair surface and groundwater quality. Recycling biochar, a charcoal byproduct from pyrolysis of biomass, provides potential sources of mineral nutrients and organic carbon for sustaining biomass productivity and preserving soil and water. Yet, research is needed to verify that recycling of pyrolysis biochars will enhance crop growth and soil and environmental quality similar to black carbon or biochar derived from burning of biomass in tropical or Terra Preta soils. The experimental design of this study consisted of 3 replications and four biochar rates (0, 4, 16, and 64 Mg ha-1) incorporated in both a sandy loam and clay soil with and without fertilizer sources of N, P, and K. The sandy loam and clay soils were studied in separate experiments within a set of 24 box lysimeters seeded with switchgrass. Simulated rain was applied at 50 percent and 100 percent establishment of switchgrass for each soil type. Runoff and leachate were collected and analyzed for total and dissolved N, P, K and organic C. After the second rain event, each soil type and the accumulated switchgrass was sampled and analyzed. In the Boonville soil, biochar applied at 64 Mg ha-1 decreased switchgrass emergence from 42 percent to 14 percent when compared to soil alone. In the Burleson soil, 64 Mg ha-1 biochar had no effect (P > 0.05) on biomass production or leaf area index (LAI). Fertilizer N, P, and K had no effect (P > 0.05) on switchgrass emergence for either soil, but did increase (P biochar increased (P biochar receiving supplemental N, P, and K fertilizer also resulted in greater runoff concentrations of DRP. Emergence tests under increased heat showed electrical conductivities of soil-water solutions to be as high as 600 microS cm-1, even after biochar was washed with acetone and water to remove residual oils and tars and soluble salts. Increasing biochar rates decreased soil bulk density and increased pH and SOC in the 0- to 5-cm depth of soil. As a result of high nutrient recovery during pyrolysis (58 percent of total N, 86 percent of total P and 101 percent of total K), high rates of biochar applied at 64 Mg ha-1 increased mass losses of TN, TP, and TK from both soils. Yet, the mass balance of nutrients showed a surplus of N, P, and K at 64 Mg ha-1 biochar, which suggests some nutrient inputs are not plant available and remain in soil. Careful management of biochar, especially at high rates with these high nutrient contents, is critical when trying to improve soil fertility while protecting water quality.  

Husmoen, Derek Howard

2011-05-01T23:59:59.000Z

273

Western oil-shale development: a technology assessment. Volume 3: air-quality impacts  

SciTech Connect

The effects of a mature oil shale industry on the air quality over the Green River Oil Shale Formation of Colorado, Utah, and Wyoming is described. Climate information is supplied for the Piceance Creek Basin. (ACR)

1982-01-01T23:59:59.000Z

274

Use of environmental sensors and sensor networks to develop water and salinity budgets for seasonal wetland real-time water quality management  

Science Conference Proceedings (OSTI)

Management of river salt loads in a complex and highly regulated river basin such as the San Joaquin River Basin of California presents significant challenges for current Information Technology. Computer-based numerical models are used as a means of ... Keywords: Environmental decision support, Forecasting, Salt management, Sensor networks, Sensors, Water quality

Nigel W. T. Quinn; Ricardo Ortega; Patrick J. A. Rahilly; Caleb W. Royer

2010-09-01T23:59:59.000Z

275

Power Quality Impacts of Distributed Generation: Survey of Distributed Generation Technologies  

Science Conference Proceedings (OSTI)

With the advent of deregulation, distributed generation (DG) will play an increasing role in electric distribution systems. Various new types of DG technologies, such as microturbines and fuel cells, now are being developed in addition to the more traditional solar and wind power. A common belief among developers is that DG will improve the local power quality. This potential for better quality is cited as one of the attributes that add value to the installation of distributed generators. In some cases, ...

2000-11-08T23:59:59.000Z

276

Adjoint sensitivity analysis of the intercontinental impacts of aviation emissions on air quality and health  

E-Print Network (OSTI)

Over 10,000 premature mortalities per year globally are attributed to the exposure to particulate matter caused by aircraft emissions. Unlike previous studies that focus on the regional impacts from the aircraft emissions ...

Koo, Jamin

2011-01-01T23:59:59.000Z

277

Aviation environmental policy effects on national- and regional-scale air quality, noise, and climate impacts  

E-Print Network (OSTI)

The continued growth of the aviation industry poses a challenge to policy-makers and industry stakeholders as each decision represents a trade-off on efficiency, equity, and environmental impact. The Aviation environmental ...

Wolfe, Philip J. (Philip James)

2012-01-01T23:59:59.000Z

278

Full Control of Pitch Burn during Baking: It's Impact on Anode Quality ...  

Science Conference Proceedings (OSTI)

... costs, negatively impact on operational safety and a higher fuel consumption. ... Historical and Future Challenges with the Vibrated Bulk Density Test Methods for ... Prebaked Anode from Coal Extract (2) - Effects of the Properties of ...

279

AIR QUALITY IMPACTS OF LIQUEFIED NATURAL GAS IN THE SOUTH COAST AIR BASIN OF CALIFORNIA  

E-Print Network (OSTI)

4: Modeling Emissions from Natural Gas-Related Sources 4.1Penetration of Liquefied Natural Gas Table ES2: Impacts ontypical summer demand of natural gas in the South Coast Air

Carerras-Sospedra, Marc

2012-01-01T23:59:59.000Z

280

Modeling the impacts of biomass burning on air quality in and around Mexico City  

E-Print Network (OSTI)

The local and regional impacts of open fires and trash burning on ground-level ozone (O[subscript 3]) and fine carbonaceous aerosols in the Mexico City Metropolitan Area (MCMA) and surrounding region during two high fire ...

Lei, W.

Note: This page contains sample records for the topic "water quality impacts" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


281

Aerosol climate effects and air quality impacts from 1980 to 2030  

E-Print Network (OSTI)

impacts of carbonaceous aerosols on clouds and climate. InGeophys. Res. . ”In review”. Aerosol climate e?ects and airChem. Phys. 6, 4427–4459. Aerosol climate e?ects and air

Menon, Surabi

2008-01-01T23:59:59.000Z

282

Aerosol climate effects and air quality impacts from 1980 to 2030  

E-Print Network (OSTI)

CDNC), cloud optical depth (COD) and the AIE for the pastto the increases observed for COD, the liquid water path (suppressed precipitation), and COD rather than CC. (Although

Menon, Surabi

2008-01-01T23:59:59.000Z

283

Water Quality Trends in the Entiat River Subbasin: Final Annual Report to BPA and NOAA Fisheries, 2008.  

DOE Green Energy (OSTI)

The Integrated Status and Effectiveness Monitoring Project (ISEMP) program monitors the status and trend of water quality elements that may affect restoration project effectiveness in the Entiat subbasin. As part of this effort, the PNW Research Station (PNW) measures, analyzes and interprets temporal trends in natural stream water pH, dissolved oxygen, specific conductance and temperature. The Entiat River is currently on the Clean Water Act 303(d) list for pH exceedence, and there is insufficient information to determine the spatial and temporal extent or potential causes of this exceedence. In the late spring 2007, PNW deployed data-logging, multiparameter probes at four locations in the Entiat subbasin to measure water quality parameters, focusing on pH. Data collection was seasonally interrupted by river ice in early December. Daily average pH did not exceed the water quality standard of 8.5 at any of the measurements sites. However, instantaneous values did exceed this standard near the mouth of the Entiat River during late summer-fall period. This suggested that in the lowest portion of the river peaks in pH may be occurring because of photosynthesis caused by high rates of periphyton productivity in response to increased sunlight, temperature, and possible nutrient enrichment. Conversely, dissolved oxygen reached annual low levels during this same late summer-fall period, in part because of increased water temperatures and increased biochemical oxygen demand.

Woodsmith, Richard; Bookter, Andy

2008-03-11T23:59:59.000Z

284

Enhancement Strategies for Mitigating Potential Operational Impacts of Cooling Water Intake Structures: Approaches for Enhancing Env ironmental Resources  

Science Conference Proceedings (OSTI)

This interim report describes environmental enhancement or restoration approaches that may be applicable for mitigating impingement and entrainment impacts associated with cooling water intake structures (CWISs). These approaches are described with respect to their underlying objectives, implementation and operational requirements, costs, current use by government and the private sector, and advantages and limitations for potentially mitigating CWIS operational impacts.

2002-07-30T23:59:59.000Z

285

Air quality analysis of the potential impact of offshore oil and gas development in central and northern California. Supplement. Final report  

Science Conference Proceedings (OSTI)

This supplement to the Technical Analysis presents additional results for a study prepared for the Bureau of Land Management on the anticipated air quality impacts of the oil and gas development activities associated with proposed OCS Sale No. 53 off central and northern California. This supplementary analysis examines the new Department of Interior air quality regulations and standards applicable to Sale No. 53 activities, the air emmissions likely to result from the various phase of the proposed development, and their potential impacts on onshore receptor areas. The air quality modeling analysis includes both inert and reactive pollutant modeling.

Not Available

1980-03-01T23:59:59.000Z

286

Synthesis of gold nano-particles in a microfluidic platform for water quality monitoring applications  

E-Print Network (OSTI)

A microfluidic lab-on-a-chip (LOC) device for in-situ synthesis of gold nano-particles was developed. The long term goal is to develop a portable hand-held diagnostic platform for monitoring water quality (e.g., detecting metal ion pollutants). The LOC consists of micro-chambers housing different reagents and samples that feed to a common reaction chamber. The reaction products are delivered to several waste chambers in a pre-defined sequence to enable reagents/ samples to flow into and out of the reaction chamber. Passive flow actuation is obtained by capillary driven flow (wicking) and dissolvable microstructures called ‘salt pillars’. The LOC does not require any external power source for actuation and the passive microvalves enable flow actuation at predefined intervals. The LOC and the dissolvable microstructures are fabricated using a combination of photolithography and soft lithography techniques. Experiments were conducted to demonstrate the variation in the valve actuation time with respect to valve position and geometric parameters. Subsequently, analytical models were developed using one dimensional linear diffusion theory. The analytical models were in good agreement with the experimental data. The microvalves were developed using various salts: polyethylene glycol, sodium chloride and sodium acetate. Synthesized in-situ in our experiments, gold nano-particles exhibit specific colorimetric and optical properties due to the surface plasmon resonance effect. These stabilized mono-disperse gold nano-particles can be coated with bio-molecular recognition motifs on their surfaces. A colorimetric peptide assay was thus developed using the intrinsic property of noble metal nano-particles. The LOC device was further developed on a paper microfluidics platform. This platform was tested successfully for synthesis of gold nano-particles using a peptide assay and using passive salt-bridge microvalves. This study proves the feasibility of a LOC device that utilizes peptide assay for synthesis of gold nano-particles in-situ. It could be highly significant in a simple portable water quality monitoring platform.

Datta, Sayak

2008-12-01T23:59:59.000Z

287

The impact of climate change on vadose zone pore waters and its implication for long-term monitoring  

Science Conference Proceedings (OSTI)

Protecting groundwater is of growing interest as pressure on these resources grows. Recharge of groundwater takes place through the vadose zone, where complex interactions between thermal-hydrological-geochemical processes affect water quality. Monitoring ... Keywords: climate change, massively parallel computers, monitoring, nuclear waste disposal, pore water chemistry, reactive transport, vadose zone

William E. Glassley; John J. Nitao; Charles W. Grant; James W. Johnson; Carl I. Steefel; James R. Kercher

2003-04-01T23:59:59.000Z

288

Health and water quality monitoring of Pure Home Water's ceramic filter dissemination in the northern region of Ghana  

E-Print Network (OSTI)

Pure Home Water (PHW) is a social enterprise that promotes and disseminates household drinking water technologies in the Northern Region of Ghana. Currently their main product is a pot-shaped Potters for Peace-type ceramic ...

Johnson, Sophie M. (Sophie Marie)

2007-01-01T23:59:59.000Z

289

The impact of reduced injected radioactivity on image quality of molecular breast imaging tomosynthesis  

Science Conference Proceedings (OSTI)

This study's objective is to compare image quality in 3-D molecular breast imaging tomosynthesis (MBIT) with that in planar molecular breast imaging (MBI) over a range of breast radioactivity concentrations. Using gelatin and point source phantoms lesion ... Keywords: molecular breast imaging, radiation dose, tomosynthesis

Olivia Sullivan; Zongyi Gong; Kelly Klanian; Tushita Patel; Mark B. Williams

2012-07-01T23:59:59.000Z

290

Impact of Pilot Light Modeling on the Predicted Annual Performance of Residential Gas Water Heaters: Preprint  

SciTech Connect

Modeling residential water heaters with dynamic simulation models can provide accurate estimates of their annual energy consumption, if the units? characteristics and use conditions are known. Most gas storage water heaters (GSWHs) include a standing pilot light. It is generally assumed that the pilot light energy will help make up standby losses and have no impact on the predicted annual energy consumption. However, that is not always the case. The gas input rate and conversion efficiency of a pilot light for a GSWH were determined from laboratory data. The data were used in simulations of a typical GSWH with and without a pilot light, for two cases: 1) the GSWH is used alone; and 2) the GSWH is the second tank in a solar water heating (SWH) system. The sensitivity of wasted pilot light energy to annual hot water use, climate, and installation location was examined. The GSWH used alone in unconditioned space in a hot climate had a slight increase in energy consumption. The GSWH with a pilot light used as a backup to an SWH used up to 80% more auxiliary energy than one without in hot, sunny locations, from increased tank losses.

Maguire, J.; Burch, J.

2013-08-01T23:59:59.000Z

291

Design and evaluation of a two-phase turbine for low quality steam--water mixtures  

DOE Green Energy (OSTI)

A new two-phase turbine was designed and built for testing in the laboratory, using a low quality steam-water mixture as a working fluid. The measured performance compares well with performance predictions of a numerical model of the expander. Details of the selection of the type of expander are given. The design of an experimental expander for use in a clean two-phase flow laboratory experiment and the development of a numerical model for performance analysis and extrapolations are described. Experiments including static cascade performance with two-phase fluid, disk friction and windage measurements, and two-phase performance measurements of the experimental expander are reported. Comparisons of the numerical model and experimental results, and the prediction of the performance of an advanced design, indicating how performance improvements can be achieved, are also included. An engine efficiency of 23 percent for a single-nozzle test was measured. Full admission performance, based upon the numerical model and achievable nozzle thrust coefficients indicate that an engine efficiency of between 38 and 48 percent can be realized with present technology. If maximum liquid removal loss is assumed, this performance range is predicted to be 38 to 41 percent. Droplet size reduction and the development and implementation of enhanced two-phase flow analysis techniques should make it possible to achieve the research goal of 70 percent engine efficiency.

Comfort, W.J. III

1977-05-16T23:59:59.000Z

292

Water formation on bare grains: When the chemistry on dust impacts interstellar gas  

E-Print Network (OSTI)

Context. Water together with O2 are important gas phase ingredients to cool dense gas in order to form stars. On dust grains, H2 O is an important constituent of the icy mantle in which a complex chemistry is taking place, as revealed by hot core observations. The formation of water can occur on dust grain surfaces, and can impact gas phase composition. Aims. The formation of molecules such as OH, H2 O, HO2, H2 O2, as well as their deuterated forms and O2 and O3 is studied in order to assess how the chemistry varies in different astrophysical environments, and how the gas phase is affected by grain surface chemistry. Methods. We use Monte Carlo simulations to follow the formation of molecules on bare grains as well as the fraction of molecules released into the gas phase. We consider a surface reaction network, based on gas phase reactions, as well as UV photo-dissociation of the chemical species. Results. We show that grain surface chemistry has a strong impact on gas phase chemistry, and that this chemistry...

Cazaux, S; Marseille, M; Spaans, M; Caselli, P

2010-01-01T23:59:59.000Z

293

Ground Water Quality and Riparian Enhancement Projects in Sherman County, Oregon; Coordination and Technical Assistance, 2003-2004 Annual Report.  

DOE Green Energy (OSTI)

This project was designed to provide technical assistance and project coordination to producers in Sherman County for on the ground water quality and riparian enhancement projects. This is accomplished utilizing the USDA Conservation Reserve Enhancement Program (CREP) in addition to other grant monies to translate the personnel funds in this project to on the ground projects. Two technicians and one watershed council coordinator are funded, either wholly or in part, by funds from this grant. The project area encompasses the whole of Sherman County which is bordered almost entirely by streams providing habitat or migration corridors for endangered fish species including steelhead and Chinook salmon. Of those four streams that comprise Sherman County's boundaries, three are listed on the DEQ 303(d) list of water quality limited streams for exceeding summer temperature limits. Only one stream in the interior of Sherman County is 303(d) listed for temperatures, but is the largest watershed in the County. Temperatures in streams are directly affected by the amount of solar radiation allowed to reach the surface of the water. Practices designed to improve bank-side vegetation, such as the CREP program, will counteract the solar heating of those water quality listed streams, benefiting endangered stocks. CREP and water quality projects are promoted and coordinated with local landowners through locally-led watershed councils. Funding from BPA provides a portion of the salary for a watershed council coordinator who acts to disseminate water quality and USDA program information directly to landowners through watershed council activities. The watershed coordinator acts to educate landowners in water quality and riparian management issues and to secure funds for the implementation of on the ground water quality projects. Actual project implementation is carried out by the two technicians funded by this project. Technicians in Sherman County, in cooperation with the USDA Natural Resources Conservation Service, assist landowners in developing Resource Management Systems (RMS) that address resource concerns in a specified land unit. These RMS plans are developed using a nine step planning process that acts to balance natural resource issues with economic and social needs. Soil, Water, Air, Plants, Animals, and Human resource concerns are the core focus in developing a framework for improving the efficiency and effectiveness of conservation activities in a given planning unit, while working within the guidelines set forth by the National Environmental Policy Act (NEPA), Clean Water Act (CWA), Endangered Species Act (ESA), Magnuson-Stevens Act (MSA), National Historic Preservation Act (NHPA), and other federal, state, and local laws. Implementation of this project has provided technical and implementation assistance for numerous on the ground projects, including over 50 WASCBs, several thousand feet of terraces, numerous spring developments, fencing, 7 implemented CREP contracts, and the development of 8 additional CREP projects slated for enrollment at the beginning of FY '05. Within the past contract year in Sherman County, 589.4 acres of CREP have been enrolled protecting 30.8 miles of riparian habitat. In addition to the increase in on the ground projects, coordination and outreach to solicit conservation projects in Sherman County has increased due to the additional staffing provided by BPA funds. As a result there is an abundance of potential conservation projects for water quality and riparian management improvement. With the sustained availability of coordination and technical assistance provided through this grant, BPA personnel funds will translate to a much higher dollar figure applied on the ground. This project has been very successful in keeping up with the demand for conservation projects within Sherman County.

Faucera, Jason (Sherman County Soil and Water Conservation District, Sherman County, OR)

2004-05-01T23:59:59.000Z

294

Ground Water Quality and Riparian Enhancement Projects in Sherman County, Oregon : Coordination and Technical Assistance, 2004-2005 Annual Report.  

Science Conference Proceedings (OSTI)

This project was designed to provide technical assistance and project coordination to producers in Sherman County for on the ground water quality and riparian enhancement projects. This is accomplished utilizing the USDA Conservation Reserve Enhancement Program (CREP) in addition to other grant monies to translate the personnel funds in this project to on the ground projects. Two technicians and one watershed council coordinator are funded, either wholly or in part, by funds from this grant. The project area encompasses the whole of Sherman County which is bordered almost entirely by streams providing habitat or migration corridors for endangered fish species including steelhead and Chinook salmon. Of those four streams that comprise Sherman County's boundaries, three are listed on the DEQ 303(d) list of water quality limited streams for exceeding summer temperature limits. Only one stream in the interior of Sherman County is 303(d) listed for temperatures, but is the largest watershed in the County. Temperatures in streams are directly affected by the amount of solar radiation allowed to reach the surface of the water. Practices designed to improve bank-side vegetation, such as the CREP program, will counteract the solar heating of those water quality listed streams, benefiting endangered stocks. CREP and water quality projects are promoted and coordinated with local landowners through locally-led watershed councils. Funding from BPA provides a portion of the salary for a watershed council coordinator who acts to disseminate water quality and USDA program information directly to landowners through watershed council activities. The watershed coordinator acts to educate landowners in water quality and riparian management issues and to secure funds for the implementation of on the ground water quality projects. Actual project implementation is carried out by the two technicians funded by this project. Technicians in Sherman County, in cooperation with the USDA Natural Resources Conservation Service, assist landowners in developing Resource Management Systems (RMS) that address resource concerns in a specified land unit. These RMS plans are developed using a nine step planning process that acts to balance natural resource issues with economic and social needs. Soil, Water, Air, Plants, Animals, and Human resource concerns are the core focus in developing a framework for improving the efficiency and effectiveness of conservation activities in a given planning unit, while working within the guidelines set forth by the National Environmental Policy Act (NEPA), Clean Water Act (CWA), Endangered Species Act (ESA), Magnuson-Stevens Act (MSA), National Historic Preservation Act (NHPA), and other federal, state, and local laws. Implementation of this project has provided technical and implementation assistance for numerous on the ground projects, including over 50 WASCBs, several thousand feet of terraces, numerous spring developments, fencing, 5 implemented CREP contracts, and the development of 12 additional CREP projects slated for enrollment at the beginning of FY06. Within the past contract year in Sherman County, 355.4 acres of CREP have been enrolled protecting 19.3 miles of riparian habitat. In addition to the increase in on the ground projects, coordination and outreach to solicit conservation projects in Sherman County has increased due to the additional staffing provided by BPA funds. As a result there is an abundance of potential conservation projects for water quality and riparian management improvement. With the sustained availability of coordination and technical assistance provided through this grant, BPA personnel funds will translate to a much higher dollar figure applied on the ground. This project has been very successful in keeping up with the demand for conservation projects within Sherman County.

Faucera, Jason (Sherman County Soil and Water Conservation District, Sherman County, OR)

2005-06-01T23:59:59.000Z

295

Ground Water Quality and Riparian Enhancement Projects in Sherman County, Oregon; Coordination and Technical Assistance, 2002-2003 Annual Report.  

Science Conference Proceedings (OSTI)

This project was designed to provide project coordination and technical assistance to producers in Sherman County for on the ground water quality enhancement and riparian enhancement projects. This is accomplished utilizing the USDA Conservation Enhancement Reserve Program (CREP) and other grant monies to translate the personnel funds in this project to on the ground projects. Two technicians and one watershed council coordinator are funded, either wholly or in part, by funds from this grant. The project area encompasses the whole of Sherman County which is bordered almost entirely by streams providing habitat or migration corridors for endangered fish species including steelhead and Chinook salmon. Three of those four streams and one other major Sherman County stream are listed on the DEQ 303(d) list of water quality limited streams for exceeding summer temperature limits. Temperature in streams are directly affected by the amount of solar radiation allowed to reach the surface of the water. Practices designed to improve bank-side vegetation, such as the CREP program, will counteract the solar heating of those water quality listed streams, benefiting endangered stocks. CREP and water quality projects are promoted and coordinated with local landowners through locally-led watershed councils. Funding from BPA provides a portion of the salary for a watershed council coordinator who acts to disseminate water quality and USDA program information directly to landowners through watershed council activities. The watershed coordinator acts to educate landowners in water quality and riparian management issues and to secure funds for the implementation of on the ground water quality projects. Actual project implementation is carried out by the two technicians funded by this project. Technicians in Sherman County, in cooperation with the USDA Natural Resources Conservation Service, assist landowners in developing Resource Management Systems (RMS) that address resource concerns in a specified land unit. These RMS plans are developed using a nine step planning process that acts to balance natural resource issues with economic and social needs. Soil, Water, Air, Plants, Animals, and Human resource concerns are the core focus in developing a framework for improving the efficiency and effectiveness of conservation activities in a given planning unit, while working within the guidelines set forth by the National Environmental Policy Act (NEPA), Clean Water Act (CWA), Endangered Species Act (ESA), Magnuson-Stevens Act (MSA), National Historic Preservation Act (NHPA), and other federal, state, and local laws. Implementation of this project has resulted in providing technical and implementation assistance for numerous on the ground projects, including over 50 WASCBs, several thousand feet of terraces, two implemented CREP contracts, and the development of 3 additional CREP projects slated for enrollment at the beginning of FY '04. In addition to the increase in on the ground projects, coordination and outreach to solicit conservation projects in Sherman County has increased due to the additional staffing provided by BPA funds. As a result there is an abundance of potential conservation projects for water quality and riparian management improvement. With the sustained availability of coordination and technical assistance provided through this grant, BPA personnel funds will translate to a much higher dollar figure applied on the ground. This project has been very successful in reducing the backlog of conservation projects within Sherman County, while adhering to the objectives set forth for this grant.

Faucera, Jason (Sherman County Soil and Water Conservation District, Sherman County, OR)

2003-06-23T23:59:59.000Z

296

Ground Water Quality and Riparian Enhancement Projects in Sherman County, Oregon; Coordination and Technical Assistance, 2005-2006 Annual Report.  

Science Conference Proceedings (OSTI)

This project was designed to provide technical assistance and project coordination to producers in Sherman County for on the ground water quality and riparian enhancement projects. This is accomplished utilizing the USDA Conservation Reserve Enhancement Program (CREP) in addition to other grant monies to translate the personnel funds in this project to on the ground projects. Two technicians and one watershed council coordinator are funded, either wholly or in part, by funds from this grant. The project area encompasses the whole of Sherman County which is bordered almost entirely by streams providing habitat or migration corridors for endangered fish species including steelhead and Chinook salmon. Of those four streams that comprise Sherman County's boundaries, three are listed on the DEQ 303(d) list of water quality limited streams for exceeding summer temperature limits. Only one stream in the interior of Sherman County is 303(d) listed for temperatures, but is the largest watershed in the County. Temperatures in streams are directly affected by the amount of solar radiation allowed to reach the surface of the water. Practices designed to improve bank-side vegetation, such as the CREP program, will counteract the solar heating of those water quality listed streams, benefiting endangered stocks. CREP and water quality projects are promoted and coordinated with local landowners through locally-led watershed councils. Funding from BPA provides a portion of the salary for a watershed council coordinator who acts to disseminate water quality and USDA program information directly to landowners through watershed council activities. The watershed coordinator acts to educate landowners in water quality and riparian management issues and to secure funds for the implementation of on the ground water quality projects. Actual project implementation is carried out by the two technicians funded by this project. Technicians in Sherman County, in cooperation with the USDA Natural Resources Conservation Service, assist landowners in developing Resource Management Systems (RMS) that address resource concerns in a specified land unit. These RMS plans are developed using a nine step planning process that acts to balance natural resource issues with economic and social needs. Soil, Water, Air, Plants, Animals, and Human resource concerns are the core focus in developing a framework for improving the efficiency and effectiveness of conservation activities in a given planning unit, while working within the guidelines set forth by the National Environmental Policy Act (NEPA), Clean Water Act (CWA), Endangered Species Act (ESA), Magnuson-Stevens Act (MSA), National Historic Preservation Act (NHPA), and other federal, state, and local laws. Implementation of this project has provided technical and implementation assistance for numerous on the ground projects, including 119 WASCBs, 74,591 feet of terraces, 3 spring developments, 24,839 feet of riparian or pasture cross fencing, 1,072 acres of direct seed trials, 14 landowners implementing 34 CREP contracts, and the development of 5 additional CREP contracts slated for enrollment at the beginning of FY07. Within the past contract year in Sherman County, 1898.3 acres of CREP have been enrolled protecting approximately 52 miles of riparian or intermittent stream channel habitat. In addition to the increase in on the ground projects, coordination and outreach to solicit conservation projects in Sherman County has increased due to the additional staffing provided by BPA funds. As a result there is an abundance of potential conservation projects for water quality and riparian management improvement. With the sustained availability of coordination and technical assistance provided through this grant, BPA personnel funds will translate to a much higher dollar figure applied on the ground. This project has been very successful in keeping up with the demand for conservation projects within Sherman County.

Faucera, Jason (Sherman County Soil and Water Conservation District, Sherman County, OR)

2006-06-01T23:59:59.000Z

297

Impacts of motor vehicle operation on water quality - Clean-up Costs and Policies  

E-Print Network (OSTI)

for Do-It-Yourselfers (DIY) because current engine designtarget Do-It-Yourselfers (DIY), who are responsible for mosta 2002 survey of California DIY, conducted by Browning and

Nixon, Hilary; Saphores, Jean-Daniel M

2007-01-01T23:59:59.000Z

298

Impacts of motor vehicle operation on water quality - Clean-up Costs and Policies  

E-Print Network (OSTI)

and recycling. API used motor oil FAQs. Available from:improperly discharged used motor oil pollute streams, lakes,refined products such as motor oil and gasoline are more

Nixon, Hilary; Saphores, Jean-Daniel M

2007-01-01T23:59:59.000Z

299

The Impacts of Motor Vehicle Operation on Water Quality: A Preliminary Assessment  

E-Print Network (OSTI)

million gallons of used motor oil are improperly discharged3 Like crude oil slicks, used motor oil can destroy aquaticrefined products such as motor oil and gasoline are more

Nixon, Hilary; Saphores, Jean-Daniel M

2003-01-01T23:59:59.000Z

300

The Impact of Motor Vehicle Operation on Water Quality: A Premilinary Assessment  

E-Print Network (OSTI)

Institute), 1997. Used Motor Oil Collection and Recycling. Amillion gallons of used motor oil are improperly dischargedLike crude oil slicks, used motor oil can destroy aquatic

Nixon, Hillary; Saphores, Jean-Daniel

2003-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "water quality impacts" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


301

Impacts of motor vehicle operation on water quality - Clean-up Costs and Policies  

E-Print Network (OSTI)

59, 467-476. MARRC (Manitoba Association for ResourceDirty oil. Winnipeg. Manitoba, Canada. Marxsen, C. S. (1999,provinces (Alberta, Manitoba, and Saskatchewan) have

Nixon, Hilary; Saphores, Jean-Daniel M

2007-01-01T23:59:59.000Z

302

The Impacts of Motor Vehicle Operation on Water Quality: A Preliminary Assessment  

E-Print Network (OSTI)

>11/27/02. MARRC (Manitoba Association for Resource Recovery2001. “Dirty Oil” Winnipeg. Manitoba, Canada. NIH (Nationalprovinces (Alberta, Manitoba, and Saskatchewan) have

Nixon, Hilary; Saphores, Jean-Daniel M

2003-01-01T23:59:59.000Z

303

The Impact of Motor Vehicle Operation on Water Quality: A Premilinary Assessment  

E-Print Network (OSTI)

>11/27/02. M A R R C (Manitoba Association for ResourceDirty O i l " Winnipeg. Manitoba, Canada. N I H (Nationalprovinces (Alberta, Manitoba, and Saskatchewan) have

Nixon, Hillary; Saphores, Jean-Daniel

2003-01-01T23:59:59.000Z

304

Impacts of motor vehicle operation on water quality - Clean-up Costs and Policies  

E-Print Network (OSTI)

Concrete Diesel Oil Engine Wear Source: Local Ordinances: ASources of Groundwater Pollution While used oil and usednon-point source pollution, starting with used oil. In the

Nixon, Hilary; Saphores, Jean-Daniel M

2007-01-01T23:59:59.000Z

305

The Impact of Water Quality on Southern California Beach Recreation: A Finite Mixture Model Approach  

E-Print Network (OSTI)

Crystal Cove Corona Del Mar Balboa Newport Santa Ana RiverCrystal Cove Corona Del Mar Balboa Newport Santa Ana River

Hilger, James; Hanemann, W. Michael

2008-01-01T23:59:59.000Z

306

Importance of Measurement: The Impact of Power Quality in Energy Efficiency  

E-Print Network (OSTI)

To implement sustainable and green initiatives in a building it is vital to have a means of measuring and verifying its performance. This is done by the introduction of intelligent utility and energy metering to the facility that would become its eyes and ears. The principle is you cannot control what you cannot measure. Looking closer at the power side, the inefficiencies caused by power quality issues such as power factor and harmonics have often been easily overlooked due to the traditional focus on equipment performance optimisation, rather than on the quality of power which is essential for the operation of any electrical equipment. This paper analyses power factor and harmonics problem areas and offers practical approaches for improvements.

Qazi, T.; Roy, S.

2010-01-01T23:59:59.000Z

307

Comment on “Modeling Miscanthus in the Soil and Water Assessment Tool (SWAT) to Simulate Its Water Quality Effects As a Bioenergy Crop”  

SciTech Connect

In this paper, the authors comment on several mistakes made in a journal paper "Modeling Miscanthus in the Soil and Water Assessment Tool (SWAT) to Simulate Its Water Quality Effects As a Bioenergy Crop" published on Environmental Scienece & Technology, based on field measurements from Great Lakes Bioenergy Research Center, Carbon Sequestration in Terrestrial Ecosystems, and published literature. Our comment has led to the development of another version of SWAT to include better process based description of radiation use efficiency and root-shoot growth.

Zhang, Xuesong; Izaurralde, Roberto C.; Arnold, J. G.; Sammons, N. B.; Manowitz, David H.; Thomson, Allison M.; Williams, J.R.

2011-07-01T23:59:59.000Z

308

A water quality assessment of the import of turfgrass sod grown with composted dairy manure into a suburban watershed  

E-Print Network (OSTI)

Concentrated animal feeding operations (CAFOs) have caused water quality concerns in many rural watersheds, sometimes forcing the State of Texas to conduct Total Maximum Daily Load (TMDL) assessments of stream nutrients such as nitrogen (N) and phosphorus (P). One suggested Best Management Practice (BMP) is the export of phosphorus (P) through turfgrass sod produced with composted dairy manure from an impaired rural watershed to an urban watershed. The manure-grown sod releases P slowly and would not require additional P fertilizer for up to 20 years in the receiving watershed. This would eliminate P application to the sod and improve the water quality of urban streams. The Soil and Water Assessment Tool (SWAT) was used to model a typical suburban watershed that would receive the transplanted sod. The objective of the modeling was to determine the water quality changes due to the import of sod transplanted from turf fields and grown with composted dairy manure. The SWAT model was calibrated to simulate historical flow and sediment and nutrient loading to Mary's Creek. The total P stream loading to Mary's Creek was lower when manure-grown sod was imported instead of commercial sod grown with inorganic fertilizers. Yet, flow, sediment yield, and total N yield increased equally for both cases at the watershed outlet. The SWAT simulations indicate that a turfgrass BMP can be used effectively to import manure P into an urban watershed and reduce in-stream P levels when compared to sod grown with inorganic fertilizers.

Richards, Chad Edward

2004-12-01T23:59:59.000Z

309

AIR QUALITY IMPACTS OF LIQUEFIED NATURAL GAS IN THE SOUTH COAST AIR BASIN OF CALIFORNIA  

SciTech Connect

The effects of liquefied natural gas (LNG) on pollutant emission inventories and air quality in the South Coast Air Basin of California were evaluated using recent LNG emission measurements by Lawrence Berkeley National Laboratory and the Southern California Gas Company (SoCalGas), and with a state-of-the-art air quality model. Pollutant emissions can be affected by LNG owing to differences in composition and physical properties, including the Wobbe index, a measure of energy delivery rate. This analysis uses LNG distribution scenarios developed by modeling Southern California gas flows, including supplies from the LNG receiving terminal in Baja California, Mexico. Based on these scenarios, the projected penetratino of LNG in the South Coast Air Basin is expected to be limited. In addition, the increased Wobbe index of delivered gas (resulting from mixtures of LNG and conventional gas supplies) is expected to cause increases smaller than 0.05 percent in overall (area-wide) emissions of nitrogen oxides (NOx). BAsed on the photochemical state of the South Coast Air Basin, any increase in NOx is expected to cause an increase in the highest local ozone concentrations, and this is reflected in model results. However, the magnitude of the increase is well below the generally accepted accuracy of the model and would not be discernible with the existing monitoring network. Modeling of hypothetical scenarios indicates that discernible changes to ambient ozone and particulate matter concentrations would occur only at LNG distribution rates that are not achievable with current or planned infrastructure and with Wobbe index vlaues that exceed current gas quality tariffs. Results of these hypothetical scenarios are presented for consideration of any proposed substantial expansion of LNG supply infrastructure in Southern California.

Carerras-Sospedra, Marc; Brouwer, Jack; Dabdub, Donald; Lunden, Melissa; Singer, Brett

2011-07-01T23:59:59.000Z

310

EA-1110: Finding of No Significant Impact | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

110: Finding of No Significant Impact 110: Finding of No Significant Impact EA-1110: Finding of No Significant Impact Use of Herbicide for Vegetation Control at VHF Stations, Microwave Stations, Electrical Substations, and Pole Yards Southwestern Power Administration has prepared an environmental assessment (EA) that addressed vegetation control at Southwestern's substations, radio stations, and pole yards. Based on the analysis developed in the EA, Southwestern has concluded, that with proper herbicide application restrictions, there will be no significant environmental impact to the air quality, surface water quality, ground water quality, wetlands, wildlife, aquatic life, threatened and endangered species, cultural resources, human health effects, transportation, or disposal of waste materials.

311

DOEs Response to Energy Water Availability & Quality Issues  

NLE Websites -- All DOE Office Websites (Extended Search)

3 3 rd Annual West Virginia Water Conference Emerging Water Issues...Science and Solutions Roanoke, WV October 28-29, 2004 Thomas J. Feeley, III Technology Manager National Energy Technology Laboratory 3 rd Annual WV Water Conference Global Water Availability Ocean 97% Fresh Water 2.5% 0 20 40 60 80 100 Ice Groundwater Lakes and Rivers 3 rd Annual WV Water Conference Three Things Power Plants Require 1) Access to transmission lines 2) Available fuel, e.g., coal or natural gas 3) Water 3 rd Annual WV Water Conference Freshwater Withdrawals and Consumption Mgal / Day Irrigation 81,300 Irrigation 81,300 Thermoelectric 3,310 Consumption Ref.: "Estimated Use of Water in the United States in 1995," USGS Circular 1200, 1998 "Estimated Use of Water in the United States in 2000," USGS Circular 1268, March 2004

312

Congressional Addressees Subject: Air Pollution: Air Quality, Visibility, and the Potential Impacts of Coal-  

E-Print Network (OSTI)

east-central Nevada and is home to diverse geologic, topographic, and wildlife resources—including ancient bristlecone pines, the world’s longest living tree species. The park was created to preserve a representative segment of the Great Basin Region and receives about 80,000 visitors annually. The park features numerous scenic areas with views of the surrounding landscape, which includes both deserts and mountains. The National Park Service (NPS), within the Department of the Interior, is responsible for managing the park, and the park’s management plan lists both air quality and visibility as outstanding resources. This plan identifies threats to air quality and visibility—including air pollution from the possible development of coal-fired power plants in the region—and states that even slight increases in air pollution could cause major decreases in visibility. In 2004 and 2006, two companies each initiated the process to build new coal-fired power plants about 55 miles northwest of Great Basin National Park, near the city of Ely, Nevada. 1 While the development of these new power plants would provide jobs,

Great Basin; National Park

2009-01-01T23:59:59.000Z

313

Real-Time Water Quality Monitoring and Habitat Assessment in theSan Luis National Wildlife Refuge  

SciTech Connect

The project report describes a two year experiment to control wetland drainage to the San Joaquin River of California from the San Luis National Wildlife Refuge using a decision support system for real-time water quality management. This system required the installation and operation of one inlet and three drainage flow and water quality monitoring stations which allowed a simple mass balance model to be developed of the seasonally managed wetlands in the study area. Remote sensing methods were developed to document long-term trends in wetland moist soil vegetation and soil salinity in response to management options such as delaying the initiation of seasonal wetland drainage. These environmental management tools provide wetland managers with some of the tools necessary to improve salinity conditions in the San Joaquin River and improve compliance with State mandated salinity objectives without inflicting long-term harm on the wild fowl habitat resource.

Quinn, Nigel W.T.; Hanlon, Jeremy S.; Burns, Josephine R.; Stromayer, Karl A.K.; Jordan, Brandon M.; Ennis, Mike J.; Woolington,Dennis W.

2005-08-28T23:59:59.000Z

314

Assessment of Dissolved Oxygen Mitigation at Hydropower Dams Using an Integrated Hydrodynamic/Water Quality/Fish Growth Model  

DOE Green Energy (OSTI)

Dissolved oxygen (DO) in rivers is a common environmental problem associated with hydropower projects. Approximately 40% of all FERC-licensed projects have requirements to monitor and/or mitigate downstream DO conditions. Most forms of mitigation for increasing DO in dam tailwaters are fairly expensive. One area of research of the Department of Energy's Hydropower Program is the development of advanced turbines that improve downstream water quality and have other environmental benefits. There is great interest in being able to predict the benefits of these modifications prior to committing to the cost of new equipment. In the case of turbine replacement or modification, there is a need for methods that allow us to accurately extrapolate the benefits derived from one or two turbines with better design to the replacement or modification of all turbines at a site. The main objective of our study was to demonstrate a modeling approach that integrates the effects of flow and water quality dynamics with fish bioenergetics to predict DO mitigation effectiveness over long river segments downstream of hydropower dams. We were particularly interested in demonstrating the incremental value of including a fish growth model as a measure of biological response. The models applied are a suite of tools (RMS4 modeling system) originally developed by the Tennessee Valley Authority for simulating hydrodynamics (ADYN model), water quality (RQUAL model), and fish growth (FISH model) as influenced by DO, temperature, and available food base. We parameterized a model for a 26-mile reach of the Caney Fork River (Tennessee) below Center Hill Dam to assess how improvements in DO at the dam discharge would affect water quality and fish growth throughout the river. We simulated different types of mitigation (i.e., at the turbine and in the reservoir forebay) and different levels of improvement. The model application successfully demonstrates how a modeling approach like this one can be used to assess whether a prescribed mitigation is likely to meet intended objectives from both a water quality and a biological resource perspective. These techniques can be used to assess the tradeoffs between hydropower operations, power generation, and environmental quality.

Bevelhimer, Mark S [ORNL; Coutant, Charles C [ORNL

2006-07-01T23:59:59.000Z

315

A reaction-based river/stream water quality model Part I: Model development and numerical schemes  

SciTech Connect

This paper presents the conceptual and mathematical development of a numerical model of sediment and reactive chemical transport in river/streams. The distribution of mobile suspended sediments and immobile bed sediments is controlled by hydrologic transport as well as erosion and deposition processes. The fate and transport of water quality constituents involving a variety of chemical and physical processes is mathematically described by a system of reaction equations for immobile constituents and advective-dispersive-reactive transport equations for constituents. To circumvent stiffness associated with equilibrium reactions, matrix decomposition is performed via Gauss-Jordan column reduction. After matrix decomposition, the system of water quality constituent reactive transport equations is transformed into a set of thermodynamic equations representing equilibrium reactions and a set of transport equations involving no equilibrium reactions. The decoupling of equilibrium and kinetic reactions enables robust numerical integration of the partial differential equations for non-equilibrium-variables. Solving non-equilibrium-variable transport equations instead of individual water quality constituent transport equations also reduces the number of PDEs. A variety of numerical methods are investigated for solving the mixed differential and algebraic equations. Two verification examples are compared with analytical solutions to demonstrate the correctness of the code and to illustrate the importance of employing application-dependent numerical methods to solve specific problems.

Zhang, Fan [ORNL; Gour-Tsyh, Yeh [University of Central Florida, Orlando; Parker, Jack C. [University of Tennessee, Knoxville (UTK); Jardine, Philip M [ORNL

2008-01-01T23:59:59.000Z

316

Air quality impacts of highway construction and scheduling. Research report, September 1996--May 1998  

Science Conference Proceedings (OSTI)

In addition to the state`s four urban areas currently designated as non-attainment areas, there is one maintenance area and four non-attainment areas. A large proportion of the state`s population resides within these nine urban areas. This project provides information to the Texas Department of Transportation on the impacts of highway construction on corridor and regional mobile source emissions inventories. The project also provides information on the additional construction costs incurred by highway contractors who are required to participate in ozone alert programs. This information will allow the Department to make more informed policy decisions on whether or not to include highway construction projects in ozone alert programs.

Perkinson, D.G.

1998-05-01T23:59:59.000Z

317

DOEs Response to Energy Water Availability & Quality Issues  

NLE Websites -- All DOE Office Websites (Extended Search)

Power Plant Water Management Power Plant Water Management R&D Program - Responding to Emerging Issues 8 th Electric Utilities Environmental Conference Tucson, AZ January 24-26, 2005 Jeff Hoffmann, Tom Feeley and Barbara Carney US Department of Energy/National Energy Technology Laboratory EUEC 2005 Three Things Power Plants Require 1) Access to transmission lines 2) Available fuel, e.g., coal or natural gas 3) Water EUEC 2005 Water and Electricity Are Inextricably Linked * Each kilowatt-hour of electricity requires on average about 25 gallons of water to produce. * Therefore, we may use almost 3 times as much water turning on lights and running appliances as we do taking showers and watering lawns. 0 50 100 150 200 250 300 350 Home Electricity Use Home Water Use Residential Freshwater Use (Gallons/person/day)

318

Trading pollution for water quality : assessing the effects of market-based instruments in three basins  

E-Print Network (OSTI)

Since its passage in 1972, the majority of pollution reduction under the federal Clean Water Act has resulted from technology-based limits imposed on point source dischargers. However, most U.S. water bodies are unmonitored ...

Wallace, Katherine Hay

2007-01-01T23:59:59.000Z

319

Ceramic filter manufacturing in Northern Ghana : water storage and quality control  

E-Print Network (OSTI)

In 2009, Pure Home Water (PHW), a Ghana based non-profit organization working to provide affordable and safe drinking water to people in the Northern Region of Ghana, began the construction of a ceramic pot filter (CPF) ...

Kleiman, Shanti Lisa

2011-01-01T23:59:59.000Z

320

Land Use and Water Quality on California's Central Coast: Nutrient Levels in Coastal Waterways  

E-Print Network (OSTI)

pollution originating from urban and agricul- tural landrefers to pollution that occurs when water runs over land or

Los Huertos, Marc; Gentry, Lowell; Shennan, Carol

2003-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "water quality impacts" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


321

Understanding submarine groundwater discharge and its influence on coastal water quality along the California Coast  

E-Print Network (OSTI)

oral presentations made to Stinson Beach County Water District (SBCWD), audience of approximately 10 members of the public and board

Boehm, Alexandria B; Paytan, Adina

2010-01-01T23:59:59.000Z

322

A Global Approach to Assess the Potential Impact of Climate Change on Stream Water Temperatures and Related In-Stream First-Order Decay Rates  

Science Conference Proceedings (OSTI)

Stream water temperature is an important factor used in water quality modeling. To estimate monthly stream temperature on a global scale, a simple nonlinear regression model was developed. It was applied to stream temperatures recorded over a 36-...

Manuel Punzet; Frank Voß; Anja Voß; Ellen Kynast; Ilona Bärlund

2012-06-01T23:59:59.000Z

323

Feature - WATER Tool Released  

NLE Websites -- All DOE Office Websites (Extended Search)

Water Assessment for Transportation Energy Resources (WATER) Tool Released Water Assessment for Transportation Energy Resources (WATER) Tool Released Argonne National Laboratory recently released an open access online tool called WATER (Water Assessment for Transportation Energy Resources), which quantifies water footprint of fuel production stages from feedstock production to conversion process for biofuel with county, state, and regional level spatial resolution. WATER provides analysis on water consumption and its impact on water quality. It contains biofuel pathways for corn grain ethanol, soybean biodiesel, and cellulosic ethanol produced from corn stover and wheat straw. Perennial grass (Switchgrass and Miscanthus) and forest wood residue-based biofuel pathways are currently under development. The WATER tool enables users to conduct pathway comparison, scenario development, and regional specific feedstock analysis in supporting of biofuel industry development and planning. It is available at http://water.es.anl.gov/.

324

Environmental assessment for the Waste Water Treatment Facility at the West Valley Demonstration Project and finding of no significant impact  

SciTech Connect

The possible environmental impacts from the construction and operation of a waste water treatment facility for the West Valley Demonstration Project are presented. The West Valley Project is a demonstration project on the solidification of high-level radioactive wastes. The need for the facility is the result of a rise in the work force needed for the project which rendered the existing sewage treatment plant incapable of meeting the nonradioactive waste water treatment needs.

1992-12-31T23:59:59.000Z

325

Life-Cycle Water Impacts of U.S. Transportation Fuels  

E-Print Network (OSTI)

A White Paper Describing Produced Water from Production ofper Million Photovoltaic Produced Water Renewable Fuelsaccount for how average produced water (PW) volumes in each

Scown, Corinne Donahue

2010-01-01T23:59:59.000Z

326

WATER QUALITY CONTROL POLICY ON THE USE OF COASTAL AND ESTUARINE WATERS FOR POWER PLANT COOLING Draft Final Substitute Environmental Document State Water Resources Control Board  

E-Print Network (OSTI)

State Water Board also contributed to this document’s preparation. The authors also wish to acknowledge previous contributions to this project by Ms. Sheila Vassey (State Water Board), Mr. Adam Laputz (currently

California Environmental; Protection Agency; Ms. Kim Ward; Mr. Michael Gjerde; Mr. Frank Roddy Of The

2010-01-01T23:59:59.000Z

327

WATER QUALITY EFFECTS OF LEACHATES FROM AN IN SITU OIL SHALE INDUSTRY  

E-Print Network (OSTI)

Stabilization of Spent Oil Shales, EPA-600/'7-'78- 021, Feb.Impact Analysis for an Oil Shale Complex at Parachute Creek,from a Simulated In-Situ Oil Shale Retort, Proceedings of

Fox, J. P.

2011-01-01T23:59:59.000Z

328

Impact of Remote Reemergence of the Subtropical Mode Water on Winter SST Variation in the Central North Pacific  

Science Conference Proceedings (OSTI)

Using long-term datasets of sea surface temperature (SST), core-layer temperature (CLT) of the North Pacific subtropical mode water (NPSTMW), and the North Pacific index, an impact of remote reemergence of NPSTMW on winter SST variation in the ...

Shusaku Sugimoto; Kimio Hanawa

2007-01-01T23:59:59.000Z

329

Four-Dimensional Variational Data Analysis of Water Vapor Raman Lidar Data and Their Impact on Mesoscale Forecasts  

Science Conference Proceedings (OSTI)

The impact of water vapor observations on mesoscale initial fields provided by a triangle of Raman lidar systems covering an area of about 200 km × 200 km is investigated. A test case during the Lindenberg Campaign for Assessment of Humidity and ...

Matthias Grzeschik; Hans-Stefan Bauer; Volker Wulfmeyer; Dirk Engelbart; Ulla Wandinger; Ina Mattis; Dietrich Althausen; Ronny Engelmann; Matthias Tesche; Andrea Riede

2008-08-01T23:59:59.000Z

330

Cooling Requirements and Water Use Impacts of Advanced Coal-fired Power Plants with CO2 Capture and Storage  

Science Conference Proceedings (OSTI)

In addition to the large cost impact that comes with including CO2 capture in coal power plants, the consumption of water also increases. The increase in water consumption could represent a significant barrier to the implementation of CO2 capture. Although it is assumed that technology improvements might reduce the cost and power consumption of future CO2 capture systems, it might not be feasible to implement CO2 capture if additional water is not available at a site. In addition, because many regions of...

2011-12-20T23:59:59.000Z

331

Final Environmental Impact Statement for the Production of Tritium in a Commercial Light Water Reactor  

DOE Green Energy (OSTI)

The U.S. Department of Energy (DOE) is responsible for providing the nation with nuclear weapons and ensuring that these weapons remain safe and reliable. Tritium, a radioactive isotope of hydrogen, is an essential component of every weapon in the current and projected U.S. nuclear weapons stockpile. Unlike other materials utilized in nuclear weapons, tritium decays at a rate of 5.5 percent per year. Accordingly, as long as the nation relies on a nuclear deterrent, the tritium in each nuclear weapon must be replenished periodically. Currently the U.S. nuclear weapons complex does not have the capability to produce the amounts of tritium that will be required to continue supporting the nation's stockpile. The ''Final Programmatic Environmental Impact Statement for Tritium Supply and Recycling'' (Final Programmatic EIS), DOE/EIS-0161, issued in October 1995, evaluated the alternatives for the siting, construction, and operation of tritium supply and recycling facilities at five DOE sites for four different production technologies. This Programmatic EIS also evaluated the impacts of using a commercial light water reactor (CLWR) without specifying a reactor location. In the Record of Decision for the Final Programmatic EIS (60 FR 63878), issued December 12, 1995, DOE decided to pursue a dual-track approach on the two most promising tritium supply alternatives: (1) to initiate purchase of an existing commercial reactor (operating or partially complete) or reactor irradiation services; and (2) to design, build, and test critical components of an accelerator system for tritium production. At that time, DOE announced that the final decision would be made by the Secretary of Energy at the end of 1998.

N /A

1999-03-12T23:59:59.000Z

332

Forward osmosis desalination of brackish groundwater: Meeting water quality requirements for fertigation by integrating nanofiltration  

E-Print Network (OSTI)

of Chemical and Environmental Engineering, PO Box 208286, Yale University, New Haven, CT 06520-8286, USA a r The increase in fresh water demand due to rapid population growth and the expanding economies are driving water estimated to reach 9 billion by 2050 [57], the food demand will also inevitably rise further driving

Elimelech, Menachem

333

Informa(on and Resources Water Quality and Mi/ga/on: Bifenthrin and Fipronil  

E-Print Network (OSTI)

strategy, Pesticides fluxes, Surface water, Vineyard Introduction The intensive use of pesticides for crop on the mobilisation of pesticides and total fluxes in surface water. Moreover, the effect of the sampling strategy ranged from 1.0 to 60 g. Effect of sampling strategy on the estimation of pesticides fluxes in the river

Hammock, Bruce D.

334

Impact of aspect ratio on flow boiling of water in rectangular microchannels  

SciTech Connect

In this paper we focus on the impact of varying the aspect ratio of rectangular microchannels, on the overall pressure drop involving water boiling. An integrated system comprising micro-heaters, sensors and microchannels has been realized on (110) silicon wafers, following CMOS compatible process steps. Rectangular microchannels were fabricated with varying aspect ratios (width [W] to depth [H]) but constant hydraulic diameter of 142{+-}2{mu}m and length of 20 mm. The invariant nature of the hydraulic diameter is confirmed through two independent means: physical measurements using profilometer and by measuring the pressure drop in single-phase fluid flow. The experimental results show that the pressure drop for two-phase flow in rectangular microchannels experiences minima at an aspect ratio of about 1.6. The minimum is possibly due to opposing trends of frictional and acceleration pressure drops, with respect to aspect ratio. In a certain heat flux and mass flux range, it is observed that the two-phase pressure drop is lower than the corresponding single-phase value. This is the first study to investigate the effect of aspect ratio in two-phase flow in microchannels, to the best of our knowledge. The results are in qualitative agreement with annular flow model predictions. These results improve the possibility of designing effective heat-sinks based on two-phase fluid flow in microchannels. (author)

Singh, S.G.; Kulkarni, A.; Duttagupta, S.P. [Nanoelectronics Center, Department of Electrical Engineering, Indian Institute of Technology Bombay, Powai, Mumbai 400 076 (India); Puranik, B.P.; Agrawal, A. [Suman Mashruwala Lab, Department of Mechanical Engineering, Indian Institute of Technology Bombay, Powai, Mumbai 400 076 (India)

2008-10-15T23:59:59.000Z

335

Synthesis of high-quality carbon nanotube arrays without the assistance of water  

Science Conference Proceedings (OSTI)

Long and high-quality carbon nanotube (CNT) arrays have been synthesized through a chemical vapor deposition process. The Fe/Al2O3 on silicon was used as the catalyst, ethylene as the carbon source, and a gasmixture of Ar and H2 ...

Yongfeng Luo, Xinjun Wang, Mengdong He, Xi Li, Hong Chen

2012-01-01T23:59:59.000Z

336

Modeling the Transport and Chemical Evolution of Onshore and Offshore Emissions and their Impact on Local and Regional Air Quality Using a Variable-Grid-Resolution Air Quality Model  

SciTech Connect

This research project has two primary objectives: (1) to further develop and refine the Multiscale Air Quality Simulation Platform-Variable Grid Resolution (MAQSIP-VGR) model, an advanced variable-grid-resolution air quality model, to provide detailed, accurate representation of the dynamical and chemical processes governing the fate of anthropogenic emissions in coastal environments; and (2) to improve current understanding of the potential impact of onshore and offshore oil and gas exploration and production (E&P) emissions on O{sub 3} and particulate matter nonattainment in the Gulf of Mexico and surrounding states.

Kiran Alapaty; Adel Hanna

2006-10-16T23:59:59.000Z

337

WATER QUALITY CHANGES AS A RESULT OF COALBED METHANE DEVELOPMENT IN A ROCKY MOUNTAIN WATERSHED1  

E-Print Network (OSTI)

discharge water in associated retention ponds moving from the south to the north. Further, Hulin (2003). LOWESS was used because it is usually superior to the parametric ordinary least squares regression sug

McClain, Michael

338

Automated Quality Control Procedure for the "Water Equivalent of Snow on the Ground" Measurement  

Science Conference Proceedings (OSTI)

Snow water equivalent (SWE) has been measured daily by the United States National Weather Service since 1952, whenever snow depth is 2 in. (5 cm) or greater. These data are used to develop design snow loads for buildings, for hydrological ...

Thomas W. Schmidlin; Daniel S. Wilks; Megan McKay; Richard P. Cember

1995-01-01T23:59:59.000Z

339

GRR/Section 14-OR-d - Section 410 Water Quality Certification...  

Open Energy Info (EERE)

Low Emission Development Strategies Oil & Gas Smart Grid Solar U.S. OpenLabs Utilities Water Wind Page Actions View form View source History View New Pages Recent Changes All...

340

Framework for evaluating management interventions for water-quality improvement across multiple agents  

Science Conference Proceedings (OSTI)

It is difficult to accurately predict the impacts of policies for control of nonpoint-source pollution because analytical frameworks incorporating agent heterogeneity are rare. This paper overcomes this limitation through describing a new framework in ... Keywords: Catchment modelling, Integrated modelling, Model calibration, Multiple agents, Nonpoint-source pollution

Graeme J. Doole; T. Ramilan; David J. Pannell

2011-07-01T23:59:59.000Z

Note: This page contains sample records for the topic "water quality impacts" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


341

Measuring and moderating the water resource impact of biofuel production and trade  

E-Print Network (OSTI)

sustainable  biofuel  production."  Ecotoxicology  Dimensions  in  Biofuel   Production.  Rome,  Italy,  UN  resource impact of biofuel production and trade By Kevin

Fingerman, Kevin Robert

2012-01-01T23:59:59.000Z

342

Energy Efficiency Design Options for Residential Water Heaters: Economic Impacts on Consumers  

E-Print Network (OSTI)

G. Rosenquist. 1998. WHAM: A Simplified Energy ConsumptionWater Heater Analysis Model (WHAM) calculation method, whichcharacteristics of water heaters, WHAM uses parameters from

Lekov, Alex

2011-01-01T23:59:59.000Z

343

Life-Cycle Water Impacts of U.S. Transportation Fuels  

E-Print Network (OSTI)

Water Intensity of Transportation. Environmental Science &and Energy Use in Transportation (GREET) Model, Version 1.5.Water Intensity of Transportation. Environmental Science &

Scown, Corinne Donahue

2010-01-01T23:59:59.000Z

344

Water Permits (Louisiana)  

Energy.gov (U.S. Department of Energy (DOE))

The Water Permits Division authorizes permits administered under the Water Quality Regulations. Louisiana's Water Quality Regulations require permits for the discharge of pollutants from any point...

345

The Impact of Nudging in the Meteorological Model for Retrospective Air Quality Simulations. Part II: Evaluating Collocated Meteorological and Air Quality Observations  

Science Conference Proceedings (OSTI)

For air quality modeling, it is important that the meteorological fields that are derived from meteorological models reflect the best characterization of the atmosphere. It is well known that the accuracy and overall representation of the modeled ...

Tanya L. Otte

2008-07-01T23:59:59.000Z

346

Impacts of Volumetric Flow Rate of Water Intakes on Fish Populations and Communities  

Science Conference Proceedings (OSTI)

This report addresses issues related to causes and effects of fish impingement and entrainment at cooling water intake structures (CWISs). It analyzes the possible relationship between the volume of water withdrawn by a water intake and the status of fish populations and aquatic communities in the source water body.

2003-03-25T23:59:59.000Z

347

Measuring and moderating the water resource impact of biofuel production and trade  

E-Print Network (OSTI)

on   development  of  biomass  supply  systems  as  a  new  Future  biomass  energy  supply:  The  consumptive  water  

Fingerman, Kevin Robert

2012-01-01T23:59:59.000Z

348

Water quality modelling for small river basins Stefano Marsili-Libelli*, Elisabetta Giusti  

E-Print Network (OSTI)

Optimal Experiments Design (OED) criteria (Fedorov, 1972; Atkinson and Donev, 1992) based on the Fisher and Donev, 1992; Versyck et al., 1998; Petersen, 2000; Insel et al., 2003; De Pauw, 2005; Checchi from continuous oxygen signals. Water Science and Technology 36, 43e51. Atkinson, A.C., Donev, A

349

A hybrid neural network and ARIMA model for water quality time series prediction  

Science Conference Proceedings (OSTI)

Accurate predictions of time series data have motivated the researchers to develop innovative models for water resources management. Time series data often contain both linear and nonlinear patterns. Therefore, neither ARIMA nor neural networks can be ... Keywords: ARIMA, Backpropagation, Hybrid model, Neural networks, Time series

Durdu Ömer Faruk

2010-06-01T23:59:59.000Z

350

The Quality of Fog Water Collected for Domestic and Agricultural Use in Chile  

Science Conference Proceedings (OSTI)

One exciting new application of meteorology is the prospect of using high-elevation fogs as an and land's water resource. This has now become reality in northern Chile where a pilot project has used 50 fog collectors to generate an average of ...

Robert S. Schemenauer; Pilar Cereceda

1992-03-01T23:59:59.000Z

351

Plant Support Engineering: Guidance for Managing the Impact of Procured Item Quality Issues on Generating Asset Economic Performance  

Science Conference Proceedings (OSTI)

In 2007, EPRI Plant Support Engineering (PSE) published Technical Update 1015171, Procured Item Quality Initiative, Initial Findings, as the initial output from the Technical Advisory Group (TAG) for the EPRI Procured Item Quality Initiative. The update categorized data about procured item quality issues provided by TAG members, summarized the analysis performed, and provided initial conclusions. In addition, the update identified types of items for which quality concerns exist and summarized potential c...

2008-07-08T23:59:59.000Z

352

Summary report on water quality, sediment and water chemistry data for water and sediment samples collected from source areas to Melton Hill and Watts Bar reservoirs  

Science Conference Proceedings (OSTI)

Contamination of surface water and sediments in the Clinch River and Watts Bar Reservoir (CR/WBR) system as a result of past and present activities by the US Department of Energy (DOE) on the Oak Ridge Reservation (ORR) and also activities by non-ORR facilities are being studied by the Clinch River Environmental Restoration Program (CR-ERP). Previous studies have documented the presence of heavy metals, organics, and radionuclides in the sediments of reservoirs in the vicinity. In support of the CR-ERP, during the summer of 1991, TVA collected and evaluated water and sediment samples from swimming areas and municipal water intakes on Watts Bar Reservoir, Melton Hill Reservoir (which is considered part of the Clinch River and Watts Bar Reservoir System), and Norris Reservoir, which was considered a source of less-contaminated reference or background data. Results of this study indicated that the levels of contamination in the samples from the Watts Bar and Melton Hill Reservoir sites did not pose a threat to human health. Despite the numerous studies, until the current work documented by this report, relatively few sediment or water samples had been collected by the CR-ERP in the immediate vicinity of contaminant point sources. This work focused on water and sediment samples taken from points immediately downstream from suspected effluent point sources both on and off the ORR. In August and September, 1994, TVA sampled surface water and sediment at twelve locations in Melton Hill and Watts Bar Reservoirs. Eleven of the sampling sites were selected based on existence of pollutant discharge permits, known locations of hazardous waste sites, and knowledge of past practices. The twelfth sample site was selected as a relatively less contaminated reference site for comparison purposes.

Tomaszewski, T.M.; Bruggink, D.J.; Nunn, D.L.

1995-08-01T23:59:59.000Z

353

A Survey of the Quality ofWater Drawn from Domestic Wells in Nine Midwest States Page 1 of 2 http://www.cdc.gov/nceh/programs/emergenc/WellWater/MidwestWell.htm 10/6/99  

E-Print Network (OSTI)

A Survey of the Quality ofWater Drawn from Domestic Wells in Nine Midwest States Page 1 of 2 http://www.cdc.gov/nceh/programs/emergenc/WellWater/MidwestWell.htm 10/6/99 Centers for Disease Control from Domestic Wells in Nine Midwest States Centers for Disease Control and Prevention National Center

354

The impact of water flow configuration on crystallisation in LiBr/H2O absorption water heater  

SciTech Connect

Lithium Bromide (LiBr) strong solution entering the absorber tends to crystallise when the absorber temperature is increased for a fixed evaporating pressure. This is considered the key technical barrier for the development of a LiBr absorption heat pump water heater. There are several approaches to avoid the crystallisation problem, such as chemical crystallisation inhibitors, heat and mass transfer enhancement and thermodynamic cycle modification. This paper investigates and compares two flow configurations of LiBr absorption heat pump water heater to evaluate the allowable operating conditions for each. The simulation results indicated that introducing the process water through the absorber first results in lower absorber temperature and hence less tendency for crystallisation.

Wang, Kai [ORNL; Abdelaziz, Omar [ORNL; Vineyard, Edward Allan [ORNL

2011-03-01T23:59:59.000Z

355

Finding of No Significant Impact and Final Environmental Assessment for the Y-12 Potable Water System Upgrade (03/29/06)  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

OF NO SIGNIFICANT IMPACT OF NO SIGNIFICANT IMPACT AND FINAL ENVIRONMENTAL ASSESSMENT FOR THE Y-12 POTABLE WATER SYSTEM UPGRADE U.S. Department of Energy Oak Ridge Y-12 Site Office National Nuclear Security Administration DOE/EA - 1548 March 2006 DOE/EA-1548 Finding of No Significant Impact and Final Environmental Assessment for the Y-12 Potable Water System Upgrade U.S. Department of Energy National Nuclear Security Administration March 2006 Final Environmental Assessment for the Y-12 Potable Water System Upgrade

356

Downscaled climate change impacts on agricultural water resources in Puerto Rico  

E-Print Network (OSTI)

Water Resource Data, Puerto Rico and the US Virgin Islands,WATER RESOUCES IN PUERTO RICO Eric W. Harmsen 1 , Norman L.Engineering, Univ. of Puerto Rico – Mayagüez Campus, email:

Harmsen, E.W.

2010-01-01T23:59:59.000Z

357

Measuring and moderating the water resource impact of biofuel production and trade  

E-Print Network (OSTI)

and  fermentation.   Biorefineries  consume  water  of  biomass  removal.   Biorefineries  can  also  improve  and  design  of  biorefineries  will   minimize  conflicts  

Fingerman, Kevin Robert

2012-01-01T23:59:59.000Z

358

ENVIRONMENTAL IMPACT OF THE COOLING WATER INTAKE STRUCTURE, TANGUISSON POWER PLANT  

E-Print Network (OSTI)

report for the Environmental Effects of Cooling Water Intake Structures project (contract number/or chemicals) and as impingement (where the cooling water intake traps larger organisms against the intake and impingement of aquatic organisms in cooling water intakes.) For rules such as those outlined above

Schupp, Peter

359

Simulating the impact of pricing policies on residential water demand: a Southern France case study  

E-Print Network (OSTI)

. Author-produced version of the article published in Water Resources Management, 2012, 26 (7-sectional data set, an Author-produced version of the article published in Water Resources Management, 2012, 26 employed relate to price, water use, and estimates of the cost of drilling. The Author-produced version

360

The Use of Advanced Hydroelectric Turbines to Improve Water Quality and Fish Populations  

DOE Green Energy (OSTI)

technology which would help to maximize global hydropower resources while minimizing adverse environmental effects. Major technical goals for the Program are (1) the reduction of mortality among turbine-passed fish to 2 percent or less, compared to current levels ranging up to 30 percent or greater; and (2) development of aerating turbines that would ensure that water discharged from reservoirs has a dissolved oxygen concentration of at least 6 mg/L. These advanced, ?environmentally friendly? turbines would be suitable both for new hydropower installations and for retrofitting at existing dams. Several new turbine designs that have been developed in the initial phases of the AHTS program are described.

Brookshier, P.A.; Cada, G.F.; Flynn, J.V.; Rinehart, B.N.; Sale, M.J.; Sommers, G.L.

1999-09-20T23:59:59.000Z

Note: This page contains sample records for the topic "water quality impacts" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


361

Tropical Anvil Characteristics and Water Vapor of the Tropical Tropopause Layer (TTL): Impact of Homogeneous Freezing Parameterizations  

NLE Websites -- All DOE Office Websites (Extended Search)

Heterogeneous and Homogeneous Freezing Heterogeneous and Homogeneous Freezing Parameterizations on Tropical Anvil Characteristics and Water Vapor Content of the TTL Jiwen Fan Climate Physics, Pacific Northwest National Laboratory Contributed by: Jennifer Comstock, Mikhail Ovtchinnikov, Sally McFarlane, and Greg McFarquhar OBJECTIVES Look into the effects of the commonly used heterogeneous and homogeneous freezing parameterizations on anvil properties and water vapor content in the TTL for the deep convective clouds developed in the contrasting environments. Examine the impact of the immersion-freezing on homogeneous freezing process. Homogeneous freezing parameterizations (HFPs) 1) Koop et al. (2000): J r depends on the water activity of the solution and is independent of the nature of solute.

362

Energy and Economic Impacts of U.S. Federal Energy and Water Conservation Standards Adopted From 1987 Through 2010  

SciTech Connect

This paper presents estimates of the key impacts of the energy and water conservation standards that have been adopted from 1987 through 2010. The standards covered include those set by legislation as well as standards adopted by DOE through rulemaking. We estimate that energy efficiency standards for consumer products and certain commercial and industrial equipment that have been adopted from 1987 through 2010 saved 3.0 quads in 2010, have had a cumulative energy savings of 25.9 quads through 2010 and will achieve cumulative energy savings of 158 quads over the period 1990-2070. Thus, the majority of the savings are still to come as products subject to standards enter the stock. Furthermore, the standards will have a cumulative net present value (NPV) of consumer benefit of between $851 billion and $1,103 billion, using 7 percent and 3 percent discount rates, respectively. In addition, we estimate the water conservation standards, together with those energy conservation standards that also save water, saved residential consumers 1.5 trillion gallons of water in 2010, have had cumulative water savings of 11.7 trillion gallons through 2010, and will achieve cumulative water savings by 2040 of 51.4 trillion gallons.

Meyers, Stephen; Williams, Alison; Chan, Peter

2011-12-07T23:59:59.000Z

363

EPA/NMED/LANL 1998 water quality results: Statistical analysis and comparison to regulatory standards  

SciTech Connect

Four governmental agencies conducted a round of groundwater, surface water, and spring water sampling at the Los Alamos National Laboratory during 1998. Samples were split among the four parties and sent to independent analytical laboratories. Results from three of the agencies were available for this study. Comparisons of analytical results that were paired by location and date were made between the various analytical laboratories. The results for over 50 split samples analyzed for inorganic chemicals, metals, and radionuclides were compared. Statistical analyses included non-parametric (sign test and signed-ranks test) and parametric (paired t-test and linear regression) methods. The data pairs were tested for statistically significant differences, defined by an observed significance level, or p-value, less than 0.05. The main conclusion is that the laboratories' performances are similar across most of the analytes that were measured. In some 95% of the laboratory measurements there was agreement on whether contaminant levels exceeded regulatory limits. The most significant differences in performance were noted for the radioactive suite, particularly for gross alpha particle activity and Sr-90.

B. Gallaher; T. Mercier; P. Black; K. Mullen

2000-02-01T23:59:59.000Z

364

Quality Assurance: Quality Policy  

NLE Websites -- All DOE Office Websites (Extended Search)

Policy Policy It is the policy of the Department of Energy to establish quality requirements to ensure that risks and environmental impacts are minimized and that safety, reliability, and performance are maximized through the application of effective management systems commensurate with the risks posed by the facility or activity and its work. The Department implements this policy through the QA Order and the QA rule directives to ensure quality assurance requirements are clearly specified for the broad spectrum of work performed by DOE and its contractors. Objective The objective of the QA requirements are to establish an effective management system (i.e., quality assurance programs) using the performance requirements coupled technical standards where appropriate that ensure:

365

Assessing the sustainability of transportation fuels : the air quality impacts of petroleum, bio and electrically powered vehicles.  

E-Print Network (OSTI)

??Transportation fleet emissions have a dominant role in air quality because of their significant contribution to ozone precursor and greenhouse gas emissions. Regulatory policies have… (more)

Alhajeri, Nawaf Salem

2010-01-01T23:59:59.000Z

366

Impact on the steam electric power industry of deleting Section 316(a) of the Clean Water Act: Energy and environmental impacts  

Science Conference Proceedings (OSTI)

Many power plants discharge large volumes of cooling water. In some cases, the temperature of the discharge exceeds state thermal requirements. Section 316(a) of the Clean Water Act (CWA) allows a thermal discharger to demonstrate that less stringent thermal effluent limitations would still protect aquatic life. About 32% of the total steam electric generating capacity in the United States operates under Section 316(a) variances. In 1991, the US Senate proposed legislation that would delete Section 316(a) from the CWA. This study, presented in two companion reports, examines how this legislation would affect the steam electric power industry. This report quantitatively and qualitatively evaluates the energy and environmental impacts of deleting the variance. No evidence exists that Section 316(a) variances have caused any widespread environmental problems. Conversion from once-through cooling to cooling towers would result in a loss of plant output of 14.7-23.7 billion kilowatt-hours. The cost to make up the lost energy is estimated at $12.8-$23.7 billion (in 1992 dollars). Conversion to cooling towers would increase emission of pollutants to the atmosphere and water loss through evaporation. The second report describes alternatives available to plants that currently operate under the variance and estimates the national cost of implementing such alternatives. Little justification has been found for removing the 316(a) variance from the CWA.

Veil, J.A.; VanKuiken, J.C.; Folga, S.; Gillette, J.L.

1993-01-01T23:59:59.000Z

367

Water  

NLE Websites -- All DOE Office Websites (Extended Search)

Laws Envirosearch Institutional Controls NEPA Activities RCRA RQ*Calculator Water HSS Logo Water Laws Overview of water-related legislation affecting DOE sites Clean...

368

Evaluation of Water Stress Impact on the Parameter Values in Stomatal Conductance Models Using Tower Flux Measurement of a Boreal Aspen Forest  

Science Conference Proceedings (OSTI)

The impact of water stress on plant stomatal conductance (g) has been widely studied but with little consensus as to the processes governing its responses. The photosynthesis-driven stomatal conductance models usually employ constant model ...

Shusen Wang

2012-02-01T23:59:59.000Z

369

Life-Cycle Water Impacts of U.S. Transportation Fuels  

E-Print Network (OSTI)

Impact Analysis for a Shale Oil Complex at Parachute Creek,of Paraho Crude Shale Oil Into Military Specification Fuels.CO, 1974; An Assessment of Oil Shale Technologies. Office of

Scown, Corinne Donahue

2010-01-01T23:59:59.000Z

370

Impact of Chemical Injections on Boiling Water Reactor Dose Rates: Interim Report  

Science Conference Proceedings (OSTI)

This report investigates the effects of Boiling Water Reactor (BWR) chemistry parameters on radiation field generation, with a focus on the higher reactor water Co-60 activity levels observed at plants using On-line NobleChem™ (OLNC) injections. Correlation and response curves were developed to relate reactor water and feedwater chemistry to dose rates, with the goal of improving reactor recirculation system (RRS) piping shutdown dose rate ...

2012-12-21T23:59:59.000Z

371

Impacts of Water Level Fluctuations on Kokanee Reproduction in Flathead Lake, 1984 Annual Report.  

DOE Green Energy (OSTI)

This study was initiated in the fall of 1981 to delineate the extent of successful shoreline spawning of kokanee salmon in Flathead Lake and determine the impacts of the historic and present operations of Kerr and Hungry Horse dams. An investigation of the quantity and quality of groundwater and other factors affecting kokanee reproductive success in Flathead Lake began in the spring of 1982. A total of 719 redds were counted in 17 shoreline areas of Flathead Lake in1983 compared to 592 in 1981 and 1,029 in 1982. Shoreline spawning contributed three percent to the total kokanee spawning in the Flathead drainage in 1983. Fifty-nine percent of the redds were located above 2883 ft, the operational minimum pool. The majority of those redds were constructed between 2885 and 2889 ft. In areas above minimum pool, intergravel dissolved oxygen concentrations were adequate for embryo survival and exhibited a decrease with depth. Limited data indicated apparent velocity may be the key in determining redd distribution. Seventy-five percent of the redds located below minimum pool were constructed in a zone between 2869 and 2883 ft. In individual areas, apparent velocity measurements and intergravel dissolved oxygen concentrations were related to redd density. The variation in intergravel dissolved oxygen concentrations in the Yellow Bay spawning area was partially explained by lake stage fluctuation. As lake stage declined, groundwater apparent velocity increased which increased intergravel dissolved oxygen concentrations. Mean survival to the eyed stage in the three areas below minimum pool was 43 percent. Prior to exposure by lake drawdown, mean survival to the eyed stage in spawning areas above minimum pool was 87 percent. This indicated habitat most conducive to successful embryo survival was in gravels above 2883 ft. prior to significant exposure. Survival in redds exposed to either extended periods of drawdown or to temperatures less than -10% was significantly reduced to a mean of 20-30 percent. Survival in individual spawning areas exposed by lake drawdown varied from 0 to 65 percent. Groundwater reaction to lake stage explained some of the variation in individual spawning area survival. Three types of groundwater reaction to lake stage were identified. Increased survival in exposed redds resulted from two of the three types. A significant statistical relationship was determined between embryo survival and the number of days exposed by lake drawdown. The operation of Kerr Dam in 1983-84 was characterized by an early decline in lake stage, a longer period near minimum pool and a later and more rapid filling compared to the operation seen in 1981-82 and 1982-83. Based on the survival relationship observed in natural redds exposed by drawdown in 1983-84, complete mortality from exposure would have occurred to all redds constructed above 2884.7 ftor 90 percent of all redds constructed above minimum pool. Emergence traps placed over redds below minimum pool in Gravel, Blue, and Yellow bays captured fry in Gravel and Blue bays only. Duration of fry emergence in1984 was three weeks longer than in 1982 or 1983, but was not related to the date of initial redd construction. Survival to fry emergence in Gravel Bay was calculated to be 28.9 percent of egg deposition or 57,484 fry. Survival to fry emergence above and below the zone of greatest redd density was 33.6 and 245 percent, respectively, indicating a relationship between survival and spawner site selection. After analysis of the historic operation of Kerr Dam, it is believed that the dam has, and is continuing to have, a significant impact on successful shoreline spawning of kokanee salmon in Flathead Lake. Based on the evidence that prolonged exposure of salmonid embryo by dewatering causes significant mortality, the number of days the lake was held below various foot increments (2884 ft to 2888 ft) during the incubation period was investigated. The annual change in the number of days the lake was held below 2885 ft was further investigated because 80-90 percent of the redds cons

Decker-Hess, Janet; Clancey, Patrick (Montana Department of Fish, Wildlife and Parks, Kalispell, MT)

1984-03-01T23:59:59.000Z

372

Price Impact on the Demand for Water and Energy in California...  

NLE Websites -- All DOE Office Websites (Extended Search)

National Laboratory City Berkeley Keywords block rate pricing, california, demand, electricity, natural gas, Price elasticity of demand, water Abstract This paper provides a...

373

Life-Cycle Water Impacts of U.S. Transportation Fuels  

E-Print Network (OSTI)

Suh, S. Water Embodied in Bioethanol in the United States.Use in the Production of Bioethanol and Petroleum Gasoline.for Producing Biofuels: Bioethanol and Biodiesel. Biomass

Scown, Corinne Donahue

2010-01-01T23:59:59.000Z

374

Measuring and moderating the water resource impact of biofuel production and trade  

E-Print Network (OSTI)

fracturing,  or  “fracking. ”  In  this  process,  fluids  a  coal  bed  through  fracking  requires  between  50,000  gallons  of  water.  Fracking  to  create  a  well  in  a  

Fingerman, Kevin Robert

2012-01-01T23:59:59.000Z

375

Life-Cycle Water Impacts of U.S. Transportation Fuels  

E-Print Network (OSTI)

GREET Pathway for Corn Ethanol. California Air Resourcesthat for each m 3 of corn ethanol produced in the Unitedthe water footprint of corn ethanol production will be on

Scown, Corinne Donahue

2010-01-01T23:59:59.000Z

376

Environmental quality  

SciTech Connect

Major emphasis is placed on man environment interactions and environment management. Topics include: ecology and living resources; the global environment; water and air quality; toxic substances and environmental health; energy; natural resources; NEPA regulations; and land use.

1980-12-01T23:59:59.000Z

377

The Impact of the Sierra Nevada on Low-Level Winds and Water Vapor Transport  

Science Conference Proceedings (OSTI)

To understand the influence of the Sierra Nevada on the water cycle in California the authors have analyzed low-level winds and water vapor fluxes upstream of the mountain range in regional climate model simulations. In a low Froude number (Fr) ...

Jinwon Kim; Hyun-Suk Kang

2007-08-01T23:59:59.000Z

378

Water efficiency in buildings: assessment of its impact on energy efficiency and reducing GHG emissions  

Science Conference Proceedings (OSTI)

Nowadays humanity uses about 50% of existing drinking-water, but in the next 15 years this percentage will reach 75%. Consequently, hydric stress risk will rise significantly across the entire planet. Accordingly, several countries will have to apply ... Keywords: GHG emissions, efficient water devices, energy efficiency, hydric efficiency

A. Silva-Afonso; F. Rodrigues; C. Pimentel-Rodrigues

2011-02-01T23:59:59.000Z

379

EIS-0288; Final Environmental Impact Statement for the Production of Tritium in a Commercial Light Water Reactor  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

iii iii COVER SHEET Responsible Agency: United States Department of Energy Cooperating Agency: Tennessee Valley Authority Title: Final Environmental Impact Statement for the Production of Tritium in a Commercial Light Water Reactor Contact: For additional information on this Final Environmental Impact Statement, write or call: Jay Rose Office of Defense Programs U.S. Department of Energy 1000 Independence Avenue, SW Washington, DC 20585 Attention: CLWR EIS Telephone: (202) 586-5484 For copies of the CLWR Final EIS call: 1-800-332-0801 | For general information on the DOE National Environmental Policy Act (NEPA) process, write or call: Carol M. Borgstrom, Director Office of NEPA Policy and Assistance (EH-42) U.S. Department of Energy 1000 Independence Avenue, SW Washington, DC 20585

380

THE IMPACT OF A URANIUM MINING SITE ON THE STREAM SEDIMENTS (CRUCEA MINE, ROMANIA)  

E-Print Network (OSTI)

THE IMPACT OF A URANIUM MINING SITE ON THE STREAM SEDIMENTS (CRUCEA MINE, ROMANIA) Petrescu L. 1 methods were used to evaluate the impact of uranium mine dumps on the stream sedi- ments from Crucea uranium mine show that the impact of Crucea mine on water quality downstream of mining area

Paris-Sud XI, Université de

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381

The Impact of Nudging in the Meteorological Model for Retrospective Air Quality Simulations. Part I: Evaluation against National Observation Networks  

Science Conference Proceedings (OSTI)

It is common practice to use Newtonian relaxation, or nudging, throughout meteorological model simulations to create “dynamic analyses” that provide the characterization of the meteorological conditions for retrospective air quality model ...

Tanya L. Otte

2008-07-01T23:59:59.000Z

382

Impact of a solar domestic hot water demand-side management program on an electric utility and its customers  

DOE Green Energy (OSTI)

A methodology to assess the economic and environmental impacts of a large scale implementation of solar domestic hot water (SDHW) systems is developed. Energy, emission and demand reductions and their respective savings are quantified. It is shown that, on average, an SDHW system provides an energy reduction of about 3200 kWH, avoided emissions of about 2 tons and a capacity contribution of 0.7 kW to a typical Wisconsin utility that installs 5000 SDHW system. The annual savings from these reductions to utility is {dollar_sign}385,000, providing a return on an investment of over 20{percent}. It is shown that, on average, a consumer will save {dollar_sign}211 annually in hot water heating bills. 8 refs., 7 figs.

Trzeniewski, J.; Mitchell, J.W.; Klein, S.A.; Beckman, W.A.

1996-09-01T23:59:59.000Z

383

The impact of including water constraints on food production within a CGE framework  

E-Print Network (OSTI)

This research explores the long-term relationship between water resources, irrigated land use change and crop production within a computable general equilibrium modeling framework. The modeling approach is developed on a ...

Baker, Jonathan (Jonathan Early)

2011-01-01T23:59:59.000Z

384

Life-Cycle Water Impacts of U.S. Transportation Fuels  

E-Print Network (OSTI)

as shale gas, but this pathway will not be discussed becauseuses water consumption for shale gas extraction as a proxy77). Natural gas can also be extracted from oil shale, known

Scown, Corinne Donahue

2010-01-01T23:59:59.000Z

385

Impact of Watershed Geomorphic Characteristics on the Energy and Water Budgets  

Science Conference Proceedings (OSTI)

The GEOtop model makes it possible to analyze the short- and long-term effects of geomorphic variation on the partitioning of the lateral surface and subsurface water and surface energy fluxes. The topography of the Little Washita basin (Oklahoma)...

Giacomo Bertoldi; Riccardo Rigon; Thomas M. Over

2006-06-01T23:59:59.000Z

386

Life-Cycle Water Impacts of U.S. Transportation Fuels  

E-Print Network (OSTI)

Protection in Primary Crude Oil Refining Units. ChemistryCO2 Emissions for Selected Crude Oils in the U.S. RefiningWater from Production of Crude Oil, Natural Gas, and Coal

Scown, Corinne Donahue

2010-01-01T23:59:59.000Z

387

Estimating Potential Evaporation from Vegetated Surfaces for Water Management Impact Assessments Using Climate Model Output  

Science Conference Proceedings (OSTI)

River basin managers concerned with maintaining water supplies and mitigating flood risk in the face of climate change are taking outputs from climate models and using them in hydrological models for assessment purposes. While precipitation is the ...

Victoria A. Bell; Nicola Gedney; Alison L. Kay; Roderick N. B. Smith; Richard G. Jones; Robert J. Moore

2011-10-01T23:59:59.000Z

388

Impact of Kalpana-1-Derived Water Vapor Winds on Indian Ocean Tropical Cyclone Forecasts  

Science Conference Proceedings (OSTI)

The water vapor winds from the operational geostationary Indian National Satellite (INSAT) Kalpana-1 have recently become operational at the Space Applications Centre (SAC). A series of experimental forecasts are attempted here to evaluate the ...

S. K. Deb; C. M. Kishtawal; P. K. Pal

2010-03-01T23:59:59.000Z

389

Life-Cycle Water Impacts of U.S. Transportation Fuels  

E-Print Network (OSTI)

CO, 1974; An Assessment of Oil Shale Technologies. Office ofWater Requirements for an Oil Shale Plant Based on ParahoControls for a Commercial Oil Shale Industry. Volume 1. An

Scown, Corinne Donahue

2010-01-01T23:59:59.000Z

390

Life-Cycle Water Impacts of U.S. Transportation Fuels  

E-Print Network (OSTI)

it into nuclear, coal-fired plants, hydroelectricity, etc.comparison, a large coal-fired plant capacity is around 1water use for coal-fired power plants and nuclear plants are

Scown, Corinne Donahue

2010-01-01T23:59:59.000Z

391

The impact of passive safety systems on desirability of advanced light water reactors  

E-Print Network (OSTI)

This work investigates whether the advanced light water reactor designs with passive safety systems are more desirable than advanced reactor designs with active safety systems from the point of view of uncertainty in the ...

Eul, Ryan C

2006-01-01T23:59:59.000Z

392

Assessment of impacts from water level fluctuations on fish in the Hanford Reach, Columbia River  

DOE Green Energy (OSTI)

Observations on the effects of water level fluctuations in the Hanford Reach of the Columbia River, Washington, were made in 1976 and 1977. The two years provided contrasting flow regimes: high water and fluctuations of greater magnitude prevailed in 1976; low water and higher temperatures prevailed in 1977. Situations where fish and other aquatic organisms were destroyed by changing water levels were observed and evaluated each year in three study areas: Hanford, F-Area, and White Bluffs sloughs. Losses primarily were due to stranding, entrapment (with or without complete dewatering), and predation. Juvenile fish were more susceptible to entrapment and stranding than were adult fish. Estimates of actual losses were biased and conservative because relatively few fish could be found after each decline of water level and dewatering. The most valued species of fish affected by water level fluctuations at Hanford were the anadromus fall chinook salmon (Oncorhynchus tshawytscha) and the resident smallmouth bass (Micropterus dolomieui). Crucial periods for chinook salmon occurred during winter when incubating eggs were in the gravel of the main channel, and before and during seaward migration in the spring when fry were abundant in shoreline zones. The crucial period for smallmouth bass was during spring and early summer when adults were spawning in warmed sloughs and shoreline zones. Chinook salmon and smallmouth bass fry were vulnerable to stranding and entrapment, and smallmouth bass nests were susceptible to exposure and temperature changes resulting from repeated water level fluctuations. Thus, flow manipulation may be crucial to their survival. The extent to which other species of riverine fish were affected by water level fluctuations depended upon their use of shoreline zones for spawning and rearing young.

Becker, C.D.; Fickeisen, D.H.; Montgomery, J.C.

1981-05-01T23:59:59.000Z

393

Air quality analysis and related risk assessment for the Bonneville Power Administration's Resource Program Environmental Impact Statement  

SciTech Connect

The Bonneville Power Administration (BPA) is considering 12 different alternatives for acquiring energy resources over the next 20 years. Each of the alternatives utilizes a full range of energy resources (e.g., coal, cogeneration, conservation, and nuclear); however, individual alternatives place greater emphases on different types of power-producing resources and employ different timetables for implementing these resources. The environmental impacts that would result from the implementation of each alternative and the economic valuations of these impacts, will be an important consideration in the alternative selection process. In this report we discuss the methods used to estimate environmental impacts from the resource alternatives. We focus on pollutant emissions rates, ground-level air concentrations of basic criteria pollutants, the acidity of rain, particulate deposition, ozone concentrations, visibility attenuation, global warming, human health effects, agricultural and forest impacts, and wildlife impacts. For this study, pollutant emission rates are computed by processing BPA data on power production and associated pollutant emissions. The assessment of human health effects from ozone indicated little variation between the resource alternatives. Impacts on plants, crops, and wildlife populations from power plant emissions are projected to be minimal for all resource alternatives.

Glantz, C S; Burk, K W; Driver, C J; Liljegren, J C; Neitzel, D A; Schwartz, M N; Dana, M T; Laws, G L; Mahoney, L A; Rhoads, K

1992-04-01T23:59:59.000Z

394

The Use of Water Vapor as a Refrigerant: Impact of Cycle Modifications on Commercial Viability  

SciTech Connect

This project investigated the economic viability of using water as the refrigerant in a 1000-ton chiller application. The most attractive water cycle configuration was found to be a flash-intercooled, two-stage cycle using centrifugal compressors and direct contact heat exchangers. Component level models were developed that could be used to predict the size and performance of the compressors and heat exchangers in this cycle as well as in a baseline, R-134a refrigeration cycle consistent with chillers in use today. A survey of several chiller manufacturers provided information that was used to validate and refine these component models. The component models were integrated into cycle models that were subsequently used to investigate the life-cycle costs of both an R-134a and water refrigeration cycle. It was found that the first cost associated with the water as a refrigerant cycle greatly exceeded the savings in operating costs associated with its somewhat higher COP. Therefore, the water refrigeration cycle is not an economically attractive option to today's R-134a refrigeration system. There are a number of other issues, most notably the requirements associated with purging non-condensable gases that accumulate in a direct contact heat exchanger, which will further reduce the economic viability of the water cycle.

Brandon F. Lachner, Jr.; Gregory F. Nellis; Douglas T. Reindl

2004-08-30T23:59:59.000Z

395

EXTENSION WATER SUMMIT PRIORITY: WATER CONSERVATION  

E-Print Network (OSTI)

EXTENSION WATER SUMMIT PRIORITY: WATER CONSERVATION Leadership Team Subcommittee: Joan Bradshaw Michael Dukes Pierce Jones Kati Migliaccio #12;Water Conservation - Situation · Florida water supplies;Water Conservation Initiative 2: Enhancing and protecting water quality, quantity, and supply Priority 1

Slatton, Clint

396

Value impact analysis of Generic Issue 143, Availability of Heating, Ventilation, Air Conditioning (HVAC) and Chilled Water Systems  

Science Conference Proceedings (OSTI)

This study evaluates the values (benefits) and impacts (costs) associated with potential resolutions to Generic Issue 143, ``Availability of HVAC and Chilled Water Systems.`` The study identifies vulnerabilities related to failures of HVAC, chilled water, and room cooling systems; develops estimates of room heatup rates and safety-related equipment vulnerabilities following losses of HVAC/room cooler systems; develops estimates of the core damage frequencies and public risks associated with failures of these systems; develops three proposed resolution strategies to this generic issue; and performs a value/impact analysis of the proposed resolutions. Existing probabilistic risk assessments for four representative plants, including one plant from each vendor, form the basis for the core damage frequency and public risk calculations. Both internal and external events were considered. It was concluded that all three proposed resolution strategies exceed the $1,000/person-rem cost-effectiveness ratio. Additional evaluations were performed to develop ``generic`` insights on potential design-related and configuration-related vulnerabilities and potential high-frequency ({approximately}1E-04/RY) accident sequences that involve failures of HVAC/room cooling functions. It was concluded that, although high-frequency accident sequences may exist at some plants, these high-frequency sequences are plant-specific in nature or have been resolved through hardware and/or operational changes. The plant-specific Individual Plant Examinations are an effective vehicle for identification and resolution of these plant-specific anomalies and hardware configurations.

Daling, P.M.; Marler, J.E.; Vo, T.V.; Phan, H.; Friley, J.R. [Pacific Northwest Lab., Richland, WA (United States)

1993-11-01T23:59:59.000Z

397

Computeer-based decision support tools for evaluation of actions affecting flow and water quality in the San Joaquin Basin  

SciTech Connect

This document is a preliminary effort to draw together some of the important simulation models that are available to Reclamation or that have been developed by Reclamation since 1987. This document has also attempted to lay out a framework by which these models might be used both for the purposes for which they were originally intended and to support the analysis of other issues that relate to the hydrology and to salt and water quality management within the San Joaquin Valley. To be successful as components of a larger Decision Support System the models should to be linked together using custom designed interfaces that permit data sharing between models and that are easy to use. Several initiatives are currently underway within Reclamation to develop GIS - based and graphics - based decision support systems to improve the general level of understanding of the models currently in use, to standardize the methodology used in making planning and operations studies and to permit improved data analysis, interpretation and display. The decision support systems should allow greater participation in the planning process, allow the analysis of innovative actions that are currently difficult to study with present models and should lead to better integrated and more comprehensive plans and policy decisions in future years.

Quinn, N.W.T.

1993-01-01T23:59:59.000Z

398

Amending constructed roadside and urban soils with large volume-based compost applications: effects on water quality  

E-Print Network (OSTI)

Mineral nutrients imported in composted dairy manure (CDM) and municipal biosolid (CMB) amendments for highway-rights-of-way and urban landscapes can pose a threat to surface water quality. Treatments were developed to evaluate recommendations for amending roadside and urban soils with compost at large volumebased rates. Texas Department of Transportation (TxDOT) recommendations were evaluated in 2002 and 2003. Municipal recommendations were evaluated in 2004. Treatments were imposed on 4 by 1.5-m field plots on a constructed soil with an 8.5% slope. Three TxDOT compost application methods were tested; incorporation at 25% by volume (CMT), topdressing over vegetation (GUC), and topdressing a 5-cm compost woodchip mix over bare soil (ECC). In 2003, a 12.5% CMT treatment was substituted for the GUC, and two contrasting composts were compared. In 2002, soil test phosphorus (STP) concentrations (mg kg-1) were 291, 360, 410, and 1921 mg kg-1 in the 0 to 5-cm layer of a course textured CMT, fine textured CMT, GUC, and ECC treatments, respectively using CDM. In 2003, STP concentrations were 264, 439, 496,623, 1115, and 2203 mg kg-1, in the 0 to 5-cm layer after incorporation of CDM and CMB at the 12.5 and 25% volume-based rates, and topdressing the 5-cm CDM- or CMB-woodchip mix over bare soil, respectively. In 2004, contrasting CMB products, relatively low or high in total phosphorus (TP) were incorporated into the soil at 12.5 and 25% by volume, or imported in transplanted sod at the 25% by volume rate. The STP concentrations were 87, 147, 180, 301, 322, and 544 mg kg-1, respective to the previously defined treatments. Runoff water from 14, 10, and 8 natural rain events was used to characterize nutrient and sediment transport in 2002, 2003, and 2004, respectively. Concentration of TDP in runoff water was highly variable for roadside treatments across rain events. Mass losses of TDP were similar after CDM or CMB were incorporated into the soil at 12.5 and 25% by volume. Compost incorporation was the most effective method for limiting TP loss in runoff. Roadway and urban soils are expected to contribute greater TP losses as P concentration increases in soils.

Hansen, Nels Edward

2005-12-01T23:59:59.000Z

399

Impacts from oil and gas produced water discharges on the gulf of Mexico hypoxic zone.  

Science Conference Proceedings (OSTI)

Shallow water areas of the Gulf of Mexico continental shelf experience low dissolved oxygen (hypoxia) each summer. The hypoxic zone is primarily caused by input of nutrients from the Mississippi and Atchafalaya Rivers. The nutrients stimulate the growth of phytoplankton, which leads to reduction of the oxygen concentration near the sea floor. During the renewal of an offshore discharge permit used by the oil and gas industry in the Gulf of Mexico, the U.S. Environmental Protection Agency (EPA) identified the need to assess the potential contribution from produced water discharges to the occurrence of hypoxia. The EPA permit required either that all platforms in the hypoxic zone submit produced water samples, or that industry perform a coordinated sampling program. This paper, based on a report submitted to EPA in August 2005 (1), describes the results of the joint industry sampling program and the use of those results to quantify the relative significance of produced water discharges in the context of other sources on the occurrence of hypoxia in the Gulf of Mexico. In the sampling program, 16 facilities were selected for multiple sampling - three times each at one month intervals-- and another 34 sites for onetime sampling. The goal of the sampling program was to quantify the sources and amount of oxygen demand associated with a variety of Gulf of Mexico produced waters. Data collected included direct oxygen demand measured by BOD5 (5-day biochemical oxygen demand) and TOC (total organic carbon) and indirect oxygen demand measured by nitrogen compounds (ammonia, nitrate, nitrate, and TKN [total Kjeldahl nitrogen]) and phosphorus (total phosphorus and orthophosphate). These data will serve as inputs to several available computer models currently in use for forecasting the occurrence of hypoxia in the Gulf of Mexico. The output of each model will be compared for consistency in their predictions and then a semi-quantitative estimate of the relative significance of produced water inputs to hypoxia will be made.

Parker, M. E.; Satterlee, K.; Veil, J. A.; Environmental Science Division; ExxonMobil Production Co.; Shell Offshore

2006-01-01T23:59:59.000Z

400

The Impact of Land Cover Change on Surface Energy and Water Balance in Mato Grosso, Brazil  

Science Conference Proceedings (OSTI)

The sensitivity of surface energy and water fluxes to recent land cover changes is simulated for a small region in northern Mato Grosso, Brazil. The Simple Biosphere Model (SiB2) is used, driven by biophysical parameters derived from the Moderate ...

Julia Pongratz; Lahouari Bounoua; Ruth S. DeFries; Douglas C. Morton; Liana O. Anderson; Wolfram Mauser; Carlos A. Klink

2006-10-01T23:59:59.000Z

Note: This page contains sample records for the topic "water quality impacts" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


401

The Impact of Dispersed Generation on Electric Power Quality at the Central and South West Services Wind Farm  

Science Conference Proceedings (OSTI)

Economic and environmental concerns have propelled the utility industry toward renewable and clean energy sources as alternatives to coal- and gas-fired power stations. This report presents the results of an evaluation to determine the power quality characteristics of a wind turbine generator at an Oklahoma wind farm which is connected to a 69-kV subtransmission system.

1997-06-17T23:59:59.000Z

402

Logic Design for On-Chip Test Clock Generation - Implementation Details and Impact on Delay Test Quality  

E-Print Network (OSTI)

This paper addresses delay test for SOC devices with high frequency clock domains. A logic design for on-chip high-speed clock generation, implemented to avoid expensive test equipment, is described in detail. Techniques for on-chip clock generation, meant to reduce test vector count and to increase test quality, are discussed. ATPG results for the proposed techniques are given.

Beck, Matthias; Kaibel, Martin; Poehl, Frank; Lin, Xijiang; Press, Ron

2011-01-01T23:59:59.000Z

403

Estimating catchment-scale impacts of wildfire on sediment and nutrient loads using the E2 catchment modelling framework  

Science Conference Proceedings (OSTI)

Approximately 1.3 million ha of forested and agricultural land in south-eastern Australia was burnt by wildfires in early 2003. This paper describes a modelling process to assess the impacts of the fires on the quality of receiving waters and river systems ... Keywords: Catchment modelling, E2, Nutrient loads, Sediment loads, Water quality, Wildfire

Paul M. Feikema; Gary J. Sheridan; Robert M. Argent; Patrick N. J. Lane; Rodger B. Grayson

2011-07-01T23:59:59.000Z

404

Western oil-shale development: a technology assessment. Volume 6: oil-shale development in the Piceance Creek Basin and potential water-quality changes  

SciTech Connect

This report brackets the stream quality changes due to pre-mining pumping activites required to prepare oil shale lease Tracts C-a and C-b for modified in situ retorting. The fluxes in groundwater discharged to the surface were identified for Tract C-b in a modeling effort by another laboratory. Assumed fluxes were used for Tract C-a. The quality of the groundwater aquifers of the Piceance Basin is assumed to be that reported in the literature. The changes are bracketed in this study by assuming all premining pumping is discharged to the surface stream. In one case, the pumped water is assumed to be of a quality like that of the upper aquifer with a relatively high quality. In the second case, the pumped water is assumed to come from the lower aquifer. Complete mixing and conservation of pollutants was assumed at sample points at the White River and at Lees Ferry of the Colorado River. A discussion of possible secondary effects of oil shale and coal mining is presented. In addition, a discussion of the uncertainties associated with the assumptions used in this study and alternative uses for the water to prevent stream contamination by oil shale development is provided.

1982-01-01T23:59:59.000Z

405

Indoor Air Quality Group  

Science Conference Proceedings (OSTI)

... CONTAM has been used at NIST to study the indoor air quality impacts of HVAC systems in single-family residential buildings, ventilation in large ...

2011-10-31T23:59:59.000Z

406

Mitigating the Impacts of Uncontrolled Air Flow on Indoor Environmental Quality and Energy Demand in Non-Residential Buildings  

SciTech Connect

This multi-faceted study evaluated several aspects of uncontrolled air flows in commercial buildings in both Northern and Southern climates. Field data were collected from 25 small commercial buildings in New York State to understand baseline conditions for Northern buildings. Laboratory wall assembly testing was completed at Syracuse University to understand the impact of typical air leakage pathways on heat and moisture transport within wall assemblies for both Northern and Southern building applications. The experimental data from the laboratory tests were used to verify detailed heat and moisture (HAM) simulation models that could be used to evaluate a wider array of building applications and situations. Whole building testing at FSEC's Building Science Laboratory (BSL) systematically evaluated the energy and IAQ impacts of duct leakage with various attic and ceiling configurations. This systematic test carefully controlled all aspects of building performance to quantify the impact of duct leakage and unbalanced flow. The newest features of the EnergyPlus building simulation tool were used to model the combined impacts of duct leakage, ceiling leakage, unbalanced flows, and air conditioner performance. The experimental data provided the basis to validate the simulation model so it could be used to study the impact of duct leakage over a wide range of climates and applications. The overall objective of this project was to transfer work and knowledge that has been done on uncontrolled air flow in non-residential buildings in Florida to a national basis. This objective was implemented by means of four tasks: (1) Field testing and monitoring of uncontrolled air flow in a sample of New York buildings; (2) Detailed wall assembly laboratory measurements and modeling; (3) Whole building experiments and simulation of uncontrolled air flows; and (4) Develop and implement training on uncontrolled air flows for Practitioners in New York State.

Hugh I. Henderson; Jensen Zhang; James B. Cummings; Terry Brennan

2006-07-31T23:59:59.000Z

407

Mitigating the Impacts of Uncontrolled Air Flow on Indoor Environmental Quality and Energy Demand in Non-Residential Buildings  

SciTech Connect

This multi-faceted study evaluated several aspects of uncontrolled air flows in commercial buildings in both Northern and Southern climates. Field data were collected from 25 small commercial buildings in New York State to understand baseline conditions for Northern buildings. Laboratory wall assembly testing was completed at Syracuse University to understand the impact of typical air leakage pathways on heat and moisture transport within wall assemblies for both Northern and Southern building applications. The experimental data from the laboratory tests were used to verify detailed heat and moisture (HAM) simulation models that could be used to evaluate a wider array of building applications and situations. Whole building testing at FSEC's Building Science Laboratory (BSL) systematically evaluated the energy and IAQ impacts of duct leakage with various attic and ceiling configurations. This systematic test carefully controlled all aspects of building performance to quantify the impact of duct leakage and unbalanced flow. The newest features of the EnergyPlus building simulation tool were used to model the combined impacts of duct leakage, ceiling leakage, unbalanced flows, and air conditioner performance. The experimental data provided the basis to validate the simulation model so it could be used to study the impact of duct leakage over a wide range of climates and applications. The overall objective of this project was to transfer work and knowledge that has been done on uncontrolled air flow in non-residential buildings in Florida to a national basis. This objective was implemented by means of four tasks: (1) Field testing and monitoring of uncontrolled air flow in a sample of New York buildings; (2) Detailed wall assembly laboratory measurements and modeling; (3) Whole building experiments and simulation of uncontrolled air flows; and (4) Develop and implement training on uncontrolled air flows for Practitioners in New York State.

Hugh I. Henderson; Jensen Zhang; James B. Cummings; Terry Brennan

2006-07-31T23:59:59.000Z

408

Impact of “Non-Behavioral Fixed Effects” on Water Use: Weather and Economic Construction Differences on Residential Water Use in Austin, Texas  

E-Print Network (OSTI)

1995). Residential water use and conservation effectiveness:s guide to water use and conservation. Austin, Texas. Theeffective measures for water conservation. A problem with

Tinker, Audrey; Bame, Sherry; Burt, Richard; Speed, Michael

2005-01-01T23:59:59.000Z

409

A Numerical Model for Evaluating the Impact of Noble Metal Chemical Addition in Boiling Water Reactors  

SciTech Connect

The technique of noble metal chemical addition (NMCA), accompanied by a low-level hydrogen water chemistry (HWC), is being employed by several U.S. nuclear power plants for mitigating intergranular stress corrosion cracking in the vessel internals of their boiling water reactors (BWRs). An improved computer model by the name of DEMACE was employed to evaluate the performance of NMCA throughout the primary coolant circuit (PCC) of a commercial BWR. The molar ratios of hydrogen to oxidizing species in the PCC under normal water chemistry and HWC are analyzed. The effectiveness of NMCA is justified by calculated electrochemical corrosion potential (ECP) around the PCC and in a local power range monitoring (LPRM) housing tube, in which practical in-vessel ECP measurements are normally taken.Prior to the modeling work for the BWR, the Mixed Potential Model, which is embedded in DEMACE and responsible for ECP calculation, was calibrated against both laboratory and plant ECP data. After modeling for various HWC conditions, it is found that the effectiveness of NMCA in the PCC of the selected BWR varies from region to region. In particular, the predicted ECP in the LPRM housing tube is notably different from that in the nearby bulk environment under NMCA, indicating that cautions must be given to a possible, undesirable outcome due to a distinct ECP difference between a locally confined area and the actual bulk environment.

Yeh, T.-K. [National Tsing-Hua University, Taiwan (China)

2002-10-15T23:59:59.000Z

410

Water and Sustainability (Volume 2): An Assessment of Water Demand, Supply, and Quality in the U.S. -- The Next Half Century  

Science Conference Proceedings (OSTI)

The fast growing demand for clean, fresh water -- coupled with the need to protect and enhance the environment -- has made many areas of the United States and the rest of the world vulnerable to water shortages for various human uses. As they interact with the electricity industry, these uses encompass agricultural irrigation, thermoelectric generation, municipal water/wastewater treatment and distribution, and industrial processes. The dependency of electricity supply and demand on water availability ca...

2002-03-01T23:59:59.000Z

411

Downscaled climate change impacts on agricultural water resources in Puerto Rico  

SciTech Connect

The purpose of this study is to estimate reference evapotranspiration (ET{sub o}), rainfall deficit (rainfall - ET{sub o}) and relative crop yield reduction for a generic crop under climate change conditions for three locations in Puerto Rico: Adjuntas, Mayaguez, and Lajas. Reference evapotranspiration is estimated by the Penman-Monteith method. Rainfall and temperature data were statistically downscaled and evaluated using the DOE/NCAR PCM global circulation model projections for the B1 (low), A2 (mid-high) and A1fi (high) emission scenarios of the Intergovernmental Panel on Climate Change Special Report on Emission Scenarios. Relative crop yield reductions were estimated from a function dependent water stress factor, which is a function of soil moisture content. Average soil moisture content for the three locations was determined by means of a simple water balance approach. Results from the analysis indicate that the rainy season will become wetter and the dry season will become drier. The 20-year mean 1990-2010 September rainfall excess (i.e., rainfall - ET{sub o} > 0) increased for all scenarios and locations from 149.8 to 356.4 mm for 2080-2100. Similarly, the 20-year average February rainfall deficit (i.e., rainfall - ET{sub o} < 0) decreased from a -26.1 mm for 1990-2010 to -72.1 mm for the year 2080-2100. The results suggest that additional water could be saved during the wet months to offset increased irrigation requirements during the dry months. Relative crop yield reduction did not change significantly under the B1 projected emissions scenario, but increased by approximately 20% during the summer months under the A1fi emissions scenario. Components of the annual water balance for the three climate change scenarios are rainfall, evapotranspiration (adjusted for soil moisture), surface runoff, aquifer recharge and change in soil moisture storage. Under the A1fi scenario, for all locations, annual evapotranspiration decreased owing to lower soil moisture, surface runoff decreased, and aquifer recharge increased. Aquifer recharge increased at all three locations because the majority of recharge occurs during the wet season and the wet season became wetter. This is good news from a groundwater production standpoint. Increasing aquifer recharge also suggests that groundwater levels may increase and this may help to minimize saltwater intrusion near the coasts as sea levels increase, provided that groundwater use is not over-subscribed.

Harmsen, E.W.; Miller, N.L.; Schlegel, N.J.; Gonzalez, J.E.

2009-04-01T23:59:59.000Z

412

Information retrieval system: impacts of water-level changes on uses of federal storage reservoirs of the Columbia River.  

DOE Green Energy (OSTI)

A project undertaken to provide the Bonneville Power Administration (BPA) with information needed to conduct environmental assessments and meet requirements of the National Environmental Policy Act (NEPA) and the Pacific Northwest Electric Power Planning and Conservation Act (Regional Act) is described. Access to information on environmental effects would help BPA fulfill its responsibilities to coordinate power generation on the Columbia River system, protect uses of the river system (e.g., irrigation, recreation, navigation), and enhance fish and wildlife production. Staff members at BPA identified the need to compile and index information resources that would help answer environmental impact questions. A computer retrieval system that would provide ready access to the information was envisioned. This project was supported by BPA to provide an initial step toward a compilation of environmental impact information. Scientists at Pacific Northwest Laboratory (PNL) identified, gathered, and evaluated information related to environmental effects of water level on uses of five study reservoirs and developed and implemented and environmental data retrieval system, which provides for automated storage and retrieval of annotated citations to published and unpublished information. The data retrieval system is operating on BPA's computer facility and includes the reservoir water-level environmental data. This project was divided into several tasks, some of which were conducted simultaneously to meet project deadlines. The tasks were to identify uses of the five study reservoirs, compile and evaluate reservoir information, develop a data entry and retrieval system, identify and analyze research needs, and document the data retrieval system and train users. Additional details of the project are described in several appendixes.

Fickeisen, D.H.; Cowley, P.J.; Neitzel, D.A.; Simmons, M.A.

1982-09-01T23:59:59.000Z

413

Impacts of Motor Vehicle Operation on Water Quality in the United States - Clean-up Costs and Policies  

E-Print Network (OSTI)

for Do-It-Yourselfers (DIY) because current engine designtarget Do-It-Yourselfers (DIY), who are responsible for mostIn a 2002 survey of California DIY conducted by Browning and

Nixon, Hilary; Saphores, Jean-Daniel

2007-01-01T23:59:59.000Z

414

Impacts of Motor Vehicle Operation on Water Quality in the United States - Clean-up Costs and Policies  

E-Print Network (OSTI)

Environmental externalities of motor-vehicle use in the US.Gasoline Cd Co Cr Cu Fe Mn Ni Motor Oil & Grease Antifreezecan often be traced to motor vehicle sources. According to

Nixon, Hilary; Saphores, Jean-Daniel

2007-01-01T23:59:59.000Z

415

Impacts of Delayed Drawdown on Aquatic Biota and Water Quality in Seasonally Managed Wetlands of the Grasslands Ecological Area  

E-Print Network (OSTI)

Fowl Ass. , 1995. Vymazal, Jan. Algae and Element Cycling inN and P content in the algae biomass. Likewise, inorganic Cof delayed wetland drawdown on algae and other aquatic biota

Quinn, Nigel W.T.

2009-01-01T23:59:59.000Z

416

Impacts of Motor Vehicle Operation on Water Quality in the United States - Clean-up Costs and Policies  

E-Print Network (OSTI)

improperly discharged used motor oil pollute streams, lakes,refined products such as motor oil and gasoline are moreeasily. Third, used motor oil often contains contaminants,

Nixon, Hilary; Saphores, Jean-Daniel

2007-01-01T23:59:59.000Z

417

Hawaii Energy Resource Overviews. Volume 4. Impact of geothermal resource development in Hawaii (including air and water quality)  

DOE Green Energy (OSTI)

The environmental consequences of natural processes in a volcanic-fumerolic region and of geothermal resource development are presented. These include acute ecological effects, toxic gas emissions during non-eruptive periods, the HGP-A geothermal well as a site-specific model, and the geothermal resources potential of Hawaii. (MHR)

Siegel, S.M.; Siegel, B.Z.

1980-06-01T23:59:59.000Z

418

Impacts of Motor Vehicle Operation on Water Quality in the United States - Clean-up Costs and Policies  

E-Print Network (OSTI)

oil and oil filter reimbursement checks, so check processing costsCosts of remediating underground storage tank leaks exceed benefits. Oil andOil Companies Pay US EPA to Settle Santa Monica MTBE Cleanup Costs,

Nixon, Hilary; Saphores, Jean-Daniel

2007-01-01T23:59:59.000Z

419

Impacts of Motor Vehicle Operation on Water Quality in the United States - Clean-up Costs and Policies  

E-Print Network (OSTI)

Environment 59, 467-476. Manitoba Association for ResourceDirty Oil. Winnipeg. Manitoba, Canada. Marxsen, C. S. (provinces (Alberta, Manitoba, and Saskatchewan) have

Nixon, Hilary; Saphores, Jean-Daniel

2007-01-01T23:59:59.000Z

420

Impacts of Motor Vehicle Operation on Water Quality in the United States - Clean-up Costs and Policies  

E-Print Network (OSTI)

Concrete Diesel Oil Engine Wear Source: Local Ordinances: ASources of Groundwater Pollution While used oil and usedused oil is likely the main hydrocarbon source to runoff (

Nixon, Hilary; Saphores, Jean-Daniel

2007-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "water quality impacts" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


421

Willamette Oxygen Supplementation Studies : Scale Analyses, Dexter Water Quality Parameters, and Adult Recoveries: Annual Progress Report, September 30, 1998-September 29, 1999.  

DOE Green Energy (OSTI)

This report examines the relationship between scale characteristics of returning adults to determine the fork length at which they entered the ocean. These lengths are then related to the length frequencies of fish in the various experimental groups at the time they left the hatchery. This report summarizes the water quality parameters at Dexter Rearing Ponds and presents the complete returns for all experimental groups.

Ewing, R.D.

1999-09-01T23:59:59.000Z

422

Downscaled climate change impacts on agricultural water resources in Puerto Rico  

Science Conference Proceedings (OSTI)

The purpose of this study is to estimate reference evapotranspiration (ET{sub o}), rainfall deficit (rainfall - ET{sub o}) and relative crop yield reduction for a generic crop under climate change conditions for three locations in Puerto Rico: Adjuntas, Mayaguez, and Lajas. Reference evapotranspiration is estimated by the Penman-Monteith method. Rainfall and temperature data were statistically downscaled and evaluated using the DOE/NCAR PCM global circulation model projections for the B1 (low), A2 (mid-high) and A1fi (high) emission scenarios of the Intergovernmental Panel on Climate Change Special Report on Emission Scenarios. Relative crop yield reductions were estimated from a function dependent water stress factor, which is a function of soil moisture content. Average soil moisture content for the three locations was determined by means of a simple water balance approach. Results from the analysis indicate that the rainy season will become wetter and the dry season will become drier. The 20-year mean 1990-2010 September rainfall excess (i.e., rainfall - ET{sub o} > 0) increased for all scenarios and locations from 149.8 to 356.4 mm for 2080-2100. Similarly, the 20-year average February rainfall deficit (i.e., rainfall - ET{sub o} crop yield reduction did not change significantly under the B1 projected emissions scenario, but increased by approximately 20% during the summer months under the A1fi emissions scenario. Components of the annual water balance for the three climate change scenarios are rainfall, evapotranspiration (adjusted for soil moisture), surface runoff, aquifer recharge and change in soil moisture storage. Under the A1fi scenario, for all locations, annual evapotranspiration decreased owing to lower soil moisture, surface runoff decreased, and aquifer recharge increased. Aquifer recharge increased at all three locations because the majority of recharge occurs during the wet season and the wet season became wetter. This is good news from a groundwater production standpoint. Increasing aquifer recharge also suggests that groundwater levels may increase and this may help to minimize saltwater intrusion near the coasts as sea levels increase, provided that groundwater use is not over-subscribed.

Harmsen, E.W.; Miller, N.L.; Schlegel, N.J.; Gonzalez, J.E.

2009-04-01T23:59:59.000Z

423

Impact on the steam electric power industry of deleting Section 316(a) of the Clean Water Act: Capital costs  

Science Conference Proceedings (OSTI)

Many power plants discharge large volumes of cooling water. In some cases, the temperature of the discharge exceeds state thermal requirements. Section 316(a) of the Clean Water Act (CWA) allows a thermal discharger to demonstrate that less stringent thermal effluent limitations would still protect aquatic life. About 32% of total US steam electric generating capacity operates under Section 316(a) variances. In 1991, the US Senate proposed legislation that would delete Section 316(a) from the CWA. This study, presented in two companion reports, examines how this legislation would affect the steam electric power industry. This report describes alternatives available to nuclear and coal-fired plants currently operating under variances. Data from 38 plants representing 14 companies are used to estimate the national cost of implementing such alternatives. Although there are other alternatives, most affected plants would be retrofitted with cooling towers. Assuming that all plants currently operating under variances would install cooling towers, the national capital cost estimate for these retrofits ranges from $22.7 billion to $24.4 billion (in 1992 dollars). The second report quantitatively and qualitatively evaluates the energy and environmental impacts of deleting the variance. Little justification has been found for removing the Section 316(a) variance from the CWA.

Veil, J.A.

1993-01-01T23:59:59.000Z

424

Energy and Economic Impacts of U.S. Federal Energy and Water Conservation Standards Adopted From 1987 through 2012  

E-Print Network (OSTI)

The Effect of Efficiency Standards on Water Use and WaterEnergy Efficiency Standards for Equipment: Additionaland Water Conservation Standards Adopted From 1987 Through

Meyers, Stephen

2013-01-01T23:59:59.000Z

425

Energy and Economic Impacts of U.S. Federal Energy and Water Conservation Standards Adopted From 1987 Through 2010  

E-Print Network (OSTI)

Federal Energy and Water Conservation Standards Adopted Fromof the energy and water conservation standards that havewe estimate the water conservation standards, together with

Meyers, Stephen

2013-01-01T23:59:59.000Z

426

Energy and Economic Impacts of U.S. Federal Energy and Water Conservation Standards Adopted From 1987 through 2012  

E-Print Network (OSTI)

Federal Energy and Water Conservation Standards Adopted Froms_federal_energy_an d_water_conservation_standards_adopted_Federal Energy and Water Conservation Standards Adopted From

Meyers, Stephen

2013-01-01T23:59:59.000Z

427

Energy and Economic Impacts of U.S. Federal Energy and Water Conservation Standards Adopted From 1987 Through 2011  

E-Print Network (OSTI)

Federal Energy and Water Conservation Standards Adopted FromFederal energy and water conservation standards adopted fromrespectively. The water conservation standards, together

Meyers, Stephen

2013-01-01T23:59:59.000Z

428

Air Quality  

NLE Websites -- All DOE Office Websites (Extended Search)

What We Monitor & Why » What We Monitor & Why » Air Quality Air Quality To preserve our existing wilderness-area air quality, LANL implements a conscientious program of air monitoring. April 12, 2012 Real-time data monitoring for particulate matter An air monitoring field team member tests one of LANL's tapered element oscillating microbalance samplers, which collects real-time particulate matter data. Contact Environmental Communication & Public Involvement P.O. Box 1663 MS M996 Los Alamos, NM 87545 (505) 667-0216 Email LANL monitors air quality 24 hours a day, 365 days a year. Why we monitor air LANL monitors many different pathways in order to assess their impact on workers, the public, animals, and plants. We monitor the air around the Laboratory to ensure our operations are not affecting the air of nearby

429

Furrow Diking Technology for Agricultural Water Conservation and its Impact on Crop Yields in Texas  

E-Print Network (OSTI)

Furrow diking is a practical, efficient and low-cost technique to conserve water and increase crop yields. Improvements in diker design and the increased use of herbicides have resulted in the rapid spread of furrow diking in the Texas High Plains and other regions. To quantify the long-term effects of diking on crop yields, a computer simulation approach was used. Three crop models for sorghum, corn and cotton were combined with surface runoff hydrology algorithms, based on the USDA-SCS curve number methodology. The combination models called SORDIKE, CORDIKE and COTDIKE were run to determine the effects of conserving the runoff (by diking) on crop yields. Three scenarios of not diking, diking in the growing season, and diking all year were simulated. Daily weather data for 25 years from five Texas regions were used for the analyses. Depending on the location, furrow diking in the growing season increased average annual sorghum yields by 320 to 570 kg/ha, corn yields by 180 to 570 kg/ha, and cotton lint yields by 10 to 20 kg/ha. Diking the land throughout the year increased mean annual yields by 440 to 1080 kg/ha of sorghum, 210 to 800 kg/ha of corn and 10 to 30 kg/ha of cotton lint. The study indicated that furrow diking can be a valuable management practice for about 3.4 million ha of cropped area in the semi-arid and sub-humid regions of Texas. The practice may be useful in other areas also, to mitigate the effects of short duration moisture stress on crop yields.

Krishna, J. Hari; Arkin, Gerald F.

1988-07-01T23:59:59.000Z

430

Evaluating Linkages of Weather Patterns and Water Quality Responses in South Florida Using a Synoptic Climatological Approach  

Science Conference Proceedings (OSTI)

Coastal ocean ecosystems are impacted by atmospheric conditions and events, including episodic severe systems such as hurricanes as well as more regular seasonal events. The complexity of the atmosphere–ocean relationship makes establishing ...

Scott C. Sheridan; Douglas E. Pirhalla; Cameron C. Lee; Varis Ransibrahmanakul

2013-02-01T23:59:59.000Z

431

Numerically Simulating the Hydrodynamic and Water Quality Environment for Migrating Salmon in the Lower Snake River, 2002-2003 Technical Report.  

DOE Green Energy (OSTI)

Summer temperatures in the Lower Snake River can be altered by releasing cold waters that originate from deep depths within Dworshak Reservoir. These cold releases are used to lower temperatures in the Clearwater and Lower Snake Rivers and to improve hydrodynamic and water quality conditions for migrating aquatic species. This project monitored the complex three-dimensional hydrodynamic and thermal conditions at the Clearwater and Snake River confluence and the processes that led to stratification of Lower Granite Reservoir (LGR) during the late spring, summer, and fall of 2002. Hydrodynamic, water quality, and meteorological conditions around the reservoir were monitored at frequent intervals, and this effort is continuing in 2003. Monitoring of the reservoir is a multi-year endeavor, and this report spans only the first year of data collection. In addition to monitoring the LGR environment, a three-dimensional hydrodynamic and water quality model has been applied. This model uses field data as boundary conditions and has been applied to the entire 2002 field season. Numerous data collection sites were within the model domain and serve as both calibration and validation locations for the numerical model. Errors between observed and simulated data varied in magnitude from location to location and from one time to another. Generally, errors were small and within expected ranges, although, as additional 2003 field data becomes available, model parameters may be improved to minimize differences between observed and simulated values. A two-dimensional, laterally-averaged hydrodynamic and water quality model was applied to the three reservoirs downstream of LGR (the pools behind Little Goose, Lower Monumental, and Ice Harbor Dams). A two-dimensional model is appropriate for these reservoirs because observed lateral thermal variations during summer and fall 2002 were almost negligible; however, vertical thermal variations were quite large (see USACE 2003). The numerical model was applied to each reservoir independently to simulate the time period between May 1 and October 1, 2002. Differences between observed and simulated data were small, although improvements to model coefficients may be performed as additional thermal data, collected in the reservoirs during 2003, becomes available.

Cook, C.; Richmond, M.; Coleman, A. (Pacific Northwest National Laboratory)

2003-06-01T23:59:59.000Z

432

The Development and Optimization of Techniques for Monitoring Water Quality on-Board Spacecraft Using Colorimetric Solid-Phase Extraction (C-SPE)  

Science Conference Proceedings (OSTI)

The main focus of this dissertation is the design, development, and ground and microgravity validation of methods for monitoring drinking water quality on-board NASA spacecraft using clorimetric-solid phase extraction (C-SPE). The Introduction will overview the need for in-flight water quality analysis and will detail some of the challenges associated with operations in the absence of gravity. The ability of C-SPE methods to meet these challenges will then be discussed, followed by a literature review on existing applications of C-SPE and similar techniques. Finally, a brief discussion of diffuse reflectance spectroscopy theory, which provides a means for analyte identification and quantification in C-SPE analyses, is presented. Following the Introduction, four research chapters are presented as separate manuscripts. Chapter 1 reports the results from microgravity testing of existing C-SPE methods and procedures aboard NASA's C-9 microgravity simulator. Chapter 2 discusses the development of a C-SPE method for determining the total concentration of biocidal silver (i.e., in both dissolved and colloidal forms) in water samples. Chapter 3 presents the first application of the C-SPE technique to the determination of an organic analyte (i.e., formaldehyde). Chapter 4, which is a departure from the main focus of the thesis, details the results of an investigation into the effect of substrate rotation on the kinetics involved in the antigen and labeling steps in sandwich immunoassays. These research chapters are followed by general conclusions and a prospectus section.

April Hill

2007-12-01T23:59:59.000Z

433

The use and impact of intraplant trading in the iron and steel industry to reduce water pollution  

Science Conference Proceedings (OSTI)

Economists have long proposed that market forces could be harnessed to achieve environmental goals more efficiently than regulations typically used. However, there have been few opportunities to test this concept in practice. The authors investigate the use and impact of one example of incentive-based environmental regulation. For more than ten years, the US Environmental Protection Agency has permitted iron and steel plants to distribute facility-wide water pollutant discharge limits among outfalls in whatever manner is determined by the plant to be least expensive. Although this intra-plant trading system is highly regulated to ensure environmental goals are achieved, it nonetheless serves as an excellent test case of the economic theory. At least ten iron and steel facilities have incorporated intra-plant trading in their discharge permits, with five trades still active. Estimates obtained from seven facilities indicate trading resulted in accumulated total savings compared to traditional technology-based limits of at least $122.7 million (1993 dollars), including capital and annual operation and maintenance costs. The net pollutant reductions permitted under trading range from less than one pound per day for most trades involving lead and zinc to several thousand pounds per day for some trades involving total suspended solids.

Kashmanian, R.M.; Podar, M.K.; Luttner, M.A. [Environmental Protection Agency, Washington, DC (United States); Graff, R.G. [Tellus Inst., Boston, MA (United States)

1995-12-01T23:59:59.000Z

434

4.0 IMPACTS OF THE PROPOSED ACTION AND ALTERNATIVES  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

0 IMPACTS OF THE PROPOSED ACTION AND ALTERNATIVES 0 IMPACTS OF THE PROPOSED ACTION AND ALTERNATIVES This chapter evaluates the environmental consequences of the proposed action (Section 4.1) and of the alternatives (Section 4.2) . The analysis focuses primarily on impacts associated with routine operation of the glass melter. In some instances (such as human health) , additional analysis is provided for accident conditions. 4.1 THE PROPOSED ACTION The proposed action was evaluated to determine the potential impacts of a number of environmental components, including air quality, surface water quality, and biological resources, as well as the potential effects to human health and safety. The potential impacts to these receptors are evaluated in the following subsections. No impact pathways were identified for land use, socioeconomics, or groundwater resources.

435

Energy and Economic Impacts of U.S. Federal Energy and Water Conservation Standards Adopted From 1987 Through 2011  

E-Print Network (OSTI)

The Effect of Efficiency Standards on Water Use and Water1989. Lamp Efficiency Standards for Massachusetts: AnalysisNational Efficiency Standards for Lamps, Motors, Showerheads

Meyers, Stephen

2013-01-01T23:59:59.000Z

436

Steam Quality  

E-Print Network (OSTI)

"STEAM QUALITY has been generally defined as the amount of moisture/vapor (or lack thereof) contained within steam produced from some form of boiler. It has long been used as the standard term for the measurement of ""wet or dry"" steam and as a means of measuring enthalpy. Totally dry steam is said to be ""saturated"" steam. It is sometimes defined as the ""dryness faction"". The term in its historical denotation refers to a physical attribute of the steam. That attribute being ""what is the percentage water vapor content of the steam"" as compared to the amount of steam. Dry saturated steam is steam which carries no water vapor with it and is defined as having a quality of 1.00 (100%). Since water vapor is always present at the interface between the water level and the steam in a boiler, some water vapor will always tend to pass through the system with the steam. Hence, a continuing problem. If steam does carry water vapor past the separators it will tend to coalesce as a liquid, and in doing so it also will carry boiler chemicals with it."

Johnston, W.

1989-09-01T23:59:59.000Z

437

Pacific Gas and Electric Company’s Comments on the State Water Resources Control Board’s Proposed Policy Water Quality Control Policy on the Use of  

E-Print Network (OSTI)

Pacific Gas and Electric Company (PG&E) supports the protection of California’s marine resources through development of a consistent statewide policy implementing Section 316(b) of the Clean Water Act. As we have previously stated, we support efforts to transition away from once through cooling and have clearly demonstrated that support through the

Estuarine Waters; Power Plant Cooling

2009-01-01T23:59:59.000Z

438

Twenty-Plus Years of Environmental Change and Ecological Recovery of East Fork Poplar Creek: Background and Trends in Water Quality  

SciTech Connect

In May 1985, a National Pollutant Discharge Elimination System permit was issued for the Department of Energy's Y-12 National Security Complex (Y-12 Complex) in Oak Ridge, Tennessee, USA, allowing discharge of effluents to East Fork Poplar Creek (EFPC). The effluents ranged from large volumes of chlorinated once-through cooling water and cooling tower blow-down to smaller discharges of treated and untreated process wastewaters, which contained a mixture of heavy metals, organics, and nutrients, especially nitrates. As a condition of the permit, a Biological Monitoring and Abatement Program (BMAP) was developed to meet two major objectives: demonstrate that the established effluent limitations were protecting the classified uses of EFPC, and document the ecological effects resulting from implementing a Water Pollution Control Program at the Y-12 Complex. The second objective is the primary focus of the other papers in this special series. This paper provides a history of pollution and the remedial actions that were implemented; describes the geographic setting of the study area; and characterizes the physicochemical attributes of the sampling sites, including changes in stream flow and temperature that occurred during implementation of the BMAP. Most of the actions taken under the Water Pollution Control Program were completed between 1986 and 1998, with as many as four years elapsing between some of the most significant actions. The Water Pollution Control Program included constructing nine new wastewater treatment facilities and implementation of several other pollution-reducing measures, such as a best management practices plan; area-source pollution control management; and various spill-prevention projects. Many of the major actions had readily discernable effects on the chemical and physical conditions of EFPC. As controls on effluents entering the stream were implemented, pollutant concentrations generally declined and, at least initially, the volume of water discharged from the Y-12 Complex declined. This reduction in discharge was of ecological concern and led to implementation of a flow management program for EFPC. Implementing flow management, in turn, led to substantial changes in chemical and physical conditions of the stream: stream discharge nearly doubled and stream temperatures decreased, becoming more similar to those in reference streams. While water quality clearly improved, meeting water quality standards alone does not guarantee protection of a waterbody's biological integrity. Results from studies on the ecological changes stemming from pollution-reduction actions, such as those presented in this series, also are needed to understand how best to restore or protect biological integrity and enhance ecological recovery in stream ecosystems. With a better knowledge of the ecological consequences of their decisions, environmental managers can better evaluate alternative actions and more accurately predict their effects.

Smith, John G [ORNL; Stewart, Arthur J [ORNL; Loar, James M [ORNL

2011-01-01T23:59:59.000Z

439

Environmental Management (2008) 41:367–377 DOI 10.1007/s00267-007-9033-y Headwater Influences on Downstream Water Quality  

E-Print Network (OSTI)

Abstract We investigated the influence of riparian and whole watershed land use as a function of stream size on surface water chemistry and assessed regional variation in these relationships. Sixty-eight watersheds in four level III U.S. EPA ecoregions in eastern Kansas were selected as study sites. Riparian land cover and watershed land use were quantified for the entire watershed, and by Strahler order. Multiple regression analyses using riparian land cover classifications as independent variables explained among-site variation in water chemistry parameters, particularly total nitrogen (41%), nitrate (61%), and total phosphorus (63%) concentrations. Whole watershed land use explained slightly less variance, but riparian and whole watershed land use were so tightly correlated that it was difficult to separate their effects. Water chemistry parameters sampled in downstream reaches were most closely correlated with riparian land cover adjacent to the smallest (first-order) streams of watersheds or land use in the entire watershed, with riparian zones immediately upstream of sampling sites offering less explanatory power as stream size increased. Interestingly, headwater effects were evident even at times when these small streams were unlikely to be flowing. Relationships were similar among ecoregions, indicating that land use characteristics were most responsible for water quality variation among watersheds. These findings suggest that nonpoint pollution control

Walter K. Dodds; Æ Robert; M. Oakes; Ó Springer; W. K. Dodds; R. M. Oakes; R. M. Oakes

2007-01-01T23:59:59.000Z

440

Installation of River and Drain Instrumentation Stations to Monitor Flow and Water Quality and Internet Data Sharing  

E-Print Network (OSTI)

Over the last five years, the Paso del Norte Watershed Council’s Coordinated Water Resources Database and GIS Project (Project) was developed to provide improved access to regional water resources data for regional water stakeholders to make timely decisions in water operations and flood control. This report presents major components of the Project developed from August of 2005 through July of 2007 through funding provided by the United States Bureau of Reclamation (USBR) through the Water 2025 Challenge Grant Program to the El Paso Water Utilities, Texas A&M University, and New Mexico State University. Additional documentation of related Project activities is provided through final project reports being submitted by the City of Las Cruces (CLC) and Elephant Butte Irrigation District (EBID) for the work conducted through linked USBR-funded Projects. Tasks accomplished in the phase of work funded by the USBR include the following specific outcomes, which are detailed in later sections of the report: * Continued compilation and inclusion of new data sources identified as relevant by Project partners and users; * Installation and calibration of additional new monitoring stations and equipment and inclusion of these monitoring sites in web-based GIS map products to fill data gaps and provide additional real-time data; * Linking to additional monitoring sites being implemented by EBID through their Project work and inclusion of these sites and data in web-based GIS map products; * Development and implementation of a user needs survey focusing on new data sets of interest, enhanced access mechanisms, and other suggestions to improve the Project website; * Development and deployment of an online, downloadable Microsoft Access database of Project water resource data to provide search and query functions; * Development and deployment of an online help facility to make the site easier for users to navigate and use; * Exploration of new tools to enhance online data sharing and access; and * Implementation of suggestions compiled in the User Needs Assessment, including resolution of problems related to accessing the Project website using Firefox and Mozilla web browsers. Keywords: Paso del Norte watershed, water resources database, GIS map, ArcIMS, data sharing and transfer, user needs assessment, Rio Grande, Rio Grande Project, gage station, surface water flow, groundwater, downloadable Microsoft Access database.

Sheng, Z.; Brown, C.; Creel, B.; Srinivasan, R.; Michelsen, A.; Fahy, M. P.

2008-08-01T23:59:59.000Z