National Library of Energy BETA

Sample records for air quality control

  1. Georgia Air Quality Control Act (Georgia)

    Broader source: Energy.gov [DOE]

    The Georgia Air Quality Control Act (AQCA) is a set of environmental regulations, permitting requirements, and air quality standards that control the amount of pollutants emitted and who emits them...

  2. Indoor air quality control for improving passenger health in subway platforms using an outdoor air quality dependent ventilation system

    E-Print Network [OSTI]

    Indoor air quality control for improving passenger health in subway platforms using an outdoor air online 19 May 2015 Keywords: Ventilation control system Indoor air quality Indoor air pollution control Outdoor air quality Passenger health promotion Ventilation energy a b s t r a c t Indoor air quality (IAQ

  3. Vermont Air Pollution Control Regulations, Ambient Air Quality Standards (Vermont)

    Broader source: Energy.gov [DOE]

    The ambient air quality standards are based on the national ambient air quality standards. The Vermont standards are classified as primary and secondary standards and judged adequate to protect...

  4. Air Resources: Prevention and Control of Air Contamination and Air Pollution, Air Quality Classifications and Standards, and Air Quality Area Classifications (New York)

    Broader source: Energy.gov [DOE]

    These regulations establish emissions limits and permitting and operational requirements for facilities that may contribute to air emissions. General air quality standards and standards for...

  5. Using the Air Void Analyzer for Real-Time Quality Control Adjustments

    E-Print Network [OSTI]

    May 2006 Using the Air Void Analyzer for Real-Time Quality Control Adjustments in the Field Tech Brief by Jim Grove, P.E. Bob Steffes Mark Anderson-Wilk Overview of the Air Void Analyzer The air void analyzer (AVA) with its independent isolation base can be used to accurately evaluate the air void system

  6. 5 CCR 1001 - Air Quality Control | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION JEnvironmental Jump to:EAand Dalton JumpProgram | Open Energy Information 55 et - Air Quality

  7. Subtask 2.12 - Air Quality Assessment and Control

    SciTech Connect (OSTI)

    Laura Raymond

    2007-07-30

    Past particulate matter (PM) research projects conducted at the Energy & Environmental Research Center included data on PM size, morphology, and chemistry. The objective of this project was to improve automated analysis capabilities of the scanning electron microscope (SEM) equipped with an energy-dispersive spectrometer. The SEM is now able to perform particle-by-particle analysis on the desired number of particles and provide size, morphology, and chemistry information for each particle. A new x-ray and image analysis system was purchased and implemented for improvements to data acquisition and analysis. This new analysis system is equipped with a digital-pulse processor, allowing for the determination of pixel-by-pixel chemistry, which significantly enhances our ability to characterize PM and other materials. In addition, this system is personal computer-based, which allows programming of the SEM to perform the automated image analysis along with detailed chemical information. This permits the incorporation of particle classification algorithms within the same computer system as the analysis is conducted. Additionally, the new Spirit software can now integrate full SEM control with imaging, elemental identification, and electron backscatter diffraction (EBSD) operation. The EBSD system has also allowed for phase identification within the SEM. Reexamination of previous samples collected on a polycarbonate filter for ambient-air PM2.5 analysis has shown that crystalline identification of individual particles can be done without further sample preparation or modification of the sample and/or sampling substrate.

  8. Air Quality

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Outreach Home Room News Publications Traditional KnowledgeAgenda Agenda NERSC UserAgustin Mihi andAir Leaks inAir

  9. Air Quality

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 OutreachProductswsicloudwsiclouddenDVA N C E D B L O O D S TA I N P A T T E R N AManaged bynuevo sistemaAir

  10. Louisiana Air Control Law (Louisiana)

    Broader source: Energy.gov [DOE]

    This law states regulations for air quality control and states the powers and duties of the secretary of environmental quality. It provides information about permits and licenses, air quality...

  11. Air Quality: Air Pollutants, SLAC Emissions Sources, and Regulatory Reference

    E-Print Network [OSTI]

    Wechsler, Risa H.

    Air Quality: Air Pollutants, SLAC Emissions Sources, and Regulatory Reference Department: Chemical permit regulations are designed to track, record, and control air pollutants belonging to several on chemical classifications. This reference outlines major categories of air pollutants found at SLAC

  12. Indoor Air Quality

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    In Focus For decades, teams of Berkeley Lab scientists have investigated the ways that indoor air quality affects human health-from cognitive ability to personal comfort...

  13. Air Pollution Control Board (Virginia) | Department of Energy

    Broader source: Energy.gov (indexed) [DOE]

    Quality The Air Division in the Department of Environmental Quality and the State Air Pollution Control Board work together to control present and future sources of air...

  14. Workshop on indoor air quality research needs

    SciTech Connect (OSTI)

    Not Available

    1980-01-01

    Workshop participants report on indoor air quality research needs including the monitoring of indoor air quality, report of the instrumentation subgroup of indoor air quality, health effects, and the report of the control technology session. Risk analysis studies addressing indoor environments were also summarized. (DLS)

  15. Air Quality Rules (North Carolina) | Department of Energy

    Broader source: Energy.gov (indexed) [DOE]

    air quality rule for North Carolina that includes ambient air quality standards, emission control standards, monitoring and reporting requirements, and permitting procedures....

  16. Using a Ventilation Controller to Optimize Residential Passive Ventilation For Energy and Indoor Air Quality

    SciTech Connect (OSTI)

    Turner, William; Walker, Iain

    2014-08-01

    One way to reduce the energy impact of providing residential ventilation is to use passive and hybrid systems. However, these passive and hybrid (sometimes called mixed-mode) systems must still meet chronic and acute health standards for ventilation. This study uses a computer simulation approach to examine the energy and indoor air quality (IAQ) implications of passive and hybrid ventilation systems, in 16 California climate zones. Both uncontrolled and flow controlled passive stacks are assessed. A new hybrid ventilation system is outlined that uses an intelligent ventilation controller to minimise energy use, while ensuring chronic and acute IAQ standards are met. ASHRAE Standard 62.2-2010 – the United States standard for residential ventilation - is used as the chronic standard, and exposure limits for PM2.5, formaldehyde and NO2 are used as the acute standards.The results show that controlled passive ventilation and hybrid ventilation can be used in homes to provide equivalent IAQ to continuous mechanical ventilation, for less use of energy.

  17. Renewables and air quality

    SciTech Connect (OSTI)

    Wooley, D.R.

    2000-08-01

    The US heavy reliance on fossil fuels is a central obstacle to improving air quality and preventing catastrophic climate change. To solve this problem will require a combination of financial incentives and market rules that strongly encourage development of renewable energy resources to meet electric power demand. One promising policy option is to allow renewable energy resources to directly participate in air pollution emission trading mechanisms. Currently, the clean air benefits of renewable energy generally go unrecognized by regulators, under-appreciated by consumers and uncompensated by markets. Renewable energy is a key clean air alternative to conventional electricity generation, and the development of renewables could be stimulated by changes to the Clean Air Act's emissions trading programs. As Congress revisits clean air issues over the next several years, renewable energy representatives could push for statutory changes that reward the renewable energy industry for the air quality benefits it provides. By also becoming involved in key US Environmental Protection Agency (EPA) and state rule-making cases, the renewables industry could influence the structure of emissions trading programs and strengthen one of the most persuasive arguments for wind, solar and biomass energy development.

  18. Biological Air Emissions Control

    Office of Energy Efficiency and Renewable Energy (EERE)

    Air quality standards are becoming more stringent for the U.S. wood products industry. Emissions of volatile organic compounds (VOCs) and hazardous air pollutants (HAPs) (including methanol,...

  19. Nebraska Air Quality Regulations (Nebraska)

    Broader source: Energy.gov [DOE]

    These regulations, promulgated by the Department of Environmental Quality, contain provisions pertaining to ambient air quality standards, pollution source operating permits, emissions reporting,...

  20. Tennessee Air Quality Act (Tennessee)

    Broader source: Energy.gov [DOE]

    The Tennessee Air Quality Act (AQA) delegates the power to maintain air quality in the State to the Department of Environment and Conservation. Under the Department of the Environment and...

  1. Studien-und Prfungsordnung der Universitt Stuttgart fr den auslandsorientierten Studiengang Air Quality Control, Solid Waste and Waste Water Process Engineering

    E-Print Network [OSTI]

    Reyle, Uwe

    Air Quality Control, Solid Waste and Waste Water Process Engineering (WASTE) mit Abschluss Master Quality Control, Solid Waste and Waste Water Process Engineering" (WASTE) beschlossen. Der Rektor hat Control, Solid Waste and Waste Water Process Engineering" (WASTE) überblickt werden, die Fähigkeit

  2. Optimal Airflow Control for Laboratory Air Handling Unit (LAHU) Systems 

    E-Print Network [OSTI]

    Cui, Y.; Liu, M.; Conger, K.

    2002-01-01

    the indoor air quality, This paper presents modeling, optimization procedures and optimal airflow control sequences....

  3. Air temperature thresholds for indoor comfort and perceived air quality

    E-Print Network [OSTI]

    Zhang, Hui; Edward, Arens; Pasut, Wilmer

    2012-01-01

    in the Netherlands, Indoor Air 2, 127 – 136. BuildingPaliaga, G. (2009) Moving air for comfort. ASHRAE Journal,ventilation system on perceived air quality, Indoor Air

  4. Indoor air quality: Selected references

    SciTech Connect (OSTI)

    Not Available

    1989-05-01

    This document was compiled in response to an increasing number of requests for information about indoor air quality, including sick-building syndrome. Included in the publication are the NIOSH Congressional testimony presented before the Subcommittee on Energy Development and Applications; two articles describing the results of NIOSH research and findings on indoor air-quality problems; NIOSH guidance on conducting indoor-air-quality investigations; and a description of the NIOSH health-hazard evaluation program, which can provide NIOSH assistance in evaluating indoor-air-quality problems.

  5. Determining the Right Air Quality for Your Compressed Air System...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Applications Plant Air Air tools, general plant air Instrument Air Laboratories, paint spraying, powder coating, climate control Process Air Food and pharmaceutical process...

  6. Chapter 21 Air Quality

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    are in the PortlandVancouver metro area where there are more industrial sources of air pollution and higher levels of traffic congestion that create more air emissions....

  7. Quality-Controlled Upper-Air Sounding Dataset for DYNAMO/CINDY/AMIE: Development and Corrections

    SciTech Connect (OSTI)

    Ciesielski, Paul; Yu, Hungjui; Johnson, Richard; Yoneyama, Kunio; Katsumata, Masaki; Long, Charles N.; Wang, Junhong; Loehrer, Scot; Young, Kate; Williams, S.; Brown, William; Braun, John; Van Hove, Terese

    2014-04-01

    The upper-air sounding network for DYNAMO (Dynamics of the Madden-Julian Oscillation or MJO) has provided an unprecedented set of observations for studying the MJO over the Indian Ocean (IO) where coupling of this oscillation with deep convection first occurs. With 72 sounding sites and dropsonde data from 13 aircraft mission, the sonde network covers the tropics from Eastern African to the West Pacific. In total nearly 26,000 sondes were collected from this network during the experiment’s 6-month extended observing period (from October 2011 to March 2012). Slightly more than half of the sondes, collected from 33 sites, are at high vertical resolution. Rigorous post-field phase processing of the sonde data included several levels of quality checks and a variety of corrections which address a number of issues (e.g., daytime dry bias, baseline surface data errors, ship deck-heating effects, artificial dry spikes in slow ascent sondes). Because of the importance of an accurate description of the moisture field in meeting the scientific goals of the experiments, particular attention is given to humidity correction and its validation. The humidity corrections, though small relative to some previous field campaigns, produced high fidelity moisture analyses in which sonde precipitable water compared well with independent estimates. An assessment of model operational analyses moisture using corrected sonde data shows an overall good agreement with the exception at upper-levels where model moisture and clouds are more abundant than the sounding data would indicate.

  8. Air Pollution Control Program (South Dakota) | Department of...

    Broader source: Energy.gov (indexed) [DOE]

    Provider South Dakota Department of Environment and Natural Resources South Dakota's Air Pollution Control Program is intended to maintain air quality standards through...

  9. Air Emission Regulations for the Prevention, Abatement, and Control...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Siting and Permitting Provider Department of Environmental Quality The Air Emission Regulation for the Prevention, Abatement and Control of Air Contaminants is relevant to all...

  10. Combustion Air Control 

    E-Print Network [OSTI]

    Hughart, C. L.

    1979-01-01

    to 100%. If the air and fuel controls are on automatic but the flue gas oxygen content cannot be lowered to 4% oxygen without the boiler smoking, burner problems may be suspected. The trouble may be traced to dirty or improperly assembled oil guns..., combustion air distribution problems, vaporizing steam control problems, oil viscosity, or flow control problems. It is very important to have all oil guns operating properly before proceeding with a combustion test. The minimum stack gas oxygen level you...

  11. Social Media: Air Quality #SummerSafety

    E-Print Network [OSTI]

    than adults to the health effects caused by air pollution. http://cdc.gov/air/air_health.htm #SummerSafety Twitter: Children and teens may be more sensitive than adults to air pollution. http://cdc.gov/air/air Social Media: Air Quality #SummerSafety Please help the NWS spread these important safety

  12. Equivalence in Ventilation and Indoor Air Quality

    SciTech Connect (OSTI)

    Sherman, Max; Walker, Iain; Logue, Jennifer

    2011-08-01

    We ventilate buildings to provide acceptable indoor air quality (IAQ). Ventilation standards (such as American Society of Heating, Refrigerating, and Air-Conditioning Enginners [ASHRAE] Standard 62) specify minimum ventilation rates without taking into account the impact of those rates on IAQ. Innovative ventilation management is often a desirable element of reducing energy consumption or improving IAQ or comfort. Variable ventilation is one innovative strategy. To use variable ventilation in a way that meets standards, it is necessary to have a method for determining equivalence in terms of either ventilation or indoor air quality. This study develops methods to calculate either equivalent ventilation or equivalent IAQ. We demonstrate that equivalent ventilation can be used as the basis for dynamic ventilation control, reducing peak load and infiltration of outdoor contaminants. We also show that equivalent IAQ could allow some contaminants to exceed current standards if other contaminants are more stringently controlled.

  13. Maintaining System Air Quality | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Maintaining System Air Quality (August 2004) More Documents & Publications Remove Condensate with Minimal Air Loss Engineer End Uses for Maximum Efficiency Stabilizing System...

  14. Ambient Air Quality Criteria (Manitoba, Canada)

    Broader source: Energy.gov [DOE]

    The Manitoba Ambient Air Quality Criteria schedule lists maximum time-based pollutant concentration levels for the protection and preservation of ambient air quality within the Province of Manitoba...

  15. Chapter 53 Ambient Air Quality (Kentucky)

    Broader source: Energy.gov [DOE]

    Kentucky Administrative Regulation Chapter 53, entitled Ambient Air Quality, is promulgated under the authority of the Division of Air Quality within the Energy and Environment Cabinet’s Department...

  16. TEAMS: Indoor Air Quality (IAR) Program 

    E-Print Network [OSTI]

    Melton, V.

    2008-01-01

    The Carrollton-Farmers Branch Independent School District (“CFBISD”) found the need to reduce air quality concerns and complaints, and find an effective and efficient method to reduce the rising cost of utilities. An Indoor Air Quality (IAQ) program...

  17. Determining the Right Air Quality for Your Compressed Air System - Compressed Air Tip Sheet #5

    SciTech Connect (OSTI)

    2004-08-01

    BestPractices Program tip sheet discussing how to determine the right air quality for compressed air systems.

  18. Indoor Air Quality Poor indoor air quality comes from many sources. It can lead to having

    E-Print Network [OSTI]

    Indoor Air Quality Fact Sheet Poor indoor air quality comes from many sources. It can lead Indoor Air Pollutants · Molds · Pollen · Dander from pet fur · Secondhand smoke · Formaldehyde · Carbon such as cleaners and pesticides How to Improve Indoor Air Quality · Open windows when you can to let in fresh air

  19. Probe into Gaseous Pollution and Assessment of Air Quality Benefit under Sector Dependent Emission Control Strategies over Megacities in Yangtze River Delta, China

    SciTech Connect (OSTI)

    Dong, Xinyi; Gao, Yang; Fu, Joshua S.; Li, Juan; Huang, Kan; Zhuang, G.; Zhou, Ying

    2013-11-01

    On February 29th 2012, China published its new National Ambient Air Quality Standard (CH-NAAQS) aiming at revising the standards and measurements for both gaseous pollutants including ozone (O3), nitrogen dioxide (NO2), and sulfur dioxide (SO2), and also particle pollutants including PM10 and PM2.5. In order to understand the air pollution status regarding this new standard, the integrated MM5/CMAQ modeling system was applied over Yangtze River Delta (YRD) within this study to examine the criteria gaseous pollutants listed in the new CH-NAAQS. Sensitivity simulations were also conducted to assess the responses of gaseous pollutants under 8 different sector-dependent emission reduction scenarios in order to evaluate the potential control strategies. 2006 was selected as the simulation year in order to review the air quality condition at the beginning of China’s 11th Five-Year-Plan (FYP, from 2006 to 2010), and also compared with air quality status in 2010 as the end of 11th FYP to probe into the effectiveness of the national emission control efforts. Base case simulation showed distinct seasonal variation for gaseous pollutants: SO2, and NO2 were found to have higher surface concentrations in winter while O3 was found to have higher concentrations in spring and summer than other seasons. According to the analyses focused on 3 megacities within YRD, Shanghai, Nanjing, and Hangzhou, we found different air quality conditions among the cities: NO2 was the primary pollutant that having the largest number of days exceeding the CH-NAAQS daily standard (80 ?g/m3) in Shanghai (59 days) and Nanjing (27 days); SO2 was the primary pollutant with maximum number of days exceeding daily air quality standard (150 ?g/m3) in Hangzhou (28 days), while O3 exceeding the daily maximum 8-hour standard (160 ?g/m3) for relatively fewer days in all the three cities (9 days in Shanghai, 14 days in Nanjing, and 11 days in Hangzhou). Simulation results from predefined potential applicable emission control scenarios suggested significant air quality improvements from emission reduction: 90% of SO2 emission removed from power plant in YRD would be able to reduce more than 85% of SO2 pollution, 85% NOx emission reduction from power plant would reduce more than 60% of NO2 pollution, in terms of reducing the number of days exceeding daily air quality standard. NOx emission reduction from transportation and industry were also found to effectively reduce NO2 pollution but less efficient than emission control from power plants. We also found that multi-pollutants emission control including both NOx and VOC would be a better strategy than independent NOx control over YRD which is China’s 12th Five-Year-Plan (from 2011 to 2015), because O3 pollution would be increased as a side effect of NOx control and counteract NO2 pollution reduction benefit.

  20. Performance and Portability of an Air Quality Model Donald Dabdub

    E-Print Network [OSTI]

    Manohar, Rajit

    and planning for the control of air pollution episodes. The California Institute of Technology (CIT) photochemical model is one such air quality model. It is used to predict the pollution dynamics in the South Coast Air Basin of California. It has also been modified to model pollution in South Korea, Mexico

  1. Air Quality | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX ECoop IncIowaWisconsin: Energy ResourcesAir Quality Jump to: navigation, search

  2. Air temperature thresholds for indoor comfort and perceived air quality

    E-Print Network [OSTI]

    Zhang, Hui; Edward, Arens; Pasut, Wilmer

    2012-01-01

    caused by office's thermal Environment, J. Archit. Plann.Standard 55- 2010. Thermal environment conditions for humanindoor air quality, thermal environment, lighting and

  3. Air quality VI details environmental progress

    SciTech Connect (OSTI)

    2007-12-31

    A report is given of the International Conference on Air Quality VI where key topics discussed were control of mercury, trace elements, sulphur trioxide and particulates. This year a separate track was added on greenhouse gas reduction, with panels on greenhouse gas policy and markets, CO{sub 2} capture and sequestration, and monitoring, mitigation and verification. In keynote remarks, NETL Director Carl Bauer noted that emissions have gone down since 1990 even though coal consumption has increased. The conference provided an overview of the state-of-the-science regarding key pollutants and CO{sub 2}, the corresponding regulatory environment, and the technology readiness of mitigation techniques. 1 photo.

  4. Data Driven Quality Assurance and Quality Control

    Broader source: Energy.gov [DOE]

    "Data Driven Quality Assurance & Quality Control," Patrick Roche, Conservation Services Group. Provides an overview of data QA/QC system design.

  5. Air Resources: Prevention and Control of Air Contamination and...

    Broader source: Energy.gov (indexed) [DOE]

    limits and permitting and operational requirements for facilities that may contribute to air emissions. General air quality standards and standards for specific contaminants are...

  6. Indoor Air Quality Forms 195 Building: _________________________________________________________ File Number: ________________________________

    E-Print Network [OSTI]

    Indoor Air Quality Forms 195 Building in relation to indoor air quality. Page 1 of 14 Needs Attention Not ApplicableOKComponent Comments Outside Air Screen Unobstructed? General condition? Size of mesh? (1 /2" minimum) Outside Air Dampers Operation

  7. Air Quality Impact of Distributed Generation of Electricity

    E-Print Network [OSTI]

    Jing, Qiguo

    2011-01-01

    of the near source air quality impact of distributedDabdub, D. , 2003. Urban Air quality impacts of distributedDabdub, D. , 2004. Urban Air quality impacts of distributed

  8. Investigative Tools and Techniques for Indoor Air Quality Studies 

    E-Print Network [OSTI]

    Kennedy, S. R.; Quinn, C. B.; Henderson, J. E.; Vickery, R. G.

    1994-01-01

    Indoor air quality problems are diverse and often complex. Adverse indoor air quality problems can exist which create symptomatic conditions for building occupants. Often, the exact cause, or causes, of the substandard indoor air quality are unknown...

  9. INDOOR AIR QUALITY IN ENERGY-EFFICIENT BUILDINGS

    E-Print Network [OSTI]

    Hollowell, Craig D.

    2011-01-01

    for studies of indoor air quality and energy utilization inExt. 6782 Indoor Air Quality in Energy- Buildings Craig D.1, 1979) Indoor Air Quality in Energy~Efficient LBL-8892 EEB

  10. Air Quality Regulations (Pennsylvania) | Department of Energy

    Broader source: Energy.gov (indexed) [DOE]

    as pollution control devices, boilers, fuels and paints at 3,650 facilities that produce air pollution in Pennsylvania. The program administers the rules and regulations of the...

  11. 2012 National Tribal Forum on Air Quality

    Broader source: Energy.gov [DOE]

    This forum on improving air quality will take place May 22-24, 2012, in Tulsa, Oklahoma. It is co-sponsored by the Institute for Tribal Environmental Professionals (ITEP) and the National Tribal...

  12. Air quality resolution for health impact assessment

    E-Print Network [OSTI]

    Air quality resolution for health impact assessment: influence of regional characterstics* T to: discover new interactions among natural and human climate system components; objectively assess future; and improve methods to model, monitor and verify greenhouse gas emissions and climatic impacts

  13. Operation & Maintenance for Quality Indoor Air 

    E-Print Network [OSTI]

    Downing, C.; Bayer, C. W.

    1990-01-01

    The results of numerous Indoor Air Quality (IAQ) building investigations conducted by the Georgia Tech Research Institute have shown that building Operation and Maintenance (O&M) is a very common source of IAQ problems. This paper presents...

  14. Indoor Air Quality Poor indoor air quality can cause a stuffy nose, sore throat,

    E-Print Network [OSTI]

    products such as cleaners and bug sprays » Outdoor air pollution from factories, vehicles, wildfires allergies may have severe reactions. Common Indoor Air Pollutants Poor indoor air quality comes from many have asthma triggered by outdoor air pollution or pollen, opening windows might not be a good idea

  15. Opening Remarks, Achieving Air Quality and Climate Change Goals...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Air Quality and Climate Change Goals through Energy and Transportation Transformation Analisa Bevan CARB May 14, 2014 Sacramento California Healthy Air Quality for All...

  16. ENERGY STAR Webinar: Energy Savings Plus Health: Indoor Air Quality...

    Office of Environmental Management (EM)

    Energy Savings Plus Health: Indoor Air Quality Guidelines for School Building Upgrades ENERGY STAR Webinar: Energy Savings Plus Health: Indoor Air Quality Guidelines for School...

  17. Air Quality Modeling in the South Coast Air Basin of California: What Do the Numbers Really Mean?

    E-Print Network [OSTI]

    Dabdub, Donald

    photochemical air quality models are used by regulatory agencies to design emission control strategies that lead models. For instance, it reported statistical errors in the prediction of O3 and NOx concentration and emission controls. Fine et al.2 identified different sources of uncertainty on air quality models

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

    E-Print Network [OSTI]

    Carerras-Sospedra, Marc

    2012-01-01

    Emissions 7.3 Impacts of LNG on Air Quality 8. References 9.El Paso at Blythe. Chapter 3: Air Quality Impact AssessmentRespect to the South Coast Air Quality Management District

  19. On-Road Air Quality and the Effect of Partial Recirculation on In-Cabin Air Quality for Vehicles

    E-Print Network [OSTI]

    Grady, Michael

    2013-01-01

    The proposed fractional air recirculation system canThe suggested fractional air recirculation method is away of improving cabin air quality. References [1] U.S. DOT.

  20. EIS-0127: New Energy-Efficient Homes Programs, Assessing Indoor Air Quality Options

    Broader source: Energy.gov [DOE]

    The Bonneville Power Administration developed this EIS to explore whether different building techniques will control indoor air quality and still maintain cost-effective energy savings.

  1. Leads Tactical Air Control Party (TACP) and Air Support

    E-Print Network [OSTI]

    Stuart, Steven J.

    Air LiAison officer Leads Tactical Air Control Party (TACP) and Air Support Operations Center (ASOC) operations. Provides Command and Control, and Execution of Air, Space, and Cyber power. Primary advisor and advocate to the Ground Force Commander ensuring effective Air, Space, and Cyber power integration with US

  2. Air pollution kills. So what? Air quality engineering to improve public health

    E-Print Network [OSTI]

    Levinson, David M.

    9/14/12 1 Air pollution kills. So what? Air quality engineering to improve public health;9/14/12 2 Air Quality Engineering H Air Quality Engineering H #12;9/14/12 3 Really? Air pollution running out of coffins and florists were running out of flowers. -- BBC #12;9/14/12 4 Air pollution

  3. Comparing air quality impacts of hydrogen and gasoline

    E-Print Network [OSTI]

    Sperling, Dan; Wang, Guihua; Ogden, Joan M.

    2008-01-01

    of natural gas to hydrogen pathways on urban air quality.natural gas extraction and pipeline transport on air qualitynatural gas-based hydrogen pathways in terms of the resulting changes in urban air quality.

  4. Emerging Latin American air quality regulation

    SciTech Connect (OSTI)

    Hosmer, A.W.; Vitale, E.M.; Guerrero, C.R.; Solorzano-Vincent, L.

    1998-12-31

    Latin America is the most urbanized region in the developing world. In recent years, significant economic growth has resulted in population migration from rural areas to urban centers, as well as in a substantial rise in the standard of living within the Region. These changes have impacted the air quality of Latin American countries as increased numbers of industrial facilities and motor vehicles release pollutants into the air. With the advent of new free trade agreements such as MERCOSUR and NAFTA, economic activity and associated pollutant levels can only be expected to continue to expand in the future. In order to address growing air pollution problems, many Latin America countries including Argentina, Brazil, Chile, Columbia, Costa Rica, and Mexico have passed, or will soon pass, new legislation to develop and strengthen their environmental frameworks with respect to air quality. As a first step toward understanding the impacts that this increased environmental regulation will have, this paper will examine the regulatory systems in six Latin American countries with respect to ambient air quality and for each of these countries: review a short history of the air quality problems within the country; outline the legal and institutional framework including key laws and implementing institutions; summarize in brief the current status of the country in terms of program development and implementation; and identify projected future trends. In addition, the paper will briefly review the international treaties that have bearing on Latin American air quality. Finally, the paper will conclude by identifying and exploring emerging trends in individual countries and the region as a whole.

  5. Pilot Implementation of a Field Study Design to Evaluate the Impact of Source Control Measures on Indoor Air Quality in High Performance Homes

    SciTech Connect (OSTI)

    Widder, Sarah H.; Chamness, Michele A.; Petersen, Joseph M.; Singer, Brett C.; Maddalena, Randy L.; Destaillats, Hugo

    2014-10-20

    To improve the indoor air quality in new, high performance homes, a variety of standards and rating programs have been introduced to identify building materials that are designed to have lower emission rates of key contaminants of concern and a number of building materials are being introduced that are certified to these standards. For example, the U.S. Department of Energy (DOE) Zero Energy Ready Home program requires certification under the U.S. Environmental Protection Agency (EPA) Indoor airPLUS (IaP) label, which requires the use of PS1 or PS2 certified plywood and OSB; low-formaldehyde emitting wood products; low- or no-VOC paints and coatings as certified by Green Seal Standard GS-11, GreenGuard, SCS Indoor Advantage Gold Standard, MPI Green Performance Standard, or another third party rating program; and Green Label-certified carpet and carpet cushions. However, little is known regarding the efficacy of the IAP requirements in measurably reducing contaminant exposures in homes. The goal of this project is to develop a robust experimental approach and collect preliminary data to support the evaluation of indoor air quality (IAQ) measures linked to IAP-approved low-emitting materials and finishes in new residential homes. To this end, the research team of Pacific Northwest National Laboratory (PNNL) and Lawrence Berkeley National Laboratory (LBNL) developed a detailed experimental plan to measure IAQ constituents and other parameters, over time, in new homes constructed with materials compliant with IAP’s low-emitting material and ventilation requirements (i.e., section 6.1, 6.2, 6.3, and 7.2) and similar homes constructed to the state building code with conventional materials. The IAQ in IAP and conventional homes of similar age, location, and construction style is quantified as the differences in the speciated VOC and aldehyde concentrations, normalized to dilution rates. The experimental plan consists of methods to evaluate the difference between low-emitting and “conventional” materials as installed in newly constructed residential homes using both (1) highly controlled, short-term active samples to precisely characterize the building-related chemical emissions and building contents and (2) a week-long passive sample designed to capture the impact of occupant behavior and related activities on measured IAQ contaminant levels indoors. The combination of detailed short-term measurements with the home under controlled/consistent conditions during pre- and post-occupancy and the week-long passive sampling data provide the opportunity to begin to separate the different emission sources and help isolate and quantify variability in the monitored homes. Between April and August 2014, the research team performed pre-occupancy and post-occupancy sampling in one conventional home and two homes built with low-emitting materials that were generally consistent with EPA’s Indoor airPLUS guidelines. However, for a number of reasons, the full experimental plan was not implemented. The project was intended to continue for up to three years to asses long-term changes in IAQ but the project was limited to one calendar year. As a result, several of the primary research questions related to seasonal impacts and the long-term trends in IAQ could not be addressed. In addition, there were several unexpected issues related to recruiting, availability of home types, and difficulty coordinating with builders/realtors/homeowners. Several field monitoring issues also came up that provide “lessons learned” that led to improvements to the original monitoring plan. The project produced a good experimental plan that is expected to be be useful for future efforts collecting data to support answering these same or similar research questions.

  6. WearAir: Expressive T-shirts for Air Quality Sensing Sunyoung Kim and Eric Paulos

    E-Print Network [OSTI]

    Chen, Yiling

    are less proactively concerned with air quality. AIR POLLUTANT: VOLATILE ORGANIC COMPOUNDS Different types of air pollutants contribute to air quality in different locations: Ozone, CO, NOx and VOCs are major contributors to outdoor air pollution; and particulate matters, VOCs, carbon monoxide and lead are common air

  7. Laboratory QualityLaboratory Quality ControlControl

    E-Print Network [OSTI]

    Laboratory QualityLaboratory Quality ControlControl Nabil A. NIMER Dept . Biotechnology & Genetic thatQA is defined as the overall program that ensures that the final results reported by the laboratory areensures that the final results reported by the laboratory are correct.correct. ""The aim of quality

  8. Building Pressure Control in VAV System with Relief Air Fan 

    E-Print Network [OSTI]

    Pang, X.; Liu, M.; Zheng, B.

    2005-01-01

    Building Pressure Control in VAV Systems with Relief Air Fan Xiufeng Pang, Mingsheng Liu, PhD, P.E., Bin Zheng University of Nebraska, Lincoln—ESL 1110 So. 67 th St, Omaha, NE, 68182 Abstract Building pressure control is critical... to energy conservation and indoor air quality by preventing excessive infiltration or exfiltration. In the supply and the return/relief fan Air Handling Unit (AHU) system, better space pressurization can be achieved when return/relief fan operates...

  9. Colorado Air Pollution Control Division - Construction Permits...

    Open Energy Info (EERE)

    Colorado Air Pollution Control Division - Construction Permits Forms and Air Pollutant Emission Notices (APENs) Jump to: navigation, search OpenEI Reference LibraryAdd to library...

  10. WearAir: Expressive T-shirts for Air Quality Sensing Sunyoung Kim and Eric Paulos

    E-Print Network [OSTI]

    Paulos, Eric

    and health from people who are less proactively concerned with air quality. AIR POLLUTANT: VOLATILE ORGANIC COMPOUNDS Different types of air pollutants contribute to air quality in different locations: Ozone, CO, NOx and VOCs are major contributors to outdoor air pollution; and particulate matters, VOCs, carbon monoxide

  11. Building Air Quality Alliance Program fro Building Management 

    E-Print Network [OSTI]

    Kettler, G. J.

    1998-01-01

    IAQ increases. EPA studies rank indoor air pollution among the top five risks of environmental threats to public health. Guidance on achieving acceptable air quality and on preventing indoor air pollution is available. The 199 1 EPAMIOSH guide...

  12. Predicting air quality in smart environments Seun Deleawea

    E-Print Network [OSTI]

    Cook, Diane J.

    attributable to air pollution, 1.5 million of these from indoor air pollution. Worldwide there are more deathsPredicting air quality in smart environments Seun Deleawea , Jim Kusznirb , Brian Lambb and Diane J that is often overlooked in maintaining a healthy lifestyle is the air quality of the environment. In this paper

  13. General Provisions on Air Pollution Control (Ohio)

    Broader source: Energy.gov [DOE]

    This chapter of the law that establishes the Ohio Environmental Protection Agency outlines the air pollution rules to secure and maintain levels of air quality that are consistent with the...

  14. Methodological Issues in the Estimation of the Travel, Energy, and Air Quality Impacts of Telecommuting

    E-Print Network [OSTI]

    Mokhtarian, Patricia; Handy, Susan; Salomon, Ilan

    1995-01-01

    have analyzed the air quality and energy impacts, but mostits travel, air quality, and energy impacts, and illustrateTHE TRAVEL, ENERGY, AND AIR QUALITY IMPACTS OF TELECOMMUTING

  15. Arkansas Air Pollution Control Code (Arkansas)

    Broader source: Energy.gov [DOE]

    The Arkansas Air Pollution Control code is adopted pursuant to Subchapter 2 of the Arkansas Water and Air Pollution Control Act (Arkansas Code Annotated 8-4-101). ) By authority of the same State...

  16. Abatement of Air Pollution: Air Pollution Control Equipment and...

    Broader source: Energy.gov (indexed) [DOE]

    contain instructions for the operation and monitoring of air pollution control equipment, as well as comments on procedures in the event of equipment breakdown, failure, and...

  17. Indoor air quality in French dwellings Sverine Kirchner1,*

    E-Print Network [OSTI]

    Boyer, Edmond

    on Indoor Air Quality (OQAI) aims at collecting data on population exposure to indoor pollutants in various INTRODUCTION Our lack of understanding of the health risks related to air pollutants exposure in buildingsIndoor air quality in French dwellings Séverine Kirchner1,* , Mickael Derbez1 , Cédric Duboudin2

  18. PREV'AIR, a modeling platform for the air quality predictability study , C. Honor2

    E-Print Network [OSTI]

    Menut, Laurent

    PREV'AIR, a modeling platform for the air quality predictability study Menut L.1 , C. Honoré2 , L Ministère de l'écologie et du développement durable, Paris, France This platform is proposed by the PREV'AIR about PREV'AIR ? please send an e-mail to cecile.honore@ineris.fr 1. Introduction Since 2002, the PREV'AIR

  19. Assessment of Indoor Air Quality Benefits and Energy Costs of

    E-Print Network [OSTI]

    Assessment of Indoor Air Quality Benefits and Energy Costs of Mechanical Ventilation J.M.Logue1,P Quality Benefits and Energy Costs of Mechanical Ventilation LBNL-4945E Disclaimer This document.H. Sherman, B.C. Singer, Assessment of Indoor Air Quality Benefits and Energy Costs of Mechanical Ventilation

  20. Distributed GIS for Monitoring and Modeling Urban Air Quality

    E-Print Network [OSTI]

    Yeang, Chen-Hsiang, 1969-

    The progress of technology has made the measurement of air quality and the simulation of complex air pollution models both feasible and cost-effective. However, there is a long way to go in terms of facilitating widespread ...

  1. inAir: Sharing Indoor Air Quality Measurements and Visualizations

    E-Print Network [OSTI]

    Mankoff, Jennifer

    evidence has indicated that indoor air pollution within homes and other buildings can be worse than the outdoor air pollution in even the largest and most industrialized cities. For example, the California Air Resources Board estimates that indoor air pollutant levels are 25-62% greater than outside levels [4

  2. inAir: Sharing Indoor Air Quality Measurements and Visualizations

    E-Print Network [OSTI]

    Paulos, Eric

    the outdoor air pollution in even the largest and most industrialized cities. For example, the California Air evidence has indicated that indoor air pollution within homes and other buildings can be worse than Resources Board estimates that indoor air pollutant levels are 25-62% greater than outside levels [4

  3. Indoor Air Quality in 24 California Residences Designed as High Performance Green Homes

    E-Print Network [OSTI]

    Less, Brennan

    2012-01-01

    Swainson, M. (2009). Indoor air quality in highly energyClayton, R. (2001). Indoor air quality: Residential cookingSacramento, CA: California Air Resources Board. Fugler, D. ,

  4. New Mexico Guidelines for Public Notification for Air Quality...

    Open Energy Info (EERE)

    New Mexico Guidelines for Public Notification for Air Quality Permit Applications Jump to: navigation, search OpenEI Reference LibraryAdd to library General: New Mexico Guidelines...

  5. Improving the Air We Breathe: Prepared by the University of Utah Air Quality Task Force

    E-Print Network [OSTI]

    in levels of short-term (24-hour) particle pollution in the American Lung Association's State of the Air 2014 report. 2 Unhealthy, or "Red" air quality days occur when pollution levels (specifically PM 2 for air quality because of inversions that trap pollutants, including ozone and particulate matter (PM

  6. The CitiSense Air Quality Monitoring Mobile Sensor Node Piero Zappi, Elizabeth Bales, Jing Hong Park, William Griswold and Tajana Simuni Rosing

    E-Print Network [OSTI]

    Simunic, Tajana

    conditions than the national ambient air quality standard [1]. Current air pollutant measurement networks. For example, The San Diego Air Pollution Control District (SDAPCD) maintains only five air pollutant samplingThe CitiSense Air Quality Monitoring Mobile Sensor Node Piero Zappi, Elizabeth Bales, Jing Hong

  7. Control of Computer Room Air Conditioning using IT Equipment Sensors

    E-Print Network [OSTI]

    Bell, Geoffrey C.

    2010-01-01

    Control of Computer Room Air Conditioning using IT EquipmentControl of Computer Room Air Conditioning using IT equipmentcontrol computer room air conditioning. The data provided

  8. MATHEMATICAL PROGRAMMING MODELS FOR ENVIRONMENTAL QUALITY CONTROL

    E-Print Network [OSTI]

    Greenberg, Harvey J.

    ~ngenvironmental quality. The scope includes air, water, and land quality, stemming from the first works in the 1960s, and the mathematical program is designed to pre- scribe decisions for operations and planning to minimize cost subject. Sections 2-4 sum- marize the literature on mathematical programming models for air, land, and water quality

  9. Air Pollution Controls | Department of Energy

    Broader source: Energy.gov (indexed) [DOE]

    Natural Resources Various statutes within the Wisconsin Legislative Documents relate to air pollution control. These statutes describe zoning, permitting, and emissions...

  10. Supply Fan Control for Constant Air Volume Air Handling Units 

    E-Print Network [OSTI]

    Cho, Y.; Wang, G.; Liu, M.

    2007-01-01

    Since terminal boxes do not have a modulation damper in constant volume (CV) air handling unit (AHU) systems, zone reheat coils have to be modulated to maintain the space temperature with constant supply airflow. This conventional control sequence...

  11. Indoor Air Quality and Health in FEMA Temporary Housing

    E-Print Network [OSTI]

    within the trailers make air quality concerns worse. Who Is Most At Risk Poor air quality causes problems with asthma · People who have allergies · People who have chronic lung disease such as bronchitis or of asthma may benefit from symptomatic treatment. Health Study CDC will work with parents to study children

  12. Sensitivity of health risk estimates to air quality adjustment procedure

    SciTech Connect (OSTI)

    Whitfield, R.G.

    1997-06-30

    This letter is a summary of risk results associated with exposure estimates using two-parameter Weibull and quadratic air quality adjustment procedures (AQAPs). New exposure estimates were developed for children and child-occurrences, six urban areas, and five alternative air quality scenarios. In all cases, the Weibull and quadratic results are compared to previous results, which are based on a proportional AQAP.

  13. Emissions and Air Quality Impacts of Freight Transportation Erica Bickford

    E-Print Network [OSTI]

    Wisconsin at Madison, University of

    Emissions and Air Quality Impacts of Freight Transportation by Erica Bickford A dissertation rights reserved. #12;Abstract Emissions and Air Quality Impacts of Freight Transportation Erica Bickford.S. transportation is the largest source of national nitrogen oxide (NOx) emissions and the third largest source

  14. Listening to Air Quality Sunyoung Kim & Eric Paulos

    E-Print Network [OSTI]

    Paulos, Eric

    cities of the developing world, urban air pollution has worsened, which has been detrimental quality with bare human perception as air pollutants are mostly invisible and odorless. We believe in surroundings. INTRODUCTION Urban air pollution is higher in developing countries because they often depend more

  15. Air Pollution - Local Air Quality (Ontario, Canada) | Department...

    Broader source: Energy.gov (indexed) [DOE]

    Program Type Environmental Regulations Provider Ontario Ministry of the Environment The Air Pollution regulation administered by the Ministry of the Environment enforces...

  16. Building Efficiency and Indoor Air Quality - You Can Have Both 

    E-Print Network [OSTI]

    Kettler, G. J.

    1998-01-01

    , and run around loops. These methods can be used on some packaged equipment but is normally provided on makeup air units and central air supply systems. These built up units offer opportunities to combine heat recovery, special filtration, humidity control...

  17. PREV'AIR, a platform for air quality monitoring and fore-, Menut, L.2

    E-Print Network [OSTI]

    Menut, Laurent

    with trends in emission levels. Forecasts and observation maps of air pollutants - ozone, nitrogen dioxide on the pollutant. The air quality maps published every day are the result of numerical simula- tions performed using chemistry-transport models that allow the calculation of the evolution of air pollutant

  18. Lifecycle Analysis of Air Quality Impacts of Hydrogen and Gasoline Transportation Fuel Pathways

    E-Print Network [OSTI]

    Wang, Guihua

    2008-01-01

    ITS-RR-08-28 Lifecycle Analysis of Air Quality Impacts ofEngineering Lifecycle Analysis of Air Quality Impacts ofa regional lifecycle analysis of air quality impacts is

  19. Indoor Air Quality in 24 California Residences Designed as High Performance Green Homes

    E-Print Network [OSTI]

    Less, Brennan

    2012-01-01

    1989). Residential indoor air quality and energy efficiency.book Residential Indoor Air Quality and Energy Efficiency by2009). Indoor air quality in highly energy efficient homes—A

  20. INDOOR AIR QUALITY AND ENERGY EFFICIENT VENTILATION RATES AT A NEW YORK CITY ELEMENTARY SCHOOL

    E-Print Network [OSTI]

    Young, Rodger A.

    2013-01-01

    UC-95d INDOOR AIR QUALITY AND ENERGY EFFICIENT VENTILATIONVentilation on Indoor Air Quality and Energy Use in Schoo s,EEB~Vent INDOOR AIR QUALITY AND ENERGY EFFICIENT VENTILATION

  1. Energy and air quality implications of passive stack ventilation in residential buildings

    E-Print Network [OSTI]

    Mortensen, Dorthe Kragsig

    2011-01-01

    to optimize indoor air quality and energy use. The resultsthe indoor air quality and energy use of passive stacks.of the improved air quality is energy consumption increases

  2. Assessment of Indoor Air Quality Benefits and Energy Costs of Mechanical Ventilation

    E-Print Network [OSTI]

    Logue, J.M.

    2012-01-01

    Indoor Air Quality Benefits and Energy Costs of MechanicalIndoor Air Quality Benefits and Energy Costs of MechanicalIndoor Air Quality Benefits and Energy Costs of Mechanical

  3. Energy Efficiency in Buildings as an Air Quality Compliance Approach: Opportunities for the U.S. Department of Energy

    E-Print Network [OSTI]

    Vine, Edward

    2002-01-01

    resolved before air quality and energy officials can begin3 2. Air Quality Regulation and Energyinitiate. 2. Air Quality Regulation and Energy Efficiency

  4. ECOLOGIC REGRESSION ANALYSIS AND THE STUDY OF THE INFLUENCE OF AIR QUALITY ON MORTALITY

    E-Print Network [OSTI]

    Selvin, S.

    2014-01-01

    Orcutt, An empirical analysis of air pollution dose-responseIf ecologic regression analysis of air quality and mortality

  5. Air Quality Responses to Changes in Black Carbon and Nitrogen Oxide Emissions

    E-Print Network [OSTI]

    Millstein, Dev

    2009-01-01

    E. , (2000). Spectral analysis of air pollutants. Part 1:time series and analyses of air quality model outputs will

  6. Factors Analysis on Safety of Indoor Air Quality 

    E-Print Network [OSTI]

    Luo, Q.; Liu, Z.; Xiong, J.

    2006-01-01

    Influence factors on safety of indoor air quality (IAQ) were analyzed in this paper. Some regeneration compositions resulting from potential indoor chemical reactions may be more harmful to habitants. A few building flaws may be key factors...

  7. Advanced chemistry-transport modeling and observing systems allow daily air quality observations, short-term forecasts, and real-time analyses of air quality at the global and

    E-Print Network [OSTI]

    Menut, Laurent

    , French legislation has been adapted in such a way that the local authorities in charge of air pollution can now inform the public and take emergency decisions re- lated to air pollution control not onlyOLOGICAL SOCIETy | #12;air quality monitoring system. In case of a pollution episode, when concentrations exceed

  8. Sandia National Laboratories, California Air Quality Program annual report.

    SciTech Connect (OSTI)

    Gardizi, Leslee P.; Smith, Richard

    2009-06-01

    The annual program report provides detailed information about all aspects of the SNL/CA Air Quality Program. It functions as supporting documentation to the SNL/CA Environmental Management System Program Manual. The program report describes the activities undertaken during the past year, and activities planned in future years to implement the Air Quality Program, one of six programs that supports environmental management at SNL/CA.

  9. Regulatory compliance and air quality permitting: Why do firms overcomply?

    E-Print Network [OSTI]

    DeHart-Davis, Leisha; Bozeman, Barry

    2001-10-01

    Reproduced with permission of the copyright owner. Further reproduction prohibited without permission. Regulatory compliance and air quality permitting: Why do firms overcomply? Leisha DeHart-Davis; Barry Bozeman Journal of Public Administration...Reproduced with permission of the copyright owner. Further reproduction prohibited without permission. Regulatory compliance and air quality permitting: Why do firms overcomply? Leisha DeHart-Davis; Barry Bozeman Journal of Public Administration...

  10. An Innovative Reactor Technology to Improve Indoor Air Quality

    SciTech Connect (OSTI)

    Rempel, Jane [TIAX LLC., Lexington, MA (United States)

    2013-03-30

    As residential buildings achieve tighter envelopes in order to minimize energy used for space heating and cooling, accumulation of indoor air pollutants such as volatile organic compounds (VOCs), becomes a major concern causing poor air quality and increased health risks. Current VOC removal methods include sorbents, ultraviolet photocatalytic oxidation (UVPCO), and increased ventilation, but these methods do not capture or destroy all VOCs or are prohibitively expensive to implement. TIAX's objective in this program was to develop a new VOC removal technology for residential buildings. This novel air purification technology is based on an innovative reactor and light source design along with UVPCO properties of the chosen catalyst to purify indoor air and enhance indoor air quality (IAQ). During the program we designed, fabricated and tested a prototype air purifier to demonstrate its feasibility and effectiveness. We also measured kinetics of VOC destruction on photocatalysts, providing deep insight into reactor design.

  11. Transport Science and the Law Air Quality Applied Sciences Team

    E-Print Network [OSTI]

    Jacob, Daniel J.

    Contribution" Test 1. Upwind reductions must be "proportional" across all upwind states ­ Cost only used air agencies · Formed in 1967 · Technical and policy support for air quality & climate initiatives #12 satellites detect? 2. Does tighter or different ozone standard mean new strategies? i. Winter VOCs or NOx? ii

  12. Natural Influences of Forestson Local and Regional Air Quality

    E-Print Network [OSTI]

    Natural Influences of Forestson Local and Regional Air Quality Emissions and Air Resource smoke from w i l d f i r e and pre- scribed f i r e , emissions associated with concentrated rec- r e s e n t e d a t t h e Symposium on E f f e c t s of Air Effects of smoke on fauna a r e documented

  13. Air Pollution Control (North Dakota) | Department of Energy

    Broader source: Energy.gov (indexed) [DOE]

    Department of Health is the designated agency to administer and coordinate a statewide air pollution control program, to promulgate regulations related to air pollution control,...

  14. Aggregated Modeling and Control of Air Conditioning Loads for...

    Office of Scientific and Technical Information (OSTI)

    Journal Article: Aggregated Modeling and Control of Air Conditioning Loads for Demand Response Citation Details In-Document Search Title: Aggregated Modeling and Control of Air...

  15. Quality Control Inspector: Different Programs, Different Responsibilities

    Broader source: Energy.gov [DOE]

    This document explains the role of the Quality Control Inspector (QCI) in regards to the Home Energy Professional Certification Exam.

  16. Indoor Air Quality Observations in Public Schools 

    E-Print Network [OSTI]

    McClure, J. D.; Estes, J. M.

    1990-01-01

    pressurize the crawl space. Sane of the llnderfloor fans were not opera* (failed) an3 this results in mist ~OQI: air flawing into the building through the apenFngs in the pip* chases anl aperative underfloor fan ducts. Turn off the underfloar fans, sedl...

  17. CLEARING THE AIR? THE EFFECTS OF GASOLINE CONTENT REGULATION ON AIR QUALITY

    E-Print Network [OSTI]

    Edwards, Paul N.

    gasoline markets and raise prices paid by consumers. We provide the first comprehensive empirical estimatesCLEARING THE AIR? THE EFFECTS OF GASOLINE CONTENT REGULATION ON AIR QUALITY Maximilian Auffhammer and Ryan Kellogg* January 2009 Abstract This paper examines the effects of U.S. gasoline content

  18. Air Quality Responses to Changes in Black Carbon and Nitrogen Oxide Emissions

    E-Print Network [OSTI]

    Millstein, Dev

    2009-01-01

    3 Community Multiscale Air Quality (CMAQ) model aerosoland its role in regional air quality. Science, 311, 67-70.aerosol in Fresno, CA. J. Air Waste Manage. Assoc. , 56,

  19. Lifecycle Analysis of Air Quality Impacts of Hydrogen and Gasoline Transportation Fuel Pathways

    E-Print Network [OSTI]

    Wang, Guihua

    2008-01-01

    of natural gas-to-hydrogen pathways on urban air quality ofnatural gas extraction and pipeline transport on air qualityas natural gas extraction and oil refining) on air quality

  20. Air Quality Scoping Study for Rachel, Nevada (EMSI April 2007)

    SciTech Connect (OSTI)

    Engelbrecht, Johann; Kavouras, Ilias; Campbell, Dave; Campbell, Scott; Kohl, Steven; Shafer, David

    2007-04-01

    The Desert Research Institute (DRI) is performing a scoping study as part of the U.S. Department of Energy’s Yucca Mountain Environmental Monitoring Systems Initiative (EMSI). The main objective is to obtain baseline air quality information for Yucca Mountain and an area surrounding the Nevada Test Site (NTS). Air quality and meteorological monitoring and sampling equipment housed in a mobile trailer (shelter) is collecting data at seven sites outside the NTS, including Ash Meadows National Wildlife Refuge, Sarcobatus Flat, Beatty, Rachel, Caliente, Pahranagat National Wildlife Refuge, and Crater Flat, and at four sites on the NTS. The trailer is stationed at any one site for approximately eight weeks at a time. Letter reports provide summaries of air quality and meteorological data, on completion of each site’s sampling program.

  1. Air Quality Scoping Study for Beatty, Nevada (EMSI April 2007)

    SciTech Connect (OSTI)

    Engelbrecht, Johann; Kav, Ilias; Campbell, Dave; Campbell, Scott; Kohl, Steven; Shafer, David

    2007-04-01

    The Desert Research Institute (DRI) is performing a scoping study as part of the U.S. Department of Energy’s Yucca Mountain Environmental Monitoring Systems Initiative (EMSI). The main objective is to obtain baseline air quality information for Yucca Mountain and an area surrounding the Nevada Test Site (NTS). Air quality and meteorological monitoring and sampling equipment housed in a mobile trailer (shelter) is collecting data at seven sites outside the NTS, including Ash Meadows National Wildlife Refuge, Sarcobatus Flat, Beatty, Rachel, Caliente, Pahranagat National Wildlife Refuge, and Crater Flat, and at four sites on the NTS. The trailer is stationed at any one site for approximately eight weeks at a time. Letter reports provide summaries of air quality and meteorological data, on completion of each site’s sampling program.

  2. Vermont Air Pollution Control Regulations, Major Stationary Sources and Major Modifications (Vermont)

    Broader source: Energy.gov [DOE]

    This section of the air quality standards applies to all major sources and major modifications and outlines the required control technology to achieve the most stringent emission rate. Emission...

  3. Quality Control by Artificial Vision

    SciTech Connect (OSTI)

    Lam, Edmond Y. [University of Hong Kong, The; Gleason, Shaun Scott [ORNL; Niel, Kurt S. [Upper Austria University of Applied Science, Engineering and Environmental Studies

    2010-01-01

    Computational technology has fundamentally changed many aspects of our lives. One clear evidence is the development of artificial-vision systems, which have effectively automated many manual tasks ranging from quality inspection to quantitative assessment. In many cases, these machine-vision systems are even preferred over manual ones due to their repeatability and high precision. Such advantages come from significant research efforts in advancing sensor technology, illumination, computational hardware, and image-processing algorithms. Similar to the Special Section on Quality Control by Artificial Vision published two years ago in Volume 17, Issue 3 of the Journal of Electronic Imaging, the present one invited papers relevant to fundamental technology improvements to foster quality control by artificial vision, and fine-tuned the technology for specific applications. We aim to balance both theoretical and applied work pertinent to this special section theme. Consequently, we have seven high-quality papers resulting from the stringent peer-reviewing process in place at the Journal of Electronic Imaging. Some of the papers contain extended treatment of the authors work presented at the SPIE Image Processing: Machine Vision Applications conference and the International Conference on Quality Control by Artificial Vision. On the broad application side, Liu et al. propose an unsupervised texture image segmentation scheme. Using a multilayer data condensation spectral clustering algorithm together with wavelet transform, they demonstrate the effectiveness of their approach on both texture and synthetic aperture radar images. A problem related to image segmentation is image extraction. For this, O'Leary et al. investigate the theory of polynomial moments and show how these moments can be compared to classical filters. They also show how to use the discrete polynomial-basis functions for the extraction of 3-D embossed digits, demonstrating superiority over Fourier-basis functions for this task. Image registration is another important task for machine vision. Bingham and Arrowood investigate the implementation and results in applying Fourier phase matching for projection registration, with a particular focus on nondestructive testing using computed tomography. Readers interested in enriching their arsenal of image-processing algorithms for machine-vision tasks should find these papers enriching. Meanwhile, we have four papers dealing with more specific machine-vision tasks. The first one, Yahiaoui et al., is quantitative in nature, using machine vision for real-time passenger counting. Occulsion is a common problem in counting objects and people, and they circumvent this issue with a dense stereovision system, achieving 97 to 99% accuracy in their tests. On the other hand, the second paper by Oswald-Tranta et al. focuses on thermographic crack detection. An infrared camera is used to detect inhomogeneities, which may indicate surface cracks. They describe the various steps in developing fully automated testing equipment aimed at a high throughput. Another paper describing an inspection system is Molleda et al., which handles flatness inspection of rolled products. They employ optical-laser triangulation and 3-D surface reconstruction for this task, showing how these can be achieved in real time. Last but not least, Presles et al. propose a way to monitor the particle-size distribution of batch crystallization processes. This is achieved through a new in situ imaging probe and image-analysis methods. While it is unlikely any reader may be working on these four specific problems at the same time, we are confident that readers will find these papers inspiring and potentially helpful to their own machine-vision system developments.

  4. Federal, State, and Local Water Quality Control

    E-Print Network [OSTI]

    Radcliffe, David

    Federal, State, and Local Water Quality Control An Assessment of the Current Laws Affecting 303(d), a TMDL is required to be implemented for any water body in which technology-based controls and non-point sources of pollution. In many situations, this method of water quality control is important

  5. Quality Control, Standardization of Upgrades, and Workforce Expectatio...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Quality Control, Standardization of Upgrades, and Workforce Expectations Quality Control, Standardization of Upgrades, and Workforce Expectations Better Buildings Residential...

  6. Air Traffic Control Using Virtual Stationary Automata Matthew D. Brown

    E-Print Network [OSTI]

    Lynch, Nancy

    Air Traffic Control Using Virtual Stationary Automata by Matthew D. Brown B.S., Massachusetts by . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Arthur C. Smith Chairman, Department Committee on Graduate Students #12;Air Traffic Control Using Virtual of Engineering Abstract As air travel has become an essential part of modern life, the air traffic control system

  7. Fault Tolerant Oxygen Control of a Diesel Engine Air System

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Fault Tolerant Oxygen Control of a Diesel Engine Air System Rainer Nitsche Matthias Bitzer control problem of a Diesel engine air system having a jammed Exhaust Gas Recirculation (EGR) valve of the air system. Keywords: Fault tolerant control, Diesel engine, Air system, Model-based trajectory

  8. Air Pollution Control Facility, Tax Exemption (Michigan) | Department...

    Broader source: Energy.gov (indexed) [DOE]

    structures, installed or acquired for the primary purpose of controlling or disposing of air pollution that if released would render the air harmful or inimical to the public...

  9. Commonwealth of Virginia, State Air Pollution Control Board,...

    Energy Savers [EERE]

    Commonwealth of Virginia, State Air Pollution Control Board, Order by Concent Issued to Mirant Potomac River, LLC, Registration No. 70228 Commonwealth of Virginia, State Air...

  10. Quality Control Inspector: Different Programs, Different Responsibilit...

    Broader source: Energy.gov (indexed) [DOE]

    More Documents & Publications QCI Exam Test-Taking Tips from Community Housing Partners (CHP) Assorted QCI Tips and Standards Review Quality Control Inspector (QCI) Pre-Exam Quiz...

  11. NREL Job Task Analysis: Quality Control Inspector

    SciTech Connect (OSTI)

    Kurnik, C.; Woodley, C.

    2011-05-01

    A summary of job task analyses for the position of quality control inspector when evaluating weatherization work that has been done on a residence.

  12. Air Quality 4 4-1 2003 SITE ENVIRONMENTAL REPORT

    E-Print Network [OSTI]

    Homes, Christopher C.

    at the Central Steam Facility. 4.1 RADIOLOGICAL EMISSIONS Federal air quality laws and DOE regulations monitoring is conducted. Figure 4-1 indicates the locations of the monitored facilities for radiological emis radioactive and nonradioactive emissions at several facilities on site to ensure compliance

  13. Studies of urban air quality using electrochemical based sensor instruments

    E-Print Network [OSTI]

    Popoola, Olalekan Abdul Muiz

    2012-07-03

    .............................................................................................. 21 1.6.1. Financial implication of poor air quality in the UK ............................................................ 21 1.6.2. Trends in emission and measurements of CO, NO, O3 and NOX in the UK ....................... 22 1.7. Road transport... emissions of CO and NOX. ................................................................................ 24 1.8. Outline of the thesis .................................................................................................................. 25...

  14. Current Quality Culture Mini Paper Six Sigma Quality Control

    E-Print Network [OSTI]

    Vardeman, Stephen B.

    Current Quality Culture Mini Paper Six Sigma Quality Control By: Shawn Higbee Steve Soseman Kaya, they want zero." - John Bertrand, President, A.O. Smith Electrical Products Company What is Six Sigma? SixSig_pg140-2.html Is Six Sigma good for every company? The benefits of implementing a 6 include increased

  15. 6 September 2006 Genetic Quality Control

    E-Print Network [OSTI]

    Fukai, Tomoki

    6 September 2006 Genetic Quality Control Genetic Quality Monitoring by Biochemical Marker monitoring program to ensure the genetic quality of mice strains. This monitoring program is useful treatment, RBCs are lysed in a fourfold volume of iodoacetic acid solution instead of water. Plasma

  16. Air Pollution Control Regulations: No. 7 - Emission of Air Contaminant...

    Broader source: Energy.gov (indexed) [DOE]

    with the enjoyment of life and property. The criteria for determining compliance is listed in the regulations, and is based on other air pollution and ambient air standards...

  17. SealScope Project Keywords: Seal quality, statistical process control, control chart, quality control, packaging.

    E-Print Network [OSTI]

    Davis, Jesse

    control, packaging. Settings of the project: For many packaged products, especially in the food industry of consumption. Shelf-life depends on the initial quality of the product before packaging and the eventual loss is the quality of the packaging. The most important characteristics of the packaging with respect to optimal

  18. Energy and air quality implications of passive stack ventilation in residential buildings

    SciTech Connect (OSTI)

    Mortensen, Dorthe Kragsig; Walker, Iain S.; Sherman, Max

    2011-01-01

    Ventilation requires energy to transport and condition the incoming air. The energy consumption for ventilation in residential buildings depends on the ventilation rate required to maintain an acceptable indoor air quality. Historically, U.S. residential buildings relied on natural infiltration to provide sufficient ventilation, but as homes get tighter, designed ventilation systems are more frequently required particularly for new energy efficient homes and retrofitted homes. ASHRAE Standard 62.2 is used to specify the minimum ventilation rate required in residential buildings and compliance is normally achieved with fully mechanical whole-house systems; however, alternative methods may be used to provide the required ventilation when their air quality equivalency has been proven. One appealing method is the use of passive stack ventilation systems. They have been used for centuries to ventilate buildings and are often used in ventilation regulations in other countries. Passive stacks are appealing because they require no fans or electrical supply (which could lead to lower cost) and do not require maintenance (thus being more robust and reliable). The downside to passive stacks is that there is little control of ventilation air flow rates because they rely on stack and wind effects that depend on local time-varying weather. In this study we looked at how passive stacks might be used in different California climates and investigated control methods that can be used to optimize indoor air quality and energy use. The results showed that passive stacks can be used to provide acceptable indoor air quality per ASHRAE 62.2 with the potential to save energy provided that they are sized appropriately and flow controllers are used to limit over-ventilation.

  19. Ventilation System Effectiveness and Tested Indoor Air Quality Impacts

    SciTech Connect (OSTI)

    Rudd, A.; Bergey, D.

    2014-02-01

    Ventilation system effectiveness testing was conducted at two unoccupied, single-family, detached lab homes at the University of Texas - Tyler. Five ventilation system tests were conducted with various whole-building ventilation systems. Multizone fan pressurization testing characterized building and zone enclosure leakage. PFT testing showed multizone air change rates and interzonal airflow. Cumulative particle counts for six particle sizes, and formaldehyde and other Top 20 VOC concentrations were measured in multiple zones. The testing showed that single-point exhaust ventilation was inferior as a whole-house ventilation strategy. It was inferior because the source of outside air was not direct from outside, the ventilation air was not distributed, and no provision existed for air filtration. Indoor air recirculation by a central air distribution system can help improve the exhaust ventilation system by way of air mixing and filtration. In contrast, the supply and balanced ventilation systems showed that there is a significant benefit to drawing outside air from a known outside location, and filtering and distributing that air. Compared to the Exhaust systems, the CFIS and ERV systems showed better ventilation air distribution and lower concentrations of particulates, formaldehyde and other VOCs. System improvement percentages were estimated based on four System Factor Categories: Balance, Distribution, Outside Air Source, and Recirculation Filtration. Recommended System Factors could be applied to reduce ventilation fan airflow rates relative to ASHRAE Standard 62.2 to save energy and reduce moisture control risk in humid climates. HVAC energy savings were predicted to be 8-10%, or $50-$75/year.

  20. Ventilation System Effectiveness and Tested Indoor Air Quality Impacts

    SciTech Connect (OSTI)

    Rudd, Armin; Bergey, Daniel

    2014-02-01

    In this project, Building America research team Building Science Corporation tested the effectiveness of ventilation systems at two unoccupied, single-family, detached lab homes at the University of Texas - Tyler. Five ventilation system tests were conducted with various whole-building ventilation systems. Multizone fan pressurization testing characterized building and zone enclosure leakage. PFT testing showed multizone air change rates and interzonal airflow. Cumulative particle counts for six particle sizes, and formaldehyde and other Top 20 VOC concentrations were measured in multiple zones. The testing showed that single-point exhaust ventilation was inferior as a whole-house ventilation strategy. This was because the source of outside air was not direct from outside, the ventilation air was not distributed, and no provision existed for air filtration. Indoor air recirculation by a central air distribution system can help improve the exhaust ventilation system by way of air mixing and filtration. In contrast, the supply and balanced ventilation systems showed that there is a significant benefit to drawing outside air from a known outside location, and filtering and distributing that air. Compared to the exhaust systems, the CFIS and ERV systems showed better ventilation air distribution and lower concentrations of particulates, formaldehyde and other VOCs. System improvement percentages were estimated based on four system factor categories: balance, distribution, outside air source, and recirculation filtration. Recommended system factors could be applied to reduce ventilation fan airflow rates relative to ASHRAE Standard 62.2 to save energy and reduce moisture control risk in humid climates. HVAC energy savings were predicted to be 8-10%, or $50-$75/year.

  1. inAir: Measuring and Visualizing Indoor Air Quality Sunyoung Kim & Eric Paulos

    E-Print Network [OSTI]

    Paulos, Eric

    , long-term exposure to such chemicals can cause significant chronic health problems like asthma to the development of chronic respiratory diseases such as asthma, heart disease, and lung cancer. Complicating quality and are often causes of Figure 1. inAir located in a living room. dizziness, nausea, allergic

  2. Air quality resolution for health impact assessment: influence of regional characteristics

    E-Print Network [OSTI]

    Thompson, T. M.

    We evaluate how regional characteristics of population and background pollution might impact the selection of optimal air quality model resolution when calculating the human health impacts of changes to air quality. Using ...

  3. Reflecting the Revised PM 2.5 National Ambient Air Quality Standard...

    Energy Savers [EERE]

    Reflecting the Revised PM 2.5 National Ambient Air Quality Standard in NEPA Evaluations Reflecting the Revised PM 2.5 National Ambient Air Quality Standard in NEPA Evaluations This...

  4. Air Pollution Control Permit to Construct and Permit to Operate...

    Broader source: Energy.gov (indexed) [DOE]

    Type Environmental Regulations Provider Department of Environmental Conservation The Air Pollution Control Division of the Vermont Department of Environmental Conservation...

  5. Demo Abstract: Common Sense: Participatory Urban Sensing Using a Network of Handheld Air Quality Monitors

    E-Print Network [OSTI]

    Aoki, Paul M.

    people die each year from the effects of air pollution [6]. Unfortunately, while variations in airDemo Abstract: Common Sense: Participatory Urban Sensing Using a Network of Handheld Air Quality Abstract Poor air quality is a global health issue, causing serious problems like asthma, cancer, and heart

  6. Project Title: Air Quality Monitoring in the Coastal Environment of Miami Professor's name: Xinrong Ren________________________________________ ______ _

    E-Print Network [OSTI]

    Miami, University of

    Project Title: Air Quality Monitoring in the Coastal Environment of Miami Professor's name: Xinrong@rsmas.miami.edu _____________________ _ Description of project: In this project, the air quality in Miami has been monitored continuously and characterized in the laboratory prior to the deployment to monitor the air quality. The student participating

  7. Satellite remote sensing of surface air quality Randall V. Martin a,b,*

    E-Print Network [OSTI]

    Martin, Randall

    Review Satellite remote sensing of surface air quality Randall V. Martin a,b,* a Department 2007 Received in revised form 26 June 2008 Accepted 2 July 2008 Keywords: Remote sensing Air quality Satellite Pollution Emissions a b s t r a c t Satellite remote sensing of air quality has evolved

  8. Air Quality and Road Emission Results for Fort Stewart, Georgia

    SciTech Connect (OSTI)

    Kirkham, Randy R.; Driver, Crystal J.; Chamness, Mickie A.; Barfuss, Brad C.

    2004-02-02

    The Directorate of Public Works Environmental & Natural Resources Division (Fort Stewart /Hunter Army Airfield) contracted with the Pacific Northwest National Laboratory (PNNL) to monitor particulate matter (PM) concentrations on Fort Stewart, Georgia. The purpose of this investigation was to establish a PM sampling network using monitoring equipment typically used in U.S. Environmental Protection Agency (EPA) ''saturation sampling'', to determine air quality on the installation. In this initial study, the emphasis was on training-generated PM, not receptor PM loading. The majority of PM samples were 24-hr filter-based samples with sampling frequency ranging from every other day, to once every six days synchronized with the EPA 6th day national sampling schedule. Eight measurement sites were established and used to determine spatial variability in PM concentrations and evaluate whether fluctuations in PM appear to result from training activities and forest management practices on the installation. Data collected to date indicate the average installation PM2.5 concentration is lower than that of nearby urban Savannah, Georgia. At three sites near the installation perimeter, analyses to segregate PM concentrations by direction of air flow across the installation boundary indicate that air (below 80 ft) leaving the installation contains less PM2.5 than that entering the installation. This is reinforced by the observation that air near the ground is cleaner on average than the air at the top of the canopy.

  9. Furnace Controls Using High Temperature Preheated Combustion Air 

    E-Print Network [OSTI]

    Gonzales, J. M.; Rebello, W. J.

    1981-01-01

    FURNACE CONTROLS USING HIGH TEMPERATURE PREHEATED COMBUSTION AIR Jeffrey M. Gonzalez Wilfred J. Rebello GTE Products Corporation PAR Enterprises, Inc. Towanda, Pennsylvania Fairfax, Virginia ABSTRACT GTE Products Corporation (Towanda... available ratio control apparatus. Various control sys (I) was the development of a different way of looking at combustion. As preheated combustion air temperatures increase, excess air Industrial furnaces generally utilize air as the basic source...

  10. Air Pollution Control Regulations: No. 22 - Air Toxics (Rhode...

    Broader source: Energy.gov (indexed) [DOE]

    any stationary source which has the potential to increase emissions of a listed toxic air contaminant by an amount greater than the minimum quantity for that contaminant....

  11. Strategies and Technologies for Improving Air Quality Around Ports

    E-Print Network [OSTI]

    Khan, Mohammad Yusuf

    2013-01-01

    urbanair/ 2. Lewtas, J. Air pollution combustion emissions:Lewtas. Air pollution combustion emissions: Characterization

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

    SciTech Connect (OSTI)

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

    2011-07-01

    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.

  13. Participatory Patterns in an International Air Quality Monitoring Initiative

    E-Print Network [OSTI]

    Sîrbu, Alina; Caminiti, Saverio; De Baets, Bernard; Elen, Bart; Francis, Louise; Gravino, Pietro; Hotho, Andreas; Ingarra, Stefano; Loreto, Vittorio; Molino, Andrea; Mueller, Juergen; Peters, Jan; Ricchiuti, Ferdinando; Saracino, Fabio; Servedio, Vito D P; Stumme, Gerd; Theunis, Jan; Tria, Francesca; Bossche, Joris Van den

    2015-01-01

    The issue of sustainability is at the top of the political and societal agenda, being considered of extreme importance and urgency. Human individual action impacts the environment both locally (e.g., local air/water quality, noise disturbance) and globally (e.g., climate change, resource use). Urban environments represent a crucial example, with an increasing realization that the most effective way of producing a change is involving the citizens themselves in monitoring campaigns (a citizen science bottom-up approach). This is possible by developing novel technologies and IT infrastructures enabling large citizen participation. Here, in the wider framework of one of the first such projects, we show results from an international competition where citizens were involved in mobile air pollution monitoring using low cost sensing devices, combined with a web-based game to monitor perceived levels of pollution. Measures of shift in perceptions over the course of the campaign are provided, together with insights int...

  14. Optimal Outside Air Control for Air Handling Units with Humidity Control 

    E-Print Network [OSTI]

    Wang, G.; Liu, M.

    2006-01-01

    Most air handling units (AHUs) in commercial buildings have the (air) economizer cycle to use outside air for free cooling under certain outside air conditions. Ideally the economizer cycle is enabled if outside air enthalpy is less than return air...

  15. Combustor air flow control method for fuel cell apparatus

    DOE Patents [OSTI]

    Clingerman, Bruce J. (Palmyra, NY); Mowery, Kenneth D. (Noblesville, IN); Ripley, Eugene V. (Russiaville, IN)

    2001-01-01

    A method for controlling the heat output of a combustor in a fuel cell apparatus to a fuel processor where the combustor has dual air inlet streams including atmospheric air and fuel cell cathode effluent containing oxygen depleted air. In all operating modes, an enthalpy balance is provided by regulating the quantity of the air flow stream to the combustor to support fuel cell processor heat requirements. A control provides a quick fast forward change in an air valve orifice cross section in response to a calculated predetermined air flow, the molar constituents of the air stream to the combustor, the pressure drop across the air valve, and a look up table of the orifice cross sectional area and valve steps. A feedback loop fine tunes any error between the measured air flow to the combustor and the predetermined air flow.

  16. Classification of dwellings into profiles regarding indoor air quality, and identification of indoor air pollution determinant factors

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    of indoor air pollution determinant factors Jean-Baptiste Masson1,2 * , Gérard Govaert2 , Corinne Mandin1 representing different types of indoor air pollution. We restrain to the 20 variables corresponding to indoorClassification of dwellings into profiles regarding indoor air quality, and identification

  17. Texas Air Quality and the Role of Energy Efficiency 

    E-Print Network [OSTI]

    Edlund, C.

    2012-01-01

    old 4 Powerpoint Templates Page 5 SUMMER PEAK DAY LOAD SHAPE WITH FUEL MIX Natural Gas Wind Nuclear Hydro August 3, 2011 Other DC Imports Coal Energy Price 80,000 $3,500 $3001 70,000 $3,000 60,000 $2,500 Natural Gas... Page 1 Carl E. Edlund, P.E. U.S. Environmental Protection Agency, Dallas, Texas October 10, 2012 Powerpoint Templates Page 2 TEXAS AIR QUALITY UPDATE FOCUS: CRITERIA POLLUTANTS , GHG EMISSIONS AND ENERGY EFFICIENCY OTHER: MATS, CAIR...

  18. MCA 75-2 - Air Quality | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History View NewTexas:Montezuma, Arizona:Oregon:Lowell Point,Massachusetts:Kansas:M1Remains2 - Air Quality

  19. Air Quality and Emissions Impacts of Heat Island Mitigation Strategies

    E-Print Network [OSTI]

    by generating fewer emissions from electricity production. These benefits, however, are difficult quality planning process. If a model were available to accurately predict the decrease in temperature and detailed manner is important if heat island control strategies are to be viewed as "quantifiable

  20. Comparing air quality impacts of hydrogen and gasoline

    E-Print Network [OSTI]

    Sperling, Dan; Wang, Guihua; Ogden, Joan M.

    2008-01-01

    Health Effects of Motor-Vehicle Air Pollution. University ofon-road motor vehicles to urban air pollution using travelurban air pollution, zero emission vehicle (ZEV) mandates

  1. Particulate air quality model predictions using prognostic vs. diagnostic meteorology in central California

    E-Print Network [OSTI]

    Chen, Shu-Hua

    Particulate air quality model predictions using prognostic vs. diagnostic meteorology in central a , Michael J. Kleeman c,* a Department of Land, Air and Water Resources, University of California, Davis, 1 Prognostic meteorological fields Data assimilation UCD/CIT air quality model California Regional Particulate

  2. Pullman's Weather and Air Quality Station James O'Malley, Brian Lamb, Tom Jobson

    E-Print Network [OSTI]

    Collins, Gary S.

    Pullman's Weather and Air Quality Station James O'Malley, Brian Lamb, Tom Jobson Thanks, and to Dr. Shelley N. Pressley. To monitor air quality in Pullman, the Laboratory for Atmospheric Research at Washington State University has operated a combined air monitoring and weather station located on the roof

  3. The effects of wildfire atmospheric emissions on regional air quality using current and future

    E-Print Network [OSTI]

    Collins, Gary S.

    . These species either directly affect the air Figure 4. Percentages and the amounts of pollutants emittedThe effects of wildfire atmospheric emissions on regional air quality using current and future of wildfire emissions on air quality is modeled using the WRF-SMOKE-CMAQ modeling framework: Meteorological

  4. An Investigation of the Limitations in Plume Rise Models used in Air Quality Forecast Systems

    E-Print Network [OSTI]

    Collins, Gary S.

    are important for predicting pollutants regulated by National Ambient Air Quality Standards (NAAQS). NAAQS pollutants, include CO, NO2, PM2.5, PM10, O3, and SO2, are considered deleterious to public health and airAn Investigation of the Limitations in Plume Rise Models used in Air Quality Forecast Systems 1

  5. Impact of Hydrated Cement Paste Quality and Entrained Air-Void

    E-Print Network [OSTI]

    Impact of Hydrated Cement Paste Quality and Entrained Air-Void System on the Durability of Concrete the characteristics of the entrained air-void system #12;Objectives · Review the current accepted relationship between is affected by the quality of the hydrated cement paste (HCP) and the presence of a properly entrained air

  6. Quality control and statistical process control for nuclear analytical measurements

    SciTech Connect (OSTI)

    Seymour, R.; Sergent, F.; Clark, W.H.C.; Gleason, G.

    1993-12-31

    The same driving forces that are making businesses examine quality control of manufacturing processes are making laboratories reevaluate their quality control programs. Increased regulation (accountability), global competitiveness (profitability), and potential for litigation (defensibility) are the principal driving forces behind the development and implementation of QA/QC programs in the nuclear analytical laboratory. Both manufacturing and scientific quality control can use identical statistical methods, albeit with some differences in the treatment of the measured data. Today, the approaches to QC programs are quite different for most analytical laboratories as compared with manufacturing sciences. This is unfortunate because the statistical process control methods are directly applicable to measurement processes. It is shown that statistical process control methods can provide many benefits for laboratory QC data treatment.

  7. Abatement of Air Pollution: Air Pollution Control Equipment and Monitoring Equipment Operation (Connecticut)

    Broader source: Energy.gov [DOE]

    These regulations contain instructions for the operation and monitoring of air pollution control equipment, as well as comments on procedures in the event of equipment breakdown, failure, and...

  8. Air Pollution Control Rules (West Virginia) | Department of Energy

    Broader source: Energy.gov (indexed) [DOE]

    Department of Environmental Protection The listed rules were enacted as directed by the Air Pollution Control Act. Together, these rules guide the monitoring, permitting and...

  9. Air Pollution Control Act (West Virginia) | Department of Energy

    Broader source: Energy.gov (indexed) [DOE]

    Protection The purpose of this law is to provide for a coordinated statewide program of air pollution prevention, abatement and control; to facilitate cooperation across...

  10. Reduction of Emission Variance by Intelligent Air Path Control

    Broader source: Energy.gov [DOE]

    This poster describes an air path control concept, which minimizes NOx and PM emission variance while having the ability to run reliably with many different sensor configurations.

  11. Florida Air and Water Pollution Control Act (Florida)

    Broader source: Energy.gov [DOE]

    It is the policy of the state of Florida to protect, maintain, and improve the quality of the air and waters of the state. This Act authorizes the Department of Environmental Protection to enact...

  12. New Directions in Measurement for Software Quality Control

    E-Print Network [OSTI]

    Suryn, Witold

    1 New Directions in Measurement for Software Quality Control Paul Krause, Bernd Freimut and Witold Suryn Abstract--Assessing and controlling software quality is still an immature discipline. One is needed to software quality control as compared with manufacturing quality control. In particular

  13. Erste Satzung zur nderung der Studien-und Prfungsordnung der Universitt Stutt-gart fr den auslandsorientierten Studiengang Master of Science in Air Quality

    E-Print Network [OSTI]

    Reyle, Uwe

    auslandsorientierten Studiengang Master of Science in Air Quality Control, Solid Waste and Waste Water Process and Waste Water Process Engineering vom 08. Juli 2008 (Amtliche Bekanntmachung Nr. 23/08) beschlossen. Der

  14. Master Control of Multiple Air Compressors 

    E-Print Network [OSTI]

    Petzold, M. A.

    1983-01-01

    of air compressors in the most efficient manner for any air demand. This system can be further enhanced by the addition of a remote set point signal based on air-flow. This signal is calibrated to reduce the set-point during periods of low demand when...

  15. A Self-Consistent Method to Assess Air Quality Co-Benefits from US Climate Policies

    E-Print Network [OSTI]

    Saari, R.

    Air quality co-benefits can potentially reduce the costs of greenhouse gas mitigation. However, while many studies of the cost of greenhouse gas mitigation model the full macroeconomic welfare impacts, most studies of air ...

  16. There's no justice in transit! : transit equity, land use, and air quality in Boston

    E-Print Network [OSTI]

    Machala, Laura Beth

    2007-01-01

    As a result of air pollution created by the Central Artery/Tunnel Project (CA/T), aka "the Big Dig," transit and other air quality mitigation projects were incorporated into the State Implementation Plan (SIP). The SIP is ...

  17. Lifecycle impacts of natural gas to hydrogen pathways on urban air quality

    E-Print Network [OSTI]

    Wang, Guihua; Ogden, Joan M; Nicholas, Michael A

    2007-01-01

    of natural gas to hydrogen pathways on urban air qualityas natural gas extraction and oil re?ning) on air quality inquality impacts for three different hydrogen production and delivery pathways, based on steam methane reforming (SMR) of natural gas,

  18. EPA Tribal Training and Outreach Support for the American Indian Air Quality Training Program

    Broader source: Energy.gov [DOE]

    The U.S. Environmental Protection Agency (EPA) is accepting applications to provide training, and technical and outreach support for the American Indian Air Quality Training Program.

  19. ASHRAE Standard 62.2. Ventilation and Acceptable Indoor Air Quality...

    Energy Savers [EERE]

    ASHRAE Standard 62.2. Ventilation and Acceptable Indoor Air Quality in Low- Rise Residential Buildings - Building America Top Innovation ASHRAE Standard 62.2. Ventilation and...

  20. Lifecycle impacts of natural gas to hydrogen pathways on urban air quality

    E-Print Network [OSTI]

    Wang, Guihua; Ogden, Joan M; Nicholas, Michael A

    2007-01-01

    as natural gas extraction and oil re?ning) on air quality inemission emission emission emission emission Oil extractionTanker delivery Oil refinery Pipeline Storage Truck

  1. Interim Progress Report: Intelligent Control Architectures for Unmanned Air Vehicles

    E-Print Network [OSTI]

    Sastry, S. Shankar

    Interim Progress Report: Intelligent Control Architectures for Unmanned Air Vehicles S. S. Sastry is concerned with the design and evaluation of Intelligent Control Architectures for Unmanned Air Vehicles sections de­ scribe our progress on the three research thrusts identified in our proposal. Section 5

  2. Air Pollution Control (Oklahoma) | Department of Energy

    Broader source: Energy.gov (indexed) [DOE]

    deterioration increments. Significant deterioration refers to an increase in ambient air pollution above a baseline plus a specific increment allowed for one of three classes...

  3. Air Pollution Control (Indiana) | Department of Energy

    Broader source: Energy.gov (indexed) [DOE]

    unnecessary requirements and to verify compliance with applicable state and federal air pollution laws and regulations. OAQ is comprised of five branches, each with specific...

  4. Air Pollution Control (Michigan) | Department of Energy

    Broader source: Energy.gov (indexed) [DOE]

    an annual report from a commercial, industrial, or governmental source of emission of an air contaminant if, in the judgment of the Department, information on the quantity and...

  5. Method, system and apparatus for monitoring and adjusting the quality of indoor air

    DOE Patents [OSTI]

    Hartenstein, Steven D.; Tremblay, Paul L.; Fryer, Michael O.; Hohorst, Frederick A.

    2004-03-23

    A system, method and apparatus is provided for monitoring and adjusting the quality of indoor air. A sensor array senses an air sample from the indoor air and analyzes the air sample to obtain signatures representative of contaminants in the air sample. When the level or type of contaminant poses a threat or hazard to the occupants, the present invention takes corrective actions which may include introducing additional fresh air. The corrective actions taken are intended to promote overall health of personnel, prevent personnel from being overexposed to hazardous contaminants and minimize the cost of operating the HVAC system. The identification of the contaminants is performed by comparing the signatures provided by the sensor array with a database of known signatures. Upon identification, the system takes corrective actions based on the level of contaminant present. The present invention is capable of learning the identity of previously unknown contaminants, which increases its ability to identify contaminants in the future. Indoor air quality is assured by monitoring the contaminants not only in the indoor air, but also in the outdoor air and the air which is to be recirculated. The present invention is easily adaptable to new and existing HVAC systems. In sum, the present invention is able to monitor and adjust the quality of indoor air in real time by sensing the level and type of contaminants present in indoor air, outdoor and recirculated air, providing an intelligent decision about the quality of the air, and minimizing the cost of operating an HVAC system.

  6. Predictability of European air quality: Assessment of 3 years of operational forecasts and analyses by the PREV'AIR system

    E-Print Network [OSTI]

    Menut, Laurent

    , is proved to improve ozone forecasts, especially when photochemical pollution episodes occur. The PREV'AIR and laws regarding the pollutants of utmost importance in relation to human health, air pollution is still- ments are still needed to manage and control the impacts of air pollution on health. [3] Facing

  7. Air Quality Impacts of Liquefied Natural Gas in the South Coast Air Basin of California Marc Carerras-Sospedra1

    E-Print Network [OSTI]

    Dabdub, Donald

    Air Quality Impacts of Liquefied Natural Gas in the South Coast Air Basin of California Marc. These volumes contribute to the total natural gas supply to the SoCalGas/SDG&E system of 76 million Nm3 /day for a typical summer demand in 2023, and 91 million Nm3 /day for the estimated maximum demand. b) Natural Gas

  8. INDOOR AIR QUALITY MEASUREMENTS IN ENERGY EFFICIENT BUILDINGS

    E-Print Network [OSTI]

    Hollowell, C.D.

    2011-01-01

    focused on combustion-generated indoor air pollution, namelyimpact of combustion-generated indoor air pollution on humanpollution sources exist inside buildings, notably sources associated with combustion (

  9. The role of Health Impact Assessment in the setting of air quality standards: An Australian perspective

    SciTech Connect (OSTI)

    Spickett, Jeffery; Faculty of Health Sciences, School of Public Health, Curtin University, Perth, Western Australia ; Katscherian, Dianne; Faculty of Health Sciences, School of Public Health, Curtin University, Perth, Western Australia ; Harris, Patrick

    2013-11-15

    The approaches used for setting or reviewing air quality standards vary from country to country. The purpose of this research was to consider the potential to improve decision-making through integration of HIA into the processes to review and set air quality standards used in Australia. To assess the value of HIA in this policy process, its strengths and weaknesses were evaluated aligned with review of international processes for setting air quality standards. Air quality standard setting programmes elsewhere have either used HIA or have amalgamated and incorporated factors normally found within HIA frameworks. They clearly demonstrate the value of a formalised HIA process for setting air quality standards in Australia. The following elements should be taken into consideration when using HIA in standard setting. (a) The adequacy of a mainly technical approach in current standard setting procedures to consider social determinants of health. (b) The importance of risk assessment criteria and information within the HIA process. The assessment of risk should consider equity, the distribution of variations in air quality in different locations and the potential impacts on health. (c) The uncertainties in extrapolating evidence from one population to another or to subpopulations, especially the more vulnerable, due to differing environmental factors and population variables. (d) The significance of communication with all potential stakeholders on issues associated with the management of air quality. In Australia there is also an opportunity for HIA to be used in conjunction with the NEPM to develop local air quality standard measures. The outcomes of this research indicated that the use of HIA for air quality standard setting at the national and local levels would prove advantageous. -- Highlights: • Health Impact Assessment framework has been applied to a policy development process. • HIA process was evaluated for application in air quality standard setting. • Advantages of HIA in the air quality standard setting process are demonstrated.

  10. JV Task 94 - Air Quality V: Mercury, Trace Elements, SO3, and Particulate Matter Conference

    SciTech Connect (OSTI)

    Thomas A. Erickson

    2007-01-31

    This final report summarizes the planning, preparation, facilitation and production, and summary of the conference entitled 'Air Quality V: Mercury, Trace Elements, SO{sub 3}, and Particulate Matter,' held September 18-21, 2005, in Arlington, Virginia. The goal of the conference was to build on the discussions of the first four Air Quality Conferences, providing further opportunity for leading representatives of industry, government, research institutions, academia, and environmental organizations to discuss the key interrelationships between policy and science shaping near-term regulations and controls and to assist in moving forward on emerging issues that will lead to acceptable programs and policies to protect human health, the environment, and economic growth. The conference was extremely timely, as it was the last large conference prior to publication of the U.S. Environmental Protection Agency's final regulations for mercury control from coal-fired utilities, and provided a forum to realistically assess the status of mercury controls in relation to the new regulations.

  11. Quality Procedure - Document Control | Department of Energy

    Energy Savers [EERE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on DeliciousMathematicsEnergyInterested PartiesBuildingBudget || DepartmentPutting Solar-ServicesControl Quality

  12. High Performance Indoor Air Quality Specification for Net Zero Energy Homes

    E-Print Network [OSTI]

    High Performance Indoor Air Quality Specification for Net Zero Energy Homes White + GreenSpec SHEET PHOTOVOLTAIC PANELS #12;High Performance Indoor Air Quality Specification for Net Zero Energy Homes NIST GCR 14 Division provides scientific leadership to help the U.S. achieve its vision of net zero energy (NZE

  13. Ecological Modelling 185 (2005) 513529 Air quality prediction in Milan: feed-forward neural networks,

    E-Print Network [OSTI]

    Corani, Giorgio

    2005-01-01

    Ecological Modelling 185 (2005) 513­529 Air quality prediction in Milan: feed-forward neural December 2004; accepted 3 January 2005 Abstract Ozone and PM10 constitute the major concern for air quality of Milan. This paper addresses the problem of the prediction of such two pollutants, using to this end

  14. Emission factor estimation in regional air quality studies of residential natural gas fuel interchangeability

    E-Print Network [OSTI]

    Dabdub, Donald

    Emission factor estimation in regional air quality studies of residential natural gas fuel applicable to investigations of modeling the effect of natural gas interchangeability on urban air quality for natural gas burner emissions data. The method is built to compensate for the typically small sample size

  15. Effects of Air Pollution Control on Climate

    E-Print Network [OSTI]

    Prinn, Ronald G.

    Urban air pollution and climate are closely connected due to shared generating processes (e.g., combustion) for emissions of the driving gases and aerosols. They are also connected because the atmospheric lifecycles of ...

  16. Real-time Air Quality Monitoring Through Mobile Sensing in Metropolitan Areas

    E-Print Network [OSTI]

    Iftode, Liviu

    . General Terms Measurement, Design, Experimentation, Human Factors. Keywords Air Quality, Pollution, Urban levels in the urban and suburban settings. According to the US EPA [3], the six common air pollutants. These are called the criteria pollutants and thus are required to be measured to tell us how healthy the air

  17. New Study Finds Strong Carbon Pollution Standards Improve Air Quality, Environment, and Health

    E-Print Network [OSTI]

    Mohan, Chilukuri K.

    New Study Finds Strong Carbon Pollution Standards Improve Air Quality, Environment, and Health, Co- benefits of Carbon Standards: Air Pollution Changes under Different 111d Options for Existing-by-state changes in harmful air pollution, it is the first study to quantify and map the co-benefits of power plant

  18. On the Challenge of Creating and Communicating Air Quality Information: A Case for Environmental Engineers*

    E-Print Network [OSTI]

    Möbius, Bernd

    , development of air pollutant concentration assessment and interpretation techniques, which must be tailored, with a possible refer- ence to general background information on the nature of the individual air pollutantOn the Challenge of Creating and Communicating Air Quality Information: A Case for Environmental

  19. Impact of domestic woodburning appliances on indoor air quality Corinne Mandin1

    E-Print Network [OSTI]

    Boyer, Edmond

    air pollution study (CITEPA), France * Corresponding email: Eva.Leoz@ineris.fr SUMMARY Data pollutants in ambient air. Consequently our study aims at describing both emission factors and inerisImpact of domestic woodburning appliances on indoor air quality Corinne Mandin1 , Jacques Ribéron2

  20. Ontologies for the Integration of Air Quality Models and 3D City Models

    E-Print Network [OSTI]

    Genève, Université de

    -city densification may limit air pollution, carbon emissions, and energy use through reduced transportation of the most important environmental problems is air pollution, mostly induced by vehicle traffic1 Ontologies for the Integration of Air Quality Models and 3D City Models Claudine Metral Institut

  1. MAQS: A Personalized Mobile Sensing System for Indoor Air Quality Monitoring

    E-Print Network [OSTI]

    Dick, Robert

    -Fi fingerprints; (2) an air exchange rate based IAQ sensing method, which measures general IAQ using only CO2MAQS: A Personalized Mobile Sensing System for Indoor Air Quality Monitoring Yifei Jiang , Kun Li,omkar}@umich.edu, § dickrp@eecs.umich.edu ABSTRACT Most people spend more than 90% of their time in- doors; indoor air

  2. Development of venturi/vortex scrubber technology for controlling chromium electroplating hazardous air emissions. Final report

    SciTech Connect (OSTI)

    Hay, K.J.; Qi, S.; Northrup, J.I.; Heck, S.R.

    1998-07-01

    Chromium has a combination of qualities that give chromium electroplating an important role in coating military hardware and armament. However, chromium electroplating and chromium anodizing operations create hazardous air pollutants in the form of hexavalent chromium. Conventional technologies for controlling this pollutant are expensive, noisy, and use a lot of energy and water. Consequently, an air pollution problem is turned into a water pollution problem that also requires treatment. There is a need for an economical control option that pollutes less than conventional technologies. This project developed control technologies to effectively and economically control hazardous air emissions from Army chromium electroplating and anodizing operations, primarily focusing on the development of the Venturi/Vortex Scrubber technology (VVST).

  3. Mexico City air quality research initiative. Volume 2, Problem definition, background, and summary of prior research

    SciTech Connect (OSTI)

    Not Available

    1994-06-01

    Air pollution in Mexico City has increased along with the growth of the city, the movement of its population, and the growth of employment created by industry. The main cause of pollution in the city is energy consumption. Therefore, it is necessary to take into account the city`s economic development and its prospects when considering the technological relationships between well-being and energy consumption. Air pollution in the city from dust and other particles suspended in the air is an old problem. However, pollution as we know it today began about 50 years ago with the growth of industry, transportation, and population. The level of well-being attained in Mexico City implies a high energy use that necessarily affects the valley`s natural air quality. However, the pollution has grown so fast that the City must act urgently on three fronts: first, following a comprehensive strategy, transform the economic foundation of the city with nonpolluting activities to replace the old industries, second, halt pollution growth through the development of better technologies; and third, use better fuels, emission controls, and protection of wooded areas.

  4. Comparison of freezing control strategies for residential air-to-air heat recovery ventilators

    SciTech Connect (OSTI)

    Phillips, E.G.; Bradley, L.C. ); Chant, R.E. ); Fisher, D.R.

    1989-01-01

    A comparison of the energy performance of defrost and frost control strategies for residential air-to-air heat recovery ventilators (HRV) has been carried out by using computer simulations for various climatic conditions. This paper discusses the results and conclusions from the comparisons and their implications for the heat recovery ventilator manufacturers and system designers.

  5. Development of Foamed Emulsion Bioreactor for Air Pollution Control

    E-Print Network [OSTI]

    Development of Foamed Emulsion Bioreactor for Air Pollution Control Eunsung Kan, Marc A. Deshusses: 10.1002/bit.10767 Abstract: A new type of bioreactor for air pollution con- trol has been developed. The new process relies on an organic-phase emulsion and actively growing pollutant- degrading

  6. INDOOR AIR QUALITY MEASUREMENTS IN ENERGY EFFICIENT BUILDINGS

    E-Print Network [OSTI]

    Hollowell, C.D.

    2011-01-01

    Quality Measurements in Energy Efficient Buildings Craig D.Quality ~leasurements in Energy Efficient Buildings Craig D.Gregory W. Traynor Energy Efficient Buildings Program Energy

  7. Comparing air quality impacts of hydrogen and gasoline

    E-Print Network [OSTI]

    Sperling, Dan; Wang, Guihua; Ogden, Joan M.

    2008-01-01

    pathways Light duty ?eet Urban air pollution 1. Introductionof light duty gasoline ?eets to urban air pollution usingThe PM 10 pollution is the least accurate in the light duty

  8. Alabama Air Pollution Control Act (Alabama) | Department of Energy

    Broader source: Energy.gov (indexed) [DOE]

    requirements, by rule or regulation, as may be necessary to prevent, abate or control air pollution. Such requirements may be for the state as a whole or may vary from area to...

  9. Decision support systems for automated terminal area air traffic control

    E-Print Network [OSTI]

    Pararas, John Demetrios

    1982-01-01

    This work studies the automation of the terminal area Air Traffic Management and Control (ATM/C) system. The ATM/C decision-making process is analyzed and broken down into a number of "automation functions". Each of these ...

  10. Advanced Controls for Industrial Compressed Air Systems 

    E-Print Network [OSTI]

    Vold, P.; Gabel, S.; Carmichael, L.; Curtner, K.; Cirillo, N. C. Jr.

    1997-01-01

    at a Goulds Pumps manufacturing plant in Seneca Falls, New York, and is currently undergoing field testing. The compressed air system will optimize the energy efficiency of the 7 compressor system (1,850hp) at Goulds, while reducing system pressure...

  11. The ends of uncertainty: Air quality science and planning in Central California

    SciTech Connect (OSTI)

    Fine, James

    2003-09-01

    Air quality planning in Central California is complicated and controversial despite millions of dollars invested to improve scientific understanding. This research describes and critiques the use of photochemical air quality simulation modeling studies in planning to attain standards for ground-level ozone in the San Francisco Bay Area and the San Joaquin Valley during the 1990's. Data are gathered through documents and interviews with planners, modelers, and policy-makers at public agencies and with representatives from the regulated and environmental communities. Interactions amongst organizations are diagramed to identify significant nodes of interaction. Dominant policy coalitions are described through narratives distinguished by their uses of and responses to uncertainty, their exposures to risks, and their responses to the principles of conservatism, civil duty, and caution. Policy narratives are delineated using aggregated respondent statements to describe and understand advocacy coalitions. I found that models impacted the planning process significantly, but were used not purely for their scientific capabilities. Modeling results provided justification for decisions based on other constraints and political considerations. Uncertainties were utilized opportunistically by stakeholders instead of managed explicitly. Ultimately, the process supported the partisan views of those in control of the modeling. Based on these findings, as well as a review of model uncertainty analysis capabilities, I recommend modifying the planning process to allow for the development and incorporation of uncertainty information, while addressing the need for inclusive and meaningful public participation. By documenting an actual air quality planning process these findings provide insights about the potential for using new scientific information and understanding to achieve environmental goals, most notably the analysis of uncertainties in modeling applications. Concurrently, needed uncertainty information is identified and capabilities to produce it are assessed. Practices to facilitate incorporation of uncertainty information are suggested based on research findings, as well as theory from the literatures of the policy sciences, decision sciences, science and technology studies, consensus-based and communicative planning, and modeling.

  12. Minimum cost air pollution control for cotton gins 

    E-Print Network [OSTI]

    Flannigan, Steven Shawnacy

    1997-01-01

    cotton, seed and gin trash. Particulate matter (PM) less than 10 (EPA9 1987) and 2.5 micrometers (EPA, 1997), referred to as PMIO and PM2.5 are criteria pollutants with corresponding National Ambient Air Quality Standards (NAAQS). Some cotton gins...

  13. Texas Air Quality Status and the Texas Emission Reduction Plan 

    E-Print Network [OSTI]

    Hildebrand, S.

    2012-01-01

    in eligible areas. With recent legislation, the TERP also supports programs to encourage the use of alternative fuels for transportation in Texas. Clean Air Through Energy Efficiency Conference ? Galveston, Texas ? October 10, 2012 Clean Air... Transportation Triangle (CTT) (new) ? Texas Natural Gas Vehicle Grant Program (TNGVGP) (new) ? Alternative Fueling Facilities Program (AFFP) (new) ? New Technology Implementation Grants (NTIG) Program ? Texas Clean School Bus Program Clean Air Through...

  14. Application of WRF/Chem-MADRID for real-time air quality forecasting over the Southeastern United States

    E-Print Network [OSTI]

    Zhang, Yang

    States Ming-Tung Chuang a , Yang Zhang a,*, Daiwen Kang b a Air Quality Forecasting Lab, North Carolina on a three-dimensional air quality model provides a powerful tool to forecast air quality and advise, inaccuracies in simulated meteorological variables such as 2-m temperature, 10-m wind speed, and precipitation

  15. Air Quality Impacts of Some Alternative Vehicle Options UC Irvine National Fuel Cell Research Center 1 March 28, 2008

    E-Print Network [OSTI]

    Dabdub, Donald

    Air Quality Impacts of Some Alternative Vehicle Options UC Irvine National Fuel Cell Research of California, Irvine (UCI) #12;Air Quality Impacts of Some Alternative Vehicle Options UC Irvine National Fuel.......................................................................................................... 37 #12;Air Quality Impacts of Some Alternative Vehicle Options UC Irvine National Fuel Cell Research

  16. H.N. Knudsen, P. Wargocki and J. Vondruskova (2006) "Effect of ventilation on perceived quality of air polluted

    E-Print Network [OSTI]

    2006-01-01

    quality of air polluted by building materials ­ a summary of reported data", Proceedings of Healthy Buildings 2006, Vol. 1, 57-62. #12;#12;Effect of ventilation on perceived quality of air polluted existing data on how varying ventilation rates affect the perceived quality of air polluted by building

  17. Atmospheric composition change - global and regional air quality

    E-Print Network [OSTI]

    2009-01-01

    in urban air. Atmospheric Chemistry and Physics 5, 2881–deep convective system. Atmospheric Chemistry and Physics 4,processes in atmospheric chemistry. Chemical Society Review

  18. INDOOR AIR QUALITY MEASUREMENTS IN ENERGY EFFICIENT BUILDINGS

    E-Print Network [OSTI]

    Hollowell, C.D.

    2011-01-01

    ROOF PORT HOLES AIR REGISTERS E8 XBL 7712-11473B Figure 3 - Schematic of Exterior and Interior of Energy Efficient

  19. Energy Code Enforcement Training Manual : Covering the Washington State Energy Code and the Ventilation and Indoor Air Quality Code.

    SciTech Connect (OSTI)

    Washington State Energy Code Program

    1992-05-01

    This manual is designed to provide building department personnel with specific inspection and plan review skills and information on provisions of the 1991 edition of the Washington State Energy Code (WSEC). It also provides information on provisions of the new stand-alone Ventilation and Indoor Air Quality (VIAQ) Code.The intent of the WSEC is to reduce the amount of energy used by requiring energy-efficient construction. Such conservation reduces energy requirements, and, as a result, reduces the use of finite resources, such as gas or oil. Lowering energy demand helps everyone by keeping electricity costs down. (It is less expensive to use existing electrical capacity efficiently than it is to develop new and additional capacity needed to heat or cool inefficient buildings.) The new VIAQ Code (effective July, 1991) is a natural companion to the energy code. Whether energy-efficient or not, an homes have potential indoor air quality problems. Studies have shown that indoor air is often more polluted than outdoor air. The VIAQ Code provides a means of exchanging stale air for fresh, without compromising energy savings, by setting standards for a controlled ventilation system. It also offers requirements meant to prevent indoor air pollution from building products or radon.

  20. A pressure control scheme for air brakes in commercial vehicles 

    E-Print Network [OSTI]

    Bowlin, Christopher Leland

    2007-04-25

    This research is focused on developing a control scheme for regulating the pressure in the brake chamber of an air brake system found in most commercial vehicles like trucks, tractor-trailers and buses. Such a control scheme can be used...

  1. Biomass Control in Waste Air Biotrickling Filters by Protozoan Predation

    E-Print Network [OSTI]

    Biomass Control in Waste Air Biotrickling Filters by Protozoan Predation Huub H. J. Cox, Marc A as a means of biomass control. Wet biomass for- mation in 23.6-L reactors over a 77-day period was reduced in the biotrickling filter enriched with protozoa. The lower rate of biomass accumulation after the addi- tion

  2. A response surface model of the air quality impacts of aviation

    E-Print Network [OSTI]

    Ma?ek, Tudor

    2008-01-01

    Aviation demand is expected to double in the coming decades, and there are growing concerns about its impacts on the environment. Governments seek to mitigate the impacts of aviation on climate, air quality, and noise by ...

  3. Quantification of the impact of climate uncertainty on regional air quality

    E-Print Network [OSTI]

    Liao, K.-J.

    Uncertainties in calculated impacts of climate forecasts on future regional air quality are investigated using downscaled MM5 meteorological fields from the NASA GISS and MIT IGSM global models and the CMAQ model in 2050 ...

  4. Modeling VOC sorption of building materials and its impact on indoor air quality

    E-Print Network [OSTI]

    Zhang, Jinsong, 1975-

    2001-01-01

    Sorption of volatile organic compounds (VOCs) by building materials can have significant effect on the indoor VOC concentration levels and indoor air quality in buildings. The objective of this study was to investigate ...

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

    E-Print Network [OSTI]

    Ashok, Akshay

    2011-01-01

    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 ...

  6. How does renewable energy drive community economic development, improve air quality & contribute to healthy families & communities?

    E-Print Network [OSTI]

    de Leon, Alex R.

    · How does renewable energy drive community economic development, improve air quality & contribute to healthy families & communities? · How does renewable energy revitalize agricultural communities, provide energy self-sufficiency & protect the environment? · How do renewable energy & sustainable food create

  7. inAir: A Longitudinal study of Indoor Air Quality Measurements and Visualizations

    E-Print Network [OSTI]

    Chen, Yiling

    pollutants are colorless and odorless, while many activities are inconspicuous and routine. We implemented inAir. Among those, air pollution and its effects on health have been researched extensively over past several decades [13]. In particular, the health effects of air pollution cover a wide variety of respiratory

  8. Clean Air and Environmental Quality Volume 40 No.2. May 2006 43 POTENTIAL IMPACTS OF AIR POLLUTION AEROSOLS ON PRECIPITATION IN AUSTRALIA

    E-Print Network [OSTI]

    Daniel, Rosenfeld

    Clean Air and Environmental Quality Volume 40 No.2. May 2006 43 POTENTIAL IMPACTS OF AIR POLLUTION AEROSOLS ON PRECIPITATION IN AUSTRALIA Potential impacts of air pollution aerosols on precipitation that anthropogenic air pollution downwind of urban and industrial developments affects clouds microphysics

  9. A new method for evaluating regional air quality1 H. F. Dacre3

    E-Print Network [OSTI]

    Dacre, Helen

    , to determine the suitability of new pollution10 source sites and to inform decisions on air pollution strategyA new method for evaluating regional air quality1 forecasts2 H. F. Dacre3 Department of Meteorology of the pollutant field. The SAL method is able to quantify errors in the predicted size and shape of the pol

  10. Effect of a Radiant Panel Cooling System on Indoor Air Quality of a Conditioned Space 

    E-Print Network [OSTI]

    Mohamed, E.; Abdalla, K. N.

    2010-01-01

    This paper discusses the effect of a radiant cooling panel system on an indoor air quality (IAQ) of a conditioned space. In this study, ceiling radiant cooling panel, mechanical ventilation with fan coil unit (FCU) and 100% fresh air are used...

  11. Linking Satellite Ammonia Retrievals with the AIRPACT Air Quality Modeling System.

    E-Print Network [OSTI]

    Collins, Gary S.

    Linking Satellite Ammonia Retrievals with the AIRPACT Air Quality Modeling System. 1 Ayrton Bryan program under grant number 0754990 Introduction Ammonia (NH3) is an important atmospheric pollutant to retrieve ammonia spectra and derive nadir profiles. AIRPACT (Air Indicator Report for Public Awareness

  12. Improving Indoor Air Quality Improves the Performance of Office Work and School Work 

    E-Print Network [OSTI]

    Wargocki, P.

    2008-01-01

    strong incentive for providing indoor air of a quality that is better than the minimum levels required by present standards. IAQ can be improved by reducing the pollution load on the air by selecting low-polluting building and furnishing materials...

  13. Statistical post processing of model output from the air quality model LOTOS-EUROS

    E-Print Network [OSTI]

    Stoffelen, Ad

    are calculated with R, a language for statistical computing. The routine STEP in R is used to remove variablesStatistical post processing of model output from the air quality model LOTOS-EUROS Annemiek Pijnappel De Bilt, 2011 | Stageverslag #12;#12;Statistical post processing of model output from the air

  14. Small Business Air Quality Compliance Assistance Act (Minnesota)

    Broader source: Energy.gov [DOE]

    A small business stationary source that is owned or operated by a person that employs 100 or fewer individuals, is not a major stationary source (as defined by the federal Clean Air Act), does not...

  15. Air quality evaluation of London Paddington train station

    E-Print Network [OSTI]

    Chong, Uven; Swanson, Jacob J.; Boies, Adam M.

    2015-01-01

    concentrations in residential houses. Atmospheric Environment 2004, 38 (21), 3405-3415. 9. Long, C. M.; Suh, H. H.; Koutrakis, P., Characterization of indoor particle sources using continuous mass and size monitors. Journal of the Air & Waste Management...

  16. Integrating affordability, energy and environmental efficiency, air quality and disaster resistance into residential design and construction

    SciTech Connect (OSTI)

    Cook, G.D. [Univ. of Florida, Gainesville, FL (United States)

    1995-12-31

    Much has been researched and written about the individual qualities of good home design and construction in terms of: energy efficiency; affordability; indoor air quality; sustainability; and wind, fire, and flood resistance. The real challenge is to integrate all these characteristics into the ideal house. The purpose of this paper is to review the characteristics of each of the above features and explore the integration of them into the ideal residential structure. The house would take the shape of a compact two story structure. A geometrically compact structure uses less construction materials per floor area, presents less area for improved thermal efficiency, and less profile for wind and flood resistance. The first floor would be constructed using insulated strong high thermal mass masonry system resistant to flood, wind, fire, and termite damage. The second story would be constructed using a lighter reinforced wood frame system with between stud insulation coupled with exterior insulated sheathing to minimize thermal bridging across studs. Optimizing floor plan such as separating living and sleeping areas present opportunities for efficient split HVAC zoning, natural ventilation, and solar passive adaptation. The design would emphasize the 4, 8, and 12 foot dimensioning for waste reduction; selection of environmentally friendly building materials, such as cellulose insulation; and efficient lighting and appliances. Features providing improved indoor air quality such as prudent duct selection, design and location, use of radon barriers, omission of carpeting, and control of moisture would be addressed. The design philosophy, concepts and rationale for the integration of these and many other features of the ideal residence will be addressed and illustrated.

  17. Agricultural burning monitored for air pollutants in Imperial County; exposure reduction recommendations developed

    E-Print Network [OSTI]

    Harnly, Martha; Naik-Patel, Kinnery; Wall, Stephen; Quintana, Penelope J. E.; Pon, Diamon; Wagner, Jeff

    2012-01-01

    et al. 1977). Local Air Pollution management and air qualityPollution Control District [APCD]. 2010. Smoke ManagementSmoke management. Currently, CARB County Air Pollution

  18. ARM: Surface Radiation Measurement Quality Control testing, including climatologically configurable limits

    DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

    Yan Shi; Laura Riihimaki

    1994-01-07

    Surface Radiation Measurement Quality Control testing, including climatologically configurable limits

  19. ARM: Surface Radiation Measurement Quality Control testing, including climatologically configurable limits

    DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

    Yan Shi; Laura Riihimaki

    Surface Radiation Measurement Quality Control testing, including climatologically configurable limits

  20. 9 QUALITY ASSURANCE AND QUALITY CONTROL 9.1 Introduction

    E-Print Network [OSTI]

    that a facility's current Quality Assurance Program can be used. Standard ANSI/ASQC E4-1994 (ASQC 1995) provides and the collection and evaluation of environmental data. Annex B of ANSI/ASQC E4-1994 1 Numerous quality assurance (ASME 1989), and ISO 9000/ASQC Q9000 series (ISO 1987). ANSI/ASQC E4- 1994 (ASQC 1995) is a consensus

  1. California State Water Resources Control Board 401 Water Quality...

    Open Energy Info (EERE)

    California State Water Resources Control Board 401 Water Quality Certification Website Jump to: navigation, search OpenEI Reference LibraryAdd to library Web Site: California State...

  2. Quality Control, Standardization of Upgrades, and Workforce Expectatio...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Expectations Better Buildings Residential Network Workforce Peer Exchange Call Series: Quality Control, Standardization of Upgrades, and Workforce Expectations, March 27, 2014....

  3. IAQ in Hospitals - Better Health through Indoor Air Quality Awareness 

    E-Print Network [OSTI]

    Al-Rajhi, S.; Ramaswamy, M.; Al-Jahwari, F.

    2010-01-01

    the operator and the work by recirculating some of the air through a HEPA filter to provide a down-flow over the working area. Class 3 safety cabinets are totally enclosed units designed to provide a high degree of user protection. As mentioned above... of filters is 6mm WG.Fine filters can filter down to 5-micron size with efficiency of 99.9%. Pressure drop is 15 mm of W.G. High Efficiency Particulate Air (HEPA) filters down to 0.3-micron size. Pressure drop is in these type of filters is 50 mm...

  4. Impact of ozone on indoor air quality: a preliminary field study M. Nicolas, O. Ramalho, F. Maupetit

    E-Print Network [OSTI]

    Boyer, Edmond

    indoor air quality (IAQ) since they produce secondary pollutants, mainly aldehydes which are known to document the impact on IAQ of outdoor ozone during summer air pollution episodes. For this purpose, a oneImpact of ozone on indoor air quality: a preliminary field study M. Nicolas, O. Ramalho, F

  5. The Impact of Climate Change on Air QualityRelated Meteorological Conditions in California. Part I: Present Time Simulation Analysis

    E-Print Network [OSTI]

    Chen, Shu-Hua

    The Impact of Climate Change on Air Quality­Related Meteorological Conditions in California. Part I on meteorology and air quality conditions in Cal- ifornia by dynamically downscaling Parallel Climate Model (PCM: Present Time Simulation Analysis ZHAN ZHAO Department of Land, Air, and Water Resources, University

  6. How to Evaluate Low Excess Air Controls for Packaged Boilers 

    E-Print Network [OSTI]

    Londerville, S. B.; Kerler, W. J.

    1984-01-01

    at reduced excess air levels is ~e the one that best suits your particular boiler and stack loss method. Initial assumptions are t~at payback requirements. the burner will perform at LEA levels and that the flame is sized correctly for the furnace... charac ter istics of your boiler, you can estimate ef ficiency increases based on boiler(burner tuning and burner replacement; the full rewards of LEA firing, however, are unattainable without suit able controls. Unlike most equipment, LEA control...

  7. Hybrid Control Models of Next Generation Air Traffic Management ?

    E-Print Network [OSTI]

    Pappas, George J.

    Hybrid Control Models of Next Generation Air Traffic Management ? C. Tomlin, G. Pappas, J. Lygeros the overcrowding of large urban airports and the need to more efficiently handle larger numbers of aircraft malfunctions, ATC malfunctions (e.g. power failure), shifting winds (that cause changes in approach patterns

  8. CHANCE: comprehensive software for quality control and validation of ChIP-seq data

    E-Print Network [OSTI]

    Diaz, Aaron; Nellore, Abhinav; Song, Jun S

    2012-01-01

    comprehensive software for quality control and validation ofcomprehensive software for quality control and validation ofOther software visualizes the distribution of quality scores

  9. The integration of Automatic Speech Recognition into the Air Traffic Control system

    E-Print Network [OSTI]

    Karlsson Joakim

    1990-01-01

    Today, the Air Traffic Control (ATC) system relies primarily on verbal communication between the air traffic controllers and the pilots of the aircraft in the controlled airspace. Although a computer system exists that ...

  10. Hamilton study: distribution of factors confounding the relationship between air quality and respiratory health

    SciTech Connect (OSTI)

    Pengelly, L.D.; Kerigan, A.T.; Goldsmith, C.H.; Inman, E.M.

    1984-10-01

    Hamilton, Ontario is an industrial city with a population of 300,000 which is situated at the western end of Lake Ontario. Canada's two largest iron and steel mills are located here; the city historically has had relatively poor air quality, which has improved markedly in the last 25 years. Concern about the health effects of current air quality recently led us to carry out an epidemiological study of the effects of air pollution on the respiratory health of over 3500 school children. Respiratory health was measured by pulmonary function testing of each child, and by an assessment of each child's respiratory symptoms via a questionnaire administered to the parents. Previous studies had shown that other environmental factors (e.g. parental smoking, parental cough, socioeconomic level, housing, and gas cooking) might also affect respiratory health, and thus confound any potential relationships between health and air pollution. The questionnaire also collected information on many of these confounding factors. For the purposes of initial analysis, the city was divided into five areas in which differences in air quality were expected. In general, factors which have been associated with poor respiratory health were observed to be more prevalent in areas of poorer air quality.

  11. RAPID/Geothermal/Air Quality/Alaska | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsourceBulkTransmission/Environment/Nevada < RAPID‎RAPID/BulkTransmission/SiteWaterRAPID/Geothermal/Air

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

    E-Print Network [OSTI]

    Carerras-Sospedra, Marc

    2012-01-01

    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

  13. Aalborg Universitet Secondary Control for Voltage Quality Enhancement in Microgrids

    E-Print Network [OSTI]

    Vasquez, Juan Carlos

    Aalborg Universitet Secondary Control for Voltage Quality Enhancement in Microgrids Savaghebi). Secondary Control for Voltage Quality Enhancement in Microgrids. I E E E Transactions on Smart Grid, 3 in Microgrids," Smart Grid, IEEE Transactions on , vol.3, no.4, pp.1893-1902, Dec. 2012. doi: 10.1109/TSG.2012

  14. Quality Control Planning for the Mother Boards 1. Overview

    E-Print Network [OSTI]

    5/29/99 Quality Control Planning for the Mother Boards 1. Overview The quality control is divided manufacturing to ensure that the production is proceeding as planned. In a second phase, burn-in and detailed Tests Once production is ready to begin, a group of 5 cards will be prepared by the manufacturer

  15. The Impact of CO2-Based Demand-Controlled Ventilation on Energy Consumptions for Air Source Heat Pumps in Schools 

    E-Print Network [OSTI]

    AlRaees, N.; Nassif, N.

    2013-01-01

    There have been increasingly growing concerns for many years over the quality of the air inside buildings and the associated energy use. The CO2-based demand-controlled ventilation DCV offers a great opportunity to reduce energy consumption in HVAC...

  16. Washington Air Quality Notice of Construction Permit Regulatory Handbook |

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page| Open Energy Information Serbia-EnhancingEt Al.,Turin,VillageWarren Park, Indiana:Open Energy Information Air

  17. RAPID/BulkTransmission/Air Quality | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource HistoryPotentialRuralUtilityScalePVGeneration JumpPublic UtilityQuintasNEPA TimelinesBulkTransmission/Air

  18. Pollution Control in a Manufacturing System Stochastic Models for Analysis and Control of Air Pollution

    E-Print Network [OSTI]

    Gosavi, Abhijit

    Pollution Control in a Manufacturing System Stochastic Models for Analysis and Control of Air Pollution in a Manufacturing System Jan, 1, 2005 Technical Report SOPTL-05-01 Missouri University of Science models that can be used for controlling pollution in a manufacturing system. The models are developed

  19. Air Quality Scoping Study for Ash Meadows National Wildlife Refuge, Nevada (EMSI April 2007)

    SciTech Connect (OSTI)

    Engelbrecht, Johann; Kavouras, Ilias; Campbell, Dave; Campbell, Scott; Kohl, Steven; Shafer, David

    2007-04-01

    The Desert Research Institute (DRI) is performing a scoping study as part of the U.S.Department of Energy’s Yucca Mountain Environmental Monitoring Systems Initiative (EMSI). The main objective is to obtain baseline air quality information for Yucca Mountain and an area surrounding the Nevada Test Site (NTS). Air quality and meteorological monitoring and sampling equipment housed in a mobile trailer (shelter) is collecting data at seven sites outside the NTS, including Ash Meadows National Wildlife Refuge, Sarcobatus Flat, Beatty, Rachel, Caliente, Pahranagat National Wildlife Refuge, and Crater Flat, and at four sites on the NTS. The trailer is stationed at any one site for approximately eight weeks at a time. Letter reports provide summaries of air quality and meteorological data, on completion of each site’s sampling program.

  20. Air Quality Scoping Study for Sarcobatus Flat, Nevada (EMSI April 2007)

    SciTech Connect (OSTI)

    Engelbrecht, Johann; Kavouras, Ilias; Campbell, Dave; Campbell, Scott; Kohl, Steven; Shafer, David

    2007-04-01

    The Desert Research Institute (DRI) is performing a scoping study as part of the U.S. Department of Energy’s Yucca Mountain Environmental Monitoring Systems Initiative (EMSI). The main objective is to obtain baseline air quality information for Yucca Mountain and an area surrounding the Nevada Test Site (NTS). Air quality and meteorological monitoring and sampling equipment housed in a mobile trailer (shelter) is collecting data at seven sites outside the NTS, including Ash Meadows National Wildlife Refuge, Sarcobatus Flat, Beatty, Rachel, Caliente, Pahranagat National Wildlife Refuge, and Crater Flat, and at four sites on the NTS. The trailer is stationed at any one site for approximately eight weeks at a time. Letter reports provide summaries of air quality and meteorological data, on completion of each site’s sampling program.

  1. Uinta Basin Oil and Gas Development Air Quality Constraints

    E-Print Network [OSTI]

    Utah, University of

    Production EASTERN UTAH BLM Proposed Leasing for Oil Shale and Tar Sands Development "Indian Country" ­ Regulatory Authority Controlled by the Tribes and EPA Oil Shale Leasing Tar Sands Leasing "Indian Country

  2. Energy Efficiency in Buildings as an Air Quality Compliance Approach: Opportunities for the U.S. Department of Energy

    E-Print Network [OSTI]

    Vine, Edward

    2002-01-01

    LBNL-49750 Energy Efficiency in Buildings as an Air QualityStudy on Energy Efficiency in Buildings (www.aceee.org), and

  3. Energy Efficiency in Buildings as an Air Quality Compliance Approach: Opportunities for the U.S. Department of Energy

    E-Print Network [OSTI]

    Vine, Edward

    2002-01-01

    reductions from energy-efficiency building technologies andreductions from energy-efficiency building technologies andLBNL-49750 Energy Efficiency in Buildings as an Air Quality

  4. NIF Projects Controls and Information Systems Software Quality Assurance Plan

    SciTech Connect (OSTI)

    Fishler, B

    2011-03-18

    Quality achievement for the National Ignition Facility (NIF) and the National Ignition Campaign (NIC) is the responsibility of the NIF Projects line organization as described in the NIF and Photon Science Directorate Quality Assurance Plan (NIF QA Plan). This Software Quality Assurance Plan (SQAP) is subordinate to the NIF QA Plan and establishes quality assurance (QA) activities for the software subsystems within Controls and Information Systems (CIS). This SQAP implements an activity level software quality assurance plan for NIF Projects as required by the LLNL Institutional Software Quality Assurance Program (ISQAP). Planned QA activities help achieve, assess, and maintain appropriate quality of software developed and/or acquired for control systems, shot data systems, laser performance modeling systems, business applications, industrial control and safety systems, and information technology systems. The objective of this SQAP is to ensure that appropriate controls are developed and implemented for management planning, work execution, and quality assessment of the CIS organization's software activities. The CIS line organization places special QA emphasis on rigorous configuration control, change management, testing, and issue tracking to help achieve its quality goals.

  5. New Mexico Air Quality Universal Application | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History ViewMayo, Maryland:NPI Ventures LtdNeville, Ohio: EnergyHavenInformationMarket,Meadows,Quality

  6. WDEQ-Air Quality Division | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX ECoop IncIowa (Utility Company)Idaho)Vossloh Kiepe Jump to: navigation,Quality Division

  7. A diagnostic procedure for multivariate quality control 

    E-Print Network [OSTI]

    Keserla, Adhinarayan A.

    1993-01-01

    There are many instances in which the quality of a product or stability of a process is determined by several variables. Most often there exist correlations among the variables monitored. In such situations one wishes to take advantage...

  8. Air quality during the 2008 Beijing Olympics: secondary pollutants and regional impact

    E-Print Network [OSTI]

    2010-01-01

    air pollutant emissions of coal-fired power plants in China:advanced NO x control in coal- fired power plants and to acontrol of emissions in coal- fired power plants, CO from

  9. CEGR 6090 -Water Quality Control Course Description

    E-Print Network [OSTI]

    Bowen, James D.

    dispersion, turbulent diffusion, transport across interfaces, thermal pollution, eutrophication, pollution. "Environmental Modeling: Fate and Transport of Pollutants in Water, Air, and Soil." Wiley-Interscience, New York. Transport in estuaries. V. Impacts of conventional pollutants on surface waters VI. Eutrophication VII

  10. Boise Air Traffic Control Tower: High Performance and sustainable Building Guiding Principles Technical Assistance

    SciTech Connect (OSTI)

    Fowler, Kimberly M.; Goel, Supriya; Henderson, Jordan W.

    2013-09-01

    Overview of energy efficiency opportunities for new FAA tower construction using the Boise Air Traffic Control Tower as an example.

  11. Atmospheric Environment 41 (2007) 56185635 Air quality impacts of distributed power generation in the

    E-Print Network [OSTI]

    Dabdub, Donald

    2007-01-01

    analysis; Spatial sensitivity 1. Introduction Distributed energy resources (DER) have the potential is expected. The use of these distributed generation (DG) resources results in multiple stationary powerAtmospheric Environment 41 (2007) 5618­5635 Air quality impacts of distributed power generation

  12. IMPACT OF LOW-EMISSION DIESEL ENGINES ON UNDERGROUND MINE AIR QUALITY

    E-Print Network [OSTI]

    Minnesota, University of

    1 IMPACT OF LOW-EMISSION DIESEL ENGINES ON UNDERGROUND MINE AIR QUALITY Susan T. Bagley1, Winthrop-1295 2 Department of Mechanical Engineering, Center for Diesel Research, University of Minnesota, 111, however, is providing the report on its Website because it is important for parties interested in diesel

  13. Airborne cloud condensation nuclei measurements during the 2006 Texas Air Quality Study

    E-Print Network [OSTI]

    Jimenez, Jose-Luis

    Administration WP3D platform during the 2006 Texas Air Quality Study/Gulf of Mexico Atmospheric Composition indirectly influence climate through their impact on cloud radiative properties and the hydro- logical cycle and Environmental Engineering, Bourns College of EngineeringCenter for Environmental Research and Techno

  14. A Portable Low-Cost High Density Sensor Network for Air Quality at London Heathrow Airport

    E-Print Network [OSTI]

    Jackson, Sophie

    species: CO, NO, O3, SO2, NO2 (electrochemical (EC) at 2 s) CO2 and total VOCs (optical at 10 s). · Size stations outside LHR (all CO2, sizeA Portable Low-Cost High Density Sensor Network for Air Quality at London Heathrow Airport Olalekan

  15. Air Quality Impacts of Distributed Energy Resources Implemented in the Northeastern United States

    E-Print Network [OSTI]

    Dabdub, Donald

    fine particulate matter (PM2.5) concentrations reach 3 g/m3 and are located off the coast of New JerseyAir Quality Impacts of Distributed Energy Resources Implemented in the Northeastern United States and Energy Program, National Fuel Cell Research Center, The Henry Samueli School of Engineering, University

  16. Weatherization and Indoor Air Quality: Measured Impacts in Single Family Homes Under the Weatherization Assistance Program

    SciTech Connect (OSTI)

    Pigg, Scott; Cautley, Dan; Francisco, Paul; Hawkins, Beth A; Brennan, Terry M

    2014-09-01

    This report summarizes findings from a national field study of indoor air quality parameters in homes treated under the Weatherization Assistance Program (WAP). The study involved testing and monitoring in 514 single-family homes (including mobile homes) located in 35 states and served by 88 local weatherization agencies.

  17. Life cycle air quality impacts of conventional and alternative light-duty transportation in the

    E-Print Network [OSTI]

    Mlllet, Dylan B.

    Life cycle air quality impacts of conventional and alternative light-duty transportation biofuels, diesel, and compressed natural gas (CNG) in internal combustion engines; the use of electricity of hybrid EV technology. Our approach combines spatially, temporally, and chemically detailed life cycle

  18. Intercontinental influence of NOx and CO emissions on particulate matter air quality

    E-Print Network [OSTI]

    Mickley, Loretta J.

    Intercontinental influence of NOx and CO emissions on particulate matter air quality Eric M emissions and hence already high levels of PM. US NOx and CO emissions increase annual mean PM in northern in China it is mostly as nitrate. East Asian NOx and CO emissions have a weaker intercontinental influence

  19. Ensemble-based air quality forecasts: A multimodel approach applied to ozone

    E-Print Network [OSTI]

    Mallet, Vivien

    Ensemble-based air quality forecasts: A multimodel approach applied to ozone Vivien Mallet1 21 September 2006. [1] The potential of ensemble techniques to improve ozone forecasts ozone-monitoring networks. We found that several linear combinations of models have the potential

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

    E-Print Network [OSTI]

    Influence of air quality model resolution on uncertainty associated with health impacts* Tammy M interactions among natural and human climate system components; objectively assess uncertainty in economic, monitor and verify greenhouse gas emissions and climatic impacts. This reprint is one of a series intended

  1. Comfort, Indoor Air Quality, and Energy Consumption in Low Energy Homes

    SciTech Connect (OSTI)

    Englemann, P.; Roth, K.; Tiefenbeck, V.

    2013-01-01

    This report documents the results of an in-depth evaluation of energy consumption and thermal comfort for two potential net zero-energy homes (NZEHs) in Massachusetts, as well as an indoor air quality (IAQ) evaluation performed in conjunction with Lawrence Berkeley National Laboratory (LBNL).

  2. Evaluating Indoor Air Quality (IAQ) as Modifying Factor in Designing Public School Buildings in Jordan 

    E-Print Network [OSTI]

    Ali, H. H.; Al-Momani, H.

    2004-01-01

    Air Quality (IAQ) as Modifying Factor in Designing Public School Buildings in Jordan Hikmat H. Ali, Ph.D. Hind Al...-Momani Department of Architecture Jordan University of Science and Technology Irbid-Jordan Hikmat_ali@yahoo.com Hikmat@just.edu.jo Phone (962) 2-7201000 Fax (962...

  3. Software Quality Assurance Control of Existing Systems

    Energy Savers [EERE]

    one based on software maintenance and another detailing a baseline recovery strategy are included. SQA Control of Existing Systems SQAS22.01.00-2002 Acknowledgments The...

  4. Monitoring indoor air quality in French schools and day-care centres. Results from the first phase of a pilot survey.

    E-Print Network [OSTI]

    Boyer, Edmond

    . KEYWORDS Air pollution, air stuffiness, formaldehyde, benzene. 1 INTRODUCTION Indoor air quality to determine an air stuffiness index as an indirect mean to assess pollutants accumulation in a closed spaceMonitoring indoor air quality in French schools and day-care centres. Results from the first phase

  5. Sensitivity of China's ozone air quality to 2000-2050 global changes of1 climate and emissions2

    E-Print Network [OSTI]

    Wu, Shiliang

    1 Sensitivity of China's ozone air quality to 2000-2050 global changes of1 climate and emissions2 3 the effect on China's ozone air quality from 2000-2050 global15 changes in climate and anthropogenic emissions of ozone precursors. The climate and16 emission effect in combination will increase afternoon mean

  6. Ozone air quality measurement requirements for a geostationary satellite mission Peter Zoogman a,*, Daniel J. Jacob a,b

    E-Print Network [OSTI]

    Chance, Kelly

    Ozone air quality measurement requirements for a geostationary satellite mission Peter Zoogman a Accepted 23 May 2011 Keywords: Air quality Ozone Kalman filter Assimilation Remote sensing a b s t r a c satellite measurements of ozone in different spectral regions to constrain surface ozone concentrations

  7. Better Air Quality in Asian and Pacific Rim Cities (BAQ 2002) 16 Dec 2002 18 Dec 2002, Hong Kong SAR

    E-Print Network [OSTI]

    Columbia University

    Better Air Quality in Asian and Pacific Rim Cities (BAQ 2002) 16 Dec 2002 ­ 18 Dec 2002, Hong Kong Composition of MSW at the beginning of the 21st century in China #12;Better Air Quality in Asian and Pacific Rim Cities (BAQ 2002) 16 Dec 2002 ­ 18 Dec 2002, Hong Kong SAR PS-18- 2 Composition of MSW Composition

  8. Sensitivity of air quality to potential future climate change and emissions in the United1 States and major cities2

    E-Print Network [OSTI]

    Nenes, Athanasios

    1 Sensitivity of air quality to potential future climate change and emissions in the United1 States and future air quality is compared for the years 2006-2010 and17 2048-2052 over the contiguous United States affected by changes in climate, land use and pollutant38 emissions [Weaver et al., 2009]. Predictions

  9. The ORNL Indoor Air Quality Study: Re-cap, Context, and Assessment on Radon

    SciTech Connect (OSTI)

    Tonn, Bruce Edward; Rose, Erin M.; Ternes, Mark P.

    2015-10-01

    As part of the retrospective evaluation of the U.S. Department of Energy s low-income Weatherization Assistance Program that was led by Oak Ridge National Laboratory (ORNL), an assessment of the impacts of weatherization on indoor air quality (IAQ) was conducted. This assessment included nearly 500 treatment and control homes across the country. Homes were monitored for carbon monoxide, radon, formaldehyde, temperature and humidity pre- and post-weatherization. This report focuses on the topic of radon and addresses issues not thoroughly discussed in the original IAQ report. The size, scope and rigor of the radon component of the IAQ study are compared to previous studies that assessed the impacts of weatherization on indoor radon levels. It is found that the ORNL study is by far the most extensive study conducted to date, though the ORNL results are consistent with the findings of the other studies. However, the study does have limitations related to its reliance on short-term measurements of radon and inability to attribute changes in radon levels in homes post-weatherization to specific weatherization measures individually or in combination.

  10. NREL Job Task Analysis: Quality Control Inspector

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankADVANCED MANUFACTURING OFFICESpecialAPPENDIX FOrigin ofAllen LichvarAREVAInnovation: The SpectrumQuality

  11. Air-fuel ratio controller for a turbocharged internal combustion engine

    SciTech Connect (OSTI)

    Serve, J.V.; Eckard, D.W.

    1988-09-13

    This patent describes an air-fuel ratio controller for a gaseous-fueled, turbo-charged engine having an air manifold, a gas manifold, and a turbine inlet. The controller consists of: means for controlling air manifold pressure, comprising means for providing an air manifold pressure set point signal based on gas manifold pressure and engine RPM's and at least one constant input; and means for controlling turbine inlet temperature, the means comprising means for modulating the slope of the set point signal for the air manifold pressure controller.

  12. Salt Repository Project site study plan for meteorology/air quality: Revision 1

    SciTech Connect (OSTI)

    Not Available

    1987-12-01

    The Site Study Plan for Meteorology/Air Quality describes a field program consisting of continuous measurements of wind speed and direction, temperature, humidity, dew point, and pressure neede for later modeling and dose calculations. These measurements will include upper level winds, vertical temperature structure, and vertical wind speed. All measurements will be made at a site located within the 9-m/sup 2/ site area but remote from the ESF. The SSP describes the need for each study; its design and design rationale; analysis, management, and use of data; schedule of field activities, organization of field personnel and sample management and quality assurance requirements. These studies will provide data needed to satisfy requirements contained in, or derived from, the Salt Repository Project Requirements Document. Although titled Meteorology/Air Quality, this SSP addresses only meteorology, as there are no air quality data needs in the SCP. A correction to the title will be made in a later revision. 27 refs., 6 figs., 3 tabs.

  13. Radiological Control Manual Environment, Safety, Health, and Quality Division

    E-Print Network [OSTI]

    Wechsler, Risa H.

    ............................................................................................................................................8 128 Facility Modifications and Radiological Design ConsiderationsRadiological Control Manual Environment, Safety, Health, and Quality Division SLAC-I-720-0A05Z-001 and published by ESHQ Publishing Document Title: Radiological Control Manual Original Publication Date: 1

  14. Air Quality Control Act (New Mexico) | Department of Energy

    Broader source: Energy.gov (indexed) [DOE]

    Systems Integrator Transportation Tribal Government Utility Program Info State New Mexico Program Type Environmental Regulations Provider Environment This act states the duties...

  15. Major: Ecological Systems Design, Air Quality Control and Waste Management

    E-Print Network [OSTI]

    Giger, Christine

    Laboratory: Computer exercises (Pfister) · Regionalized environmental assessment of global power plants of Warsaw, Poland · Environmental Impact of Virtual Meetings including Rebound Effects · Carbon Footprint · Evaluation of future designs of treatment and recycling plants and waste management systems Skills after

  16. AUTOMATIC VARIABLE VENTILATION CONTROL SYSTEMS BASED ON AIR QUALITY DETECTION

    E-Print Network [OSTI]

    Turiel, Isaac

    2011-01-01

    U"'"'''"'" - e "'~saon Automatic Variable Ventilation1979) LBL~8893 EEB Vent 79-3 Automatic variable ventilationmeasurement capabilities o Automatic operation o Low

  17. Nevada Air Quality Control Permitting Guidance Webpage | Open Energy

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History ViewMayo, Maryland:NPI Ventures Ltd JumpNesjavellir Geothermal Power1987) | OpenInformation

  18. Air-Quality Data from NARSTO (North American Research Strategy for Tropospheric Ozone)

    DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

    NARSTO is a public/private partnership dedicated to improving management of air quality in North America. It was established on February 13, 1995 when representatives of Canada, the United States, and Mexico signed the NARSTO Charter in a ceremony at the White House. The Department of Energy is one of the charter members providing funding. The central programmatic goal of NARSTO is to provide data and information for use in the determination of workable, efficient, and effective strategies for local and regional ozone and fine particle management. Since its founding, NARSTO has completed three major scientific Assessments of critical air quality management issues. NARSTO maintains the Quality Systems Science Center and the NARSTO Data Archive for storing data from NARSTO Affiliated Research Activities and making these data available to the scientific community. NARSTO also facilitates activities, such as the Reactivity Research Working Group, which provide critical reviews of the state of the science in areas of interest to air quality policy makers. In January 1997, the U.S. Department of Energy's Environmental Sciences Division announced their sponsorship of the NARSTO Quality Systems Science Center (QSSC). The QSSC is located at the Oak Ridge National Laboratory within the Carbon Dioxide Information Analysis Center (CDIAC). Quality Assurance and Data Management assistance and guidelines are provided by the QSCC, along with access to data files. The permanent data archive is maintained by the NASA EOSDIS Distributed Active Archive Center at the Langley Research Center. The archived data can be reached by a link from the QSSC.(Specialized Interface) See also the NARSTO web site at http://www.narsto.org/

  19. Air cleaners for indoor-air-pollution control (Chapter 10). Book chapter, Feb 89-Jul 90

    SciTech Connect (OSTI)

    Viner, A.S.; Ramanathan, K.; Hanley, J.T.; Smith, D.D.; Ensor, D.S.

    1991-01-01

    The chapter describes an experimental study to evaluate performance characteristics of currently available controls for indoor air pollutants, including both particles and gases. The study evaluated the particle-size-dependent collection efficiency of seven commercially available devices for particulate control: a common furnace filter, four industrial filters, and two electronic air cleaners (EACs). The furnance filter had negligible effect on particles with diameters between 0.1 and 1 micrometer. The industrial filters, with ASHRAE ratings of 95, 85, 65, and 40% showed minimum efficiency at about 0.1 micrometer, which was substantially less than the ASHRAE efficiency. One EAC, essentially a furnance filter with a high-voltage electrode, reached a maximum efficiency of 30% at low flowrates (7 cu m/min); however, it had a negligible effect at higher flowrates. The other EAC, similar to an industrial ESP, showed efficiencies of 80-90% over the entire size range at low to moderate flowrates. At the highest flowrate, a minimum efficiency was detected at 0.35 micrometer. The study also evaluated the suitability of commerically available carbon-based sorbents (wood, coal, and coconut) for removing low concentrations of volatile organic compounds (benzene, acetaldehyde, and 1,1,1-trichloroethane).

  20. Model Reduction for Indoor-Air Behavior in Control Design for Energy-Efficient Buildings

    E-Print Network [OSTI]

    Gugercin, Serkan

    Model Reduction for Indoor-Air Behavior in Control Design for Energy-Efficient Buildings Jeff models for the indoor-air environment in control design for energy efficient buildings. In one method by a desire to incorporate models of the indoor-air environment in the design of energy efficient buildings

  1. Theoretical Study of a Novel Control Method of VAV Air-conditioning System Based on MATLAB 

    E-Print Network [OSTI]

    Shi, Z.; Hu, S.; Wang, G.; Li, A.

    2006-01-01

    The main purpose of this study is to put forward a novel nonlinear feedback control strategy on controlling indoor air temperature by variable air volume. A dynamic model of a typical room for a VAV air-conditioning system is established...

  2. Air pollution and asthma control in the Epidemiological study on the Genetics and Environment of Asthma

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Air pollution and asthma control in the Epidemiological study on the Genetics and Environment Cedex, France Tel: +33 (0)1 45 59 50 12 Fax: +33 (0)1 45 59 51 69 Key words: air pollution, asthma;1 Abstract Background: The associations between exposure to air pollution and asthma control are not well

  3. Assessment methodology for the air quality impact of residential wood burning

    SciTech Connect (OSTI)

    Lipfert, F.W.

    1981-01-01

    Data from surveys of 1977-1979 indicate that firewood usage tends to vary inversely with population density, resulting in an implied limit to the density of usage. Tests of wood stoves indicate that emissions of particulates vary inversely with heat demand, such that nighttime emissions at low combustion rates may be worse than those during maximum heat demand conditions. Finally, atmospheric dispersion rates are coupled to the driving forces of space heating so that nighttime emissions tend to have a disproportionately large impact on ambient air quality. All of these factors must be considered jointly in order to perform a meaningful assessment of the air quality impacts of increased residential wood fuel use; the results indicate that in flat terrain primary ambient standards are not threatened by residential wood combustion.

  4. Data Quality Objectives Supporting Radiological Air Emissions Monitoring for the PNNL Site

    SciTech Connect (OSTI)

    Barnett, J. M.; Meier, Kirsten M.; Snyder, Sandra F.; Fritz, Brad G.; Poston, Ted M.; Rhoads, Kathleen

    2010-05-25

    This document of Data Quality Objectives (DQOs) was prepared based on the U.S. Environmental Protection Agency (EPA) Guidance on Systematic Planning Using the Data Quality Objectives Process, EPA, QA/G4, 2/2006 (EPA 2006) as well as several other published DQOs. Pacific Northwest National Laboratory (PNNL) is in the process of developing a radiological air monitoring program for the PNNL Site that is distinct from that of the nearby Hanford Site. Radiological emissions at the PNNL Site result from Physical Sciences Facility (PSF) major emissions units. A team was established to determine how the PNNL Site would meet federal regulations and address guidelines developed to monitor and estimate offsite air emissions of radioactive materials. The result is a program that monitors the impact to the public from the PNNL Site.

  5. Air Quality

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    is a hazard to human health when the particle size becomes small enough to enter the lungs, e.g., smoke. At LANL, particulate matter concentrations are measured continuously and...

  6. Impacts of Western Area Power Administration`s power marketing alternatives on air quality and noise

    SciTech Connect (OSTI)

    Chun, K.C.; Chang, Y.S.; Rabchuk, J.A.

    1995-05-01

    The Western Area Power Administration, which is responsible for marketing electricity produced at the hydroelectric power-generating facilities operated by the Bureau of Reclamation on the Upper Colorado River, has proposed changes in the levels of its commitment (sales) of long-term firm capacity and energy to its customers. This report describes (1) the existing conditions of air resources (climate and meteorology, ambient air quality, and acoustic environment) of the region potentially affected by the proposed action and (2) the methodology used and the results of analyses conducted to assess the potential impacts on air resources of the proposed action and the commitment-level alternatives. Analyses were performed for the potential impacts of both commitment-level alternatives and supply options, which include combinations of electric power purchases and different operational scenarios of the hydroelectric power-generating facilities.

  7. Regulations of the Arkansas Plan of Implementation for Air Pollution Control (Arkansas)

    Broader source: Energy.gov [DOE]

    The Regulations of the Arkansas Plan of Implementation for Air Pollution Control are applicable to any stationary source that has the potential to emit any federally regulated air pollutant. The...

  8. The Effect of Pressure Difference Control on Hydraulic Stability in a Variable Flow Air Conditioning System 

    E-Print Network [OSTI]

    Zhang, Z.; Fu, Y.; Chen, Y.

    2006-01-01

    This paper analyzes the effects of different pressure difference control methods on hydraulic stability in a variable flow air conditioning system when it is applied to different air conditioning water systems. According ...

  9. Better Unitary Equipment Air-Handlers for Efficiency and Humidity Control 

    E-Print Network [OSTI]

    Sachs, H. M.

    2002-01-01

    procedure gives too little credit for advanced air handlers that reduce air conditioning load and facilitate adaptive humidity control through automatic fan speed adjustment. DC permanent magnet variable speed motors have much lower market share than less...

  10. Asthma in the vicinity of power stations: II. Outdoor air quality and symptoms

    SciTech Connect (OSTI)

    Henry, R.L.; Bridgman, H.A.; Wlodarczyk, J.; Abramson, R.; Adler, J.A.; Hensley, M.J. )

    1991-01-01

    To assess longitudinally the effect of living in the vicinity of coal-fired power stations on children with asthma, 99 schoolchildren with a history of wheezing in the previous 12 months were studied for 1 year, using daily diaries and measurements of air quality. The children had been identified in a cross-sectional survey of two coastal areas: Lake Munmorah (LM), within 5 km of two power stations, and Nelson Bay (NB), free from major industry. Daily air quality (sulphur dioxide (SO2) and nitrogen oxides (NOx)), respiratory symptoms, and treatment for asthma were recorded throughout the year. Measurements of SO2 and NOx at LM were well within recommended guidelines although they were several times higher than at NB: maximum daily levels in SO2 (micrograms/m3) were 26 at LM, 11 at NB (standard, 365); yearly average SO2 was 2 at LM, 0.3 at NB (standard, 60); yearly average NOx (micrograms/m3) was 2 at LM, 0.4 at NB (standard, 94). Marked weekly fluctuations occurred in the prevalence of cough, wheezing, and breathlessness, without any substantial differences between LM and NB. Overall, the prevalence of symptoms was low (10% for wheezing, 20% for any symptom). Whether the daily SO2 and NOx levels affected the occurrence of respiratory symptoms was investigated in children at LM using a logistic regression (Korn and Whittemore technique). For these children as a group, air quality measurements were not associated with the occurrence of symptoms.

  11. A Hybrid Sensor System for Indoor Air Quality Monitoring Yun Xiang, Ricardo Piedrahita, Robert P. Dick, Michael Hannigan, Qin Lv, Li Shang

    E-Print Network [OSTI]

    Dick, Robert

    .shang}@colorado.edu Abstract--Indoor air quality is important. It influences human productivity and health. Personal pollution pollutant exposure is important. Currently, stationary and accurate air quality monitoring sen- sors [30A Hybrid Sensor System for Indoor Air Quality Monitoring Yun Xiang, Ricardo Piedrahita, Robert P

  12. With harmful ozone concentrations tied to meteorological conditions, EPA investigates the U.S. air quality implications of a changing climate.

    E-Print Network [OSTI]

    Goldstein, Allen

    With harmful ozone concentrations tied to meteorological conditions, EPA investigates the U.S. air?" noting that ". . . changing climatic conditions could significantly affect the air quality in some quality implications of a changing climate. D iscussion of the potential sensitivity of air quality

  13. Quality assurance/quality control (QA/QC) procedures for hazardous-waste incineration. Handbook

    SciTech Connect (OSTI)

    Dux, T.; Gilford, P.; Bergman, F.; Boomer, B.; Hooton, D.

    1990-01-01

    The Environmental Protection Agency (EPA) has promulgated regulations for hazardous waste incinerators under the Resource Conservation and Recovery Act. These regulations require the permit applicant to conduct trial burns to demonstrate compliance with the regulatory limits and provide data needed to write the individual permits. Trial burns require a Quality Assurance Project Plan (QAPjP) with quality assurance/quality control (QA/QC) procedures to control and evaluate data quality. The primary focus of the handbook is the trial burn itself; however, a discussion of the QA/QC for routine incinerator monitoring and permit compliance is included in a separate chapter. The area has slightly different requirements and objectives from those of the trial burn. The trial burn should be viewed as a short-term project with a defined beginning and end, while compliance monitoring is considered an ongoing process.

  14. A Toolkit for Building Energy Consumption Data Quality Assurance/Quality Control 

    E-Print Network [OSTI]

    Baltazar, J.C.

    2011-01-01

    Building Operations, New York City, October 18-20, 2011 ICEBO 2011 ? New York JCB/ESL Outline ? Motivation ? Building Energy Data Quality Assurance/Quality Control (QA/QC) Project ? Tool Development ? Inputs ? Modules ? Outputs...-10-30 Proceedings of the Eleventh International Conference Enhanced Building Operations, New York City, October 18-20, 2011 ICEBO 2011 ? New York JCB/ESL Building Energy Data QA/QC Project ? 150 Campus Buildings (~500 Meters), Total Area ~ 15...

  15. Impacts of Future Climate and Emission Changes on U.S. Air Quality

    SciTech Connect (OSTI)

    Penrod, Ashley; Zhang, Yang; Wang, K.; Wu, Shiang Yuh; Leung, Lai-Yung R.

    2014-06-01

    Changes in climate and emissions will affect future air quality. In this work, simulations of present (2001-2005) and future (2026-2030) regional air quality are conducted with the newly released CMAQ version 5.0 to examine the individual and combined impacts of simulated future climate and anthropogenic emission projections on air quality over the U.S. Current (2001-2005) meteorological and chemical predictions are evaluated against observational data to assess the model’s capability in reproducing the seasonal differences. Overall, WRF and CMAQ perform reasonably well. Increased temperatures (up to 3.18 °C) and decreased ventilation (up to 157 m in planetary boundary layer height) are found in both future winter and summer, with more prominent changes in winter. Increases in future temperatures result in increased isoprene and terpene emissions in winter and summer, driving the increase in maximum 8-h average O3 (up to 5.0 ppb) over the eastern U.S. in winter while decreases in NOx emissions drive the decrease in O3 over most of the U.S. in summer. Future concentrations of PM2.5 in winter and summer and many of its components including organic matter in winter, ammonium and nitrate in summer, and sulfate in winter and summer, decrease due to decreases in primary anthropogenic emissions and the concentrations of secondary anthropogenic pollutants and increased precipitation in winter. Future winter and summer dry and wet deposition fluxes are spatially variable and increase with increasing surface resistance and precipitation (e.g., NH4+ and NO3- dry and wet deposition fluxes increase in winter over much of the U.S.), respectively, and decrease with a decrease in ambient particulate concentrations (e.g., SO42- dry and wet deposition fluxes decrease over the eastern U.S. in summer and winter). Sensitivity simulations show that anthropogenic emission projections dominate over changes in climate in their impacts on the U.S. air quality in the near future. Changes in some regions/species, however, are dominated by climate and/or both climate and anthropogenic emissions, especially in future years that are marked by meteorological conditions conducive to poor air quality.

  16. Energy Efficiency in Buildings as an Air Quality Compliance Approach: Opportunities for the U.S. Department of Energy

    SciTech Connect (OSTI)

    Vine, Edward

    2002-05-01

    Increasing the energy efficiency of end-use equipment in the residential, commercial, and industrial sectors can reduce air pollution emissions and greenhouse gases significantly. Because energy efficiency is an effective means of reducing multi-pollutant emissions, it is important to ensure that energy efficiency is a fully engaged component of emission-reduction programs. However, while energy-efficiency measures are perceived by many stakeholders to be important options for improving air quality, some members in the air quality community are concerned about the ability of these measures to fit in a regulatory framework-in particular, the ability of emissions reductions from energy-efficiency measures to be real, quantifiable, certifiable, and enforceable. Hence, there are few air quality programs that include energy efficiency as a tool for complying with air quality regulations. This paper describes the connection between energy consumption and air quality, the potential role of energy-efficiency measures to meet air quality regulations, the barriers and challenges to the use of these measures in the air quality regulatory environment, and the potential role that the U.S. Department of Energy's (USDOE) Energy Efficiency and Renewable Energy's Building Technology, State and Community Programs (EERE-Buildings) could play in this area. EERE-Buildings can play a very important role in promoting energy efficiency in the air quality community, in ways that are fully consistent with its overall mission. EERE-Buildings will need to work with other stakeholders to aggressively promote energy efficiency via multiple means: publications, analytical tools, pilot programs, demonstrations, and program and policy analysis and evaluation. EERE-Buildings and state energy officials have considerable experience in implementing and monitoring energy-savings projects, as well as in designing documentation and verification requirements of energy-efficiency improvements. The following lists suggest potential EERE-Buildings activities, grouped by whether EERE-Buildings would play a lead or supporting role.

  17. NASA Air Quality Applied Sciences Team (AQAST) Daniel J. Jacob, Harvard University

    E-Print Network [OSTI]

    Jacob, Daniel J.

    management issues, and determine how AQAST can help ­ to-do list! AQAST4 at California Air Resources Board: OMI observes NOx decrease from implementation of emissions control devices (ECDs) on power plants power plants for 2005-2011. We found that OMI clearly detects the implementation of ECDs, though

  18. Data Quality Objectives for Regulatory Requirements for Hazardous and Radioactive Air Emissions Sampling and Analysis

    SciTech Connect (OSTI)

    MULKEY, C.H.

    1999-07-06

    This document describes the results of the data quality objective (DQO) process undertaken to define data needs for state and federal requirements associated with toxic, hazardous, and/or radiological air emissions under the jurisdiction of the River Protection Project (RPP). Hereafter, this document is referred to as the Air DQO. The primary drivers for characterization under this DQO are the regulatory requirements pursuant to Washington State regulations, that may require sampling and analysis. The federal regulations concerning air emissions are incorporated into the Washington State regulations. Data needs exist for nonradioactive and radioactive waste constituents and characteristics as identified through the DQO process described in this document. The purpose is to identify current data needs for complying with regulatory drivers for the measurement of air emissions from RPP facilities in support of air permitting. These drivers include best management practices; similar analyses may have more than one regulatory driver. This document should not be used for determining overall compliance with regulations because the regulations are in constant change, and this document may not reflect the latest regulatory requirements. Regulatory requirements are also expected to change as various permits are issued. Data needs require samples for both radionuclides and nonradionuclide analytes of air emissions from tanks and stored waste containers. The collection of data is to support environmental permitting and compliance, not for health and safety issues. This document does not address health or safety regulations or requirements (those of the Occupational Safety and Health Administration or the National Institute of Occupational Safety and Health) or continuous emission monitoring systems. This DQO is applicable to all equipment, facilities, and operations under the jurisdiction of RPP that emit or have the potential to emit regulated air pollutants.

  19. Element composition and mineralogical characterisation of air pollution control residue from UK energy-from-waste facilities

    E-Print Network [OSTI]

    Crawford, Ian

    Element composition and mineralogical characterisation of air pollution control residue from UKE) Air pollution control residue (APC) Waste characterisation a b s t r a c t Air pollution control (APC://creativecommons.org/licenses/by-nc-nd/3.0/). 1. Introduction 1.1. Background Air pollution control (APC) residues from energy

  20. Temperature Compensated Air/Fuel Ratio Control on a Recuperated Furnace 

    E-Print Network [OSTI]

    Ferri, J. L.

    1983-01-01

    When recuperation is added to a furnace, air/ fuel ratio control seemingly becomes more complicated. Two methods normally used are mass flow control where the fuel pressure or flow is proportional to the mass flow of air or cross-connected control...

  1. ULTRA HIGH EFFICIENCY ESP DEVELOPMENT FOR AIR TOXICS CONTROL

    SciTech Connect (OSTI)

    David K. Anderson

    1999-11-01

    Because more than 90 percent of U.S. coal-fired utility boilers are equipped with electrostatic precipitators (ESPs), retrofitable ESP technologies represent a logical approach towards achieving the Department of Energy's (DOE) goal of a major reduction in fine particulate and mercury emissions (air toxics) from coal based power systems. EPA's recent issuance of significantly tightened ambient air standards for particles smaller than 2.5 {micro}m (PM{sub 2.5}) creates a new urgency for developing cost-effective means to control fine particulate emissions. This challenge is compounded by the on-going switch in the utility industry to low-sulfur Powder River Basin (PRB) coals, that generate higher resistivity and difficult-to-collect fly ash. Particulate emissions can increase by a factor of ten when a utility switches to a low-sulfur coal. Numerous power plants are presently limited in operation by the inability of their ESPs to control opacity at high loads. In Phase I of this program, ABB investigated five technologies to improve the collection of fine particulate and trace metals in ESPs. These included: (1) flue-gas cooling, (2) flue-gas humidification, (3) pulsed energization, (4) wet ESP and precharger modules, and (5) sorbent injection for mercury control. Tests were conducted with an Eastern bituminous coal and a Powder River Basin sub-bituminous low-sulfur coal in an integrated pilot-scale combustor and ESP test facility. The impacts of the different retrofit technologies on ESP performance, individually and in combination, were evaluated indepth through advanced sampling and measurement techniques. In Phase II, the most promising concepts identified from Phase I testing, flue-gas cooling and humidification, pulsed energization, and sorbent injection at low flue-gas temperatures for mercury control, were integrated into a commercially oriented sub-scale system for field testing at Commonwealth Edison's Waukegan Unit No. 8. The main objective of the proposed Phase II testing was to determine longer term ESP performance and mercury capture improvements with the above enhancements for a range of low-sulfur coals currently fired by utilities. Unanticipated cost growth in readying the Pilot Plant for shipment and during slipstream construction at the utility host site resulted in the issuance of a preemptive stop work order from ABB until a detailed technical and budgetary review of the project could be completed. Four program recovery scenarios were developed and presented to the DOE. After careful review of these options, it was decided to terminate the program and although the Pilot Plant installation was essentially completed, no testing was performed. The Pilot Plant was subsequently decommissioned and the host site returned to its preprogram condition.

  2. Street-level air quality : exploring the feasibility of a cyclist-led, crowdsourced map in Singapore and Mexico

    E-Print Network [OSTI]

    Holub, Amalia R. (Amalia Rae)

    2014-01-01

    This thesis explores the feasibility of creating a street-level air quality map, whereby cyclists gather data through a participatory sensing process as they ride around the city. I explore two primary areas required for ...

  3. Defensive Investments and the Demand for Air Quality: Evidence from the NOx Budget Program and Ozone Reductions

    E-Print Network [OSTI]

    Deschênes, Olivier

    Willingness to pay for air quality is a function of health and the costly defensive investments that contribute to health, but there is little research assessing the empirical importance of defensive investments. The setting ...

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

    E-Print Network [OSTI]

    Ratliff, Gayle L. (Gayle Lois)

    2007-01-01

    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, ...

  5. Energy Saving Potentials and Air Quality Benefits of Urban HeatIslandMitigation

    SciTech Connect (OSTI)

    Akbari, Hashem

    2005-08-23

    Urban areas tend to have higher air temperatures than their rural surroundings as a result of gradual surface modifications that include replacing the natural vegetation with buildings and roads. The term ''Urban Heat Island'' describes this phenomenon. The surfaces of buildings and pavements absorb solar radiation and become extremely hot, which in turn warm the surrounding air. Cities that have been ''paved over'' do not receive the benefit of the natural cooling effect of vegetation. As the air temperature rises, so does the demand for air-conditioning (a/c). This leads to higher emissions from power plants, as well as increased smog formation as a result of warmer temperatures. In the United States, we have found that this increase in air temperature is responsible for 5-10% of urban peak electric demand for a/c use, and as much as 20% of population-weighted smog concentrations in urban areas. Simple ways to cool the cities are the use of reflective surfaces (rooftops and pavements) and planting of urban vegetation. On a large scale, the evapotranspiration from vegetation and increased reflection of incoming solar radiation by reflective surfaces will cool a community a few degrees in the summer. As an example, computer simulations for Los Angeles, CA show that resurfacing about two-third of the pavements and rooftops with reflective surfaces and planting three trees per house can cool down LA by an average of 2-3K. This reduction in air temperature will reduce urban smog exposure in the LA basin by roughly the same amount as removing the basin entire onroad vehicle exhaust. Heat island mitigation is an effective air pollution control strategy, more than paying for itself in cooling energy cost savings. We estimate that the cooling energy savings in U.S. from cool surfaces and shade trees, when fully implemented, is about $5 billion per year (about $100 per air-conditioned house).

  6. Provenance and Quality Control in Sensor Networks Barbara Lerner1

    E-Print Network [OSTI]

    Lerner, Barbara Staudt

    . Keywords--provenance metadata, scientific workflow, sensor net- work, Little-JIL I. INTRODUCTION ScientistsProvenance and Quality Control in Sensor Networks Barbara Lerner1 , Emery Boose2 , Leon Osterweil3@cs.umass.edu Abstract--Scientists and society increasingly rely on streaming data from electronic sensors to assess

  7. GenePRIMP: A software quality control tool

    ScienceCinema (OSTI)

    Amrita Pati

    2010-09-01

    Amrita Pati of the DOE Joint Genome Institute's Genome Biology group describes the software tool GenePRIMP and how it fits into the quality control pipeline for microbial genomics. Further details regarding GenePRIMP appear in a paper published online May 2, 2010 in Nature Methods.

  8. GenePRIMP: A software quality control tool

    SciTech Connect (OSTI)

    Amrita Pati

    2010-05-05

    Amrita Pati of the DOE Joint Genome Institute's Genome Biology group describes the software tool GenePRIMP and how it fits into the quality control pipeline for microbial genomics. Further details regarding GenePRIMP appear in a paper published online May 2, 2010 in Nature Methods.

  9. Societal Research Archives System : Retrieval, quality control and analysis

    E-Print Network [OSTI]

    White, Douglas R.

    sample selection and data retrieval to correlation, data quality control, and testing for genetic. NAROLL and R. COHEN (eds.), Handbook of method in cultural anthropology, New York, Natural History Press. at CALIFORNIA DIGITAL LIBRARY on May 3, 2010http://ssi.sagepub.comDownloaded from #12;80 SCOPE OF MATERIALS

  10. Transformer Thermal Modeling: Improving Reliability Using Data Quality Control

    E-Print Network [OSTI]

    1 Transformer Thermal Modeling: Improving Reliability Using Data Quality Control Daniel J. Tylavsky--Eventually all large transformers will be dynamically loaded using models updated regularly from field measured data. Models obtained from measured data give more accurate results than models based on transformer

  11. Breakthrough Technologies Automated Update, Revision, and Quality Control of the

    E-Print Network [OSTI]

    Yandell, Mark

    Breakthrough Technologies Automated Update, Revision, and Quality Control of the Maize Genome that the approximately 2.3-Gb genome of the maize (Zea mays) inbred line B73, a major contributor to much of the germplasm used for U.S. grain production, would be sequenced using a bacterial artificial chromo- some (BAC

  12. Should Title 24 Ventilation Requirements Be Amended to include an Indoor Air Quality Procedure?

    SciTech Connect (OSTI)

    Dutton, Spencer M.; Mendell, Mark J.; Chan, Wanyu R.

    2013-05-13

    Minimum outdoor air ventilation rates (VRs) for buildings are specified in standards, including California?s Title 24 standards. The ASHRAE ventilation standard includes two options for mechanically-ventilated buildings ? a prescriptive ventilation rate procedure (VRP) that specifies minimum VRs that vary among occupancy classes, and a performance-based indoor air quality procedure (IAQP) that may result in lower VRs than the VRP, with associated energy savings, if IAQ meeting specified criteria can be demonstrated. The California Energy Commission has been considering the addition of an IAQP to the Title 24 standards. This paper, based on a review of prior data and new analyses of the IAQP, evaluates four future options for Title 24: no IAQP; adding an alternate VRP, adding an equivalent indoor air quality procedure (EIAQP), and adding an improved ASHRAE-like IAQP. Criteria were established for selecting among options, and feedback was obtained in a workshop of stakeholders. Based on this review, the addition of an alternate VRP is recommended. This procedure would allow lower minimum VRs if a specified set of actions were taken to maintain acceptable IAQ. An alternate VRP could also be a valuable supplement to ASHRAE?s ventilation standard.

  13. 66 USDA Forest Service Gen. Tech. Rep. PSW-GTR-155. 1996. Quality Assurance, Training, and Certification in Ozone Air Pollution Studies Schilling, Miller, and Takemoto

    E-Print Network [OSTI]

    , and Certification in Ozone Air Pollution Studies Schilling, Miller, and Takemoto Air Resources Board. 1990 data: summary of 1990 air quality data-- gaseous and particulate pollutants. Annual summary. Technical guidance for new air pollution sources. Natural Resources Report NPS/NRAQD/NPR­93/09. Denver, CO: Air

  14. Burner Designs and Controls for Variable Air Preheat Systems 

    E-Print Network [OSTI]

    Lied, C. R.

    1981-01-01

    This paper will deal with various ways of reducing fuel costs for direct fired furnaces. Burner design relating to existing furnaces, new furnaces designed to operate initially on cold air with the ability to add preheated air in the future...

  15. An Assessment of the Effectiveness of California's Local Air Pollution Controls

    E-Print Network [OSTI]

    Lin, C.-Y. Cynthia

    15 An Assessment of the Effectiveness of California's Local Air Pollution Controls on Agricultural Sources C.-Y. Cynthia Lin University of California at Davis USA 1. Introduction Air pollution has been [1]. Negative effects of air pollution have been extensively documented, and include impairment

  16. Seasonal versus Episodic Performance Evaluation for an Eulerian Photochemical Air Quality Model

    SciTech Connect (OSTI)

    Jin, Ling; Brown, Nancy J.; Harley, Robert A.; Bao, Jian-Wen; Michelson, Sara A; Wilczak, James M

    2010-04-16

    This study presents detailed evaluation of the seasonal and episodic performance of the Community Multiscale Air Quality (CMAQ) modeling system applied to simulate air quality at a fine grid spacing (4 km horizontal resolution) in central California, where ozone air pollution problems are severe. A rich aerometric database collected during the summer 2000 Central California Ozone Study (CCOS) is used to prepare model inputs and to evaluate meteorological simulations and chemical outputs. We examine both temporal and spatial behaviors of ozone predictions. We highlight synoptically driven high-ozone events (exemplified by the four intensive operating periods (IOPs)) for evaluating both meteorological inputs and chemical outputs (ozone and its precursors) and compare them to the summer average. For most of the summer days, cross-domain normalized gross errors are less than 25% for modeled hourly ozone, and normalized biases are between {+-}15% for both hourly and peak (1 h and 8 h) ozone. The domain-wide aggregated metrics indicate similar performance between the IOPs and the whole summer with respect to predicted ozone and its precursors. Episode-to-episode differences in ozone predictions are more pronounced at a subregional level. The model performs consistently better in the San Joaquin Valley than other air basins, and episodic ozone predictions there are similar to the summer average. Poorer model performance (normalized peak ozone biases <-15% or >15%) is found in the Sacramento Valley and the Bay Area and is most noticeable in episodes that are subject to the largest uncertainties in meteorological fields (wind directions in the Sacramento Valley and timing and strength of onshore flow in the Bay Area) within the boundary layer.

  17. EERE Quality Control Workshop Proceedings Released | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:FinancingPetroleum Based|Department of5 Peer ReviewUse of HeAgenda EERE Quality ControlEERE Quality

  18. Social Engineering Approach to Air Quality Challenge: The Case of Kathmandu

    E-Print Network [OSTI]

    Arya, Ramesh C.

    2000-01-01

    come up WIth programmes that have directly or indirectly suppol1ed the activities aimed at promoting better air q.uality in the kingdom. The USAI~ sponsored Global Resources Institute (GRI) for three-wheeler eleclnc vehicle program. The Danish Agency... to the pollution. The number of vehicles surged significantly in the later years. Mr. Ramcsh C. Arya is an Engineer working at Waler and Energy Secretariat (WECS) R. C AlJ'" 113 Unregulated import of old and new vehicles including the camet of the tourists...

  19. NIOSH (National Institute for Occupational Safety and Health) indoor air quality in office buildings

    SciTech Connect (OSTI)

    Wallingford, K.M.

    1987-01-01

    A total of 356 indoor-air-quality health-hazard evaluations were completed by NIOSH from 1971 through December of 1985. Most of these studies concerned government and private office buildings where there were worker complaints. Worker complaints resulted from contamination from inside the building (19% of the cases), contamination from outside (11 percent), contamination from the building fabric (4%), biological contamination (5%), inadequate ventilation (50%), and unknown causes (11%). Health complaints addressed by investigative efforts included eye irritation, dry throat, headache, fatigue, sinus congestion, skin irritation, shortness of breath, cough, dizziness, and nausea.

  20. NMAC 20.2.72 Air Quality Construction Permits | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History ViewMayo, Maryland: EnergyInformationOliver,Minnesota:EnergyNARI| Open Energy2 Air Quality

  1. Opening Remarks, Achieving Air Quality and Climate Change Goals through Energy and Transportation Transformation

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankADVANCED MANUFACTURINGEnergy Bills and ReduceNovemberDOE'sManagementOpenEI and Linked OpenAir Quality and

  2. Economizer control assembly for regulating the volume flow of outdoor ambient air

    SciTech Connect (OSTI)

    Michaels, D.D. Jr.

    1984-10-23

    An economizer assembly is disclosed wherein a sliding door is utilized for covering an outdoor ambient air opening allowing outdoor ambient air flow into a space to be conditioned. A motor shaft arrangement connected via a rotating drive rod is utilized to slidably displace the door to any position necessary to effectively regulate air flow. The utilization of this economizer control arrangement with a rooftop type air conditioning unit is further disclosed.

  3. Data Quality Objectives Supporting Radiological Air Emissions Monitoring for the Marine Sciences Laboratory, Sequim Site

    SciTech Connect (OSTI)

    Barnett, J. M.; Meier, Kirsten M.; Snyder, Sandra F.; Antonio, Ernest J.; Fritz, Brad G.; Poston, Theodore M.

    2012-12-27

    This document of Data Quality Objectives (DQOs) was prepared based on the U.S. Environmental Protection Agency (EPA) Guidance on Systematic Planning Using the Data Quality Objectives Process, EPA, QA/G4, 2/2006 (EPA 2006), as well as several other published DQOs. The intent of this report is to determine the necessary steps required to ensure that radioactive emissions to the air from the Marine Sciences Laboratory (MSL) headquartered at the Pacific Northwest National Laboratory’s Sequim Marine Research Operations (Sequim Site) on Washington State’s Olympic Peninsula are managed in accordance with regulatory requirements and best practices. The Sequim Site was transitioned in October 2012 from private operation under Battelle Memorial Institute to an exclusive use contract with the U.S. Department of Energy, Office of Science, Pacific Northwest Site Office.

  4. Simulating Energy Efficient Control of Multiple-Compressor Compressed Air Systems 

    E-Print Network [OSTI]

    Murphy, S.

    2015-01-01

    with multiple compressors contain greater opportunity for controls optimization. The three main types of multiple- compressor control strategies which will be discussed in this paper are: pressure band control, network sequencer control, and automatic..., the basic principles and control algorithms are detailed for pressure band control, network sequencer control, and automatic sequencer control strategies for multiple-compressor compressed air systems. Finally, a case study is presented demonstrating...

  5. Energy-Saving Design for Pressure Difference Control in Variable Flow Air Conditioning Systems 

    E-Print Network [OSTI]

    Chen, Y.; Zhang, Z.

    2006-01-01

    This paper analyzes energy-saving design for pressure-difference control in a variable flow air conditioning system, including the application of a pressure-difference control valve and the installation position of a pressure-difference transducer...

  6. Command in air war : centralized vs. decentralized control of combat airpower

    E-Print Network [OSTI]

    Kometer, Michael W

    2005-01-01

    This study answers the question, "What has been the impact of the Information Age on the Air Force's doctrinal tenet of "centralized control and decentralized execution?" It traces the evolution of command and control of ...

  7. An automotive engine model for air-fuel ratio control using cylinder pressure information 

    E-Print Network [OSTI]

    Nana, Emmanuel Tomdio

    1997-01-01

    Increasingly strict emission standards require very accurate and fast air-fuel ratio (AFR) control in combustion engines. This thesis addresses the design methodology currently used for synthesizing a control system for an automotive internal...

  8. Roadmap: Aeronautics-Air Traffic Control -Bachelor of Science [AT-BS-AERN-ATC

    E-Print Network [OSTI]

    Sheridan, Scott

    Roadmap: Aeronautics- Air Traffic Control - Bachelor of Science [AT-BS-AERN-ATC] College of Applied This roadmap is a recommended semester-by-semester plan of study for this major. However, courses #12;Roadmap: Aeronautics- Air Traffic Control - Bachelor of Science [AT-BS-AERN-ATC] College

  9. X-ray Spectroscopy for Quality Control of Chemotherapy Drugs

    SciTech Connect (OSTI)

    Greaves, E. D.; Barros, H.; Bermudez, J.; Sajo-Bohus, L.; Angeli-Greaves, M.

    2007-10-26

    We develop a method, employing Compton peak standardization and the use of matrix-matched spiked samples with Total Reflection X-ray Fluorescence (TXRF), for the determination of platinum plasma concentrations of patients undergoing chemotherapy with Pt-bearing drugs. Direct blood plasma analysis attains Pt detection limits of 70 ng/ml. Measurement results of prescribed drug doses are compared to achieved blood Pt concentrations indicating a lack of expected correlations. Direct analysis of Pt-containing infused drugs from a variety of suppliers indicates cases of abnormal concentrations which raises quality control issues. We demonstrate the potential usefulness of the method for pharmacokinetic studies or for routine optimization and quality control of Pt chemotherapy treatments.

  10. Air Pollution Control Program (Alabama) | Department of Energy

    Broader source: Energy.gov (indexed) [DOE]

    methods and guidelines for maintenance of equipment. It also states guidelines for air pollution emergencies, rules for open burning and incineration of commercial and...

  11. Lifecycle Analysis of Air Quality Impacts of Hydrogen and Gasoline Transportation Fuel Pathways

    E-Print Network [OSTI]

    Wang, Guihua

    2008-01-01

    by Ozone Air Pollution from Motor Vehicles. University ofHealth Effects of Motor-Vehicle Air Pollution. University ofby ozone air pollution from motor vehicles. Journal of

  12. BUILDING VENTILATION AND INDOOR AIR QUALITY PROGRAM. CHAPTER FROM ENERGY AND ENVIRONMENT DIVISION ANNUAL REPORT 1978

    E-Print Network [OSTI]

    Cairns, Elton J.

    2011-01-01

    Traynor, "Combustion-Generated Indoor Air Pollution," LBL-of combustion-generated indoor air pollution concluded thatTraynor, Combustion- Generated Indoor Air Pollution; April,

  13. IMPACT OF REDUCED INFILTRATION AND VENTILATION ON INDOOR AIR QUALITY IN RESIDENTIAL BUILDINGS

    E-Print Network [OSTI]

    Hollowell, Craig D.

    2011-01-01

    G.W. , "Combustion-Generated Indoor Air Pollution," LBLfocused on combustion-generated indoor air pollution, namelyimpact of combustion-generated indoor air pollution on human

  14. Environmental resources of selected areas of Hawaii: Climate, ambient air quality, and noise

    SciTech Connect (OSTI)

    Lombardi, D.A.; Blasing, T.J.; Easterly, C.E.; Reed, R.M.; Hamilton, C.B.

    1995-03-01

    This report has been prepared to make available and archive background scientific data and related information on climate, ambient air quality, and ambient noise levels collected during the preparation of the environmental impact statement (EIS) for Phases 3 and 4 of the Hawaii Geothermal Project (HGP) as defined by the state of Hawaii in its April 1989 proposal to Congress. The US Department of Energy (DOE) published a notice withdrawing its Notice of Intent to prepare the HGP-EIS. Since the state of Hawaii is no longer pursuing or planning to pursue the HGP, DOE considers the project to be terminated. The report presents a general description of the climate add air quality for the islands of Hawaii (henceforth referred to as Hawaii), Maui and Oahu. It also presents a literature review as baseline information on the health effects of sulfide. The scientific background data and related information is being made available for use by others in conducting future scientific research in these areas. This report describes the environmental resources present in the areas studied (i.e., the affected environment) and does not represent an assessment of environmental impacts.

  15. Environmental Resources of Selected Areas of Hawaii: Climate, Ambient Air Quality, and Noise (DRAFT)

    SciTech Connect (OSTI)

    Lombardi, D.A.; Blasing, T.J.; Easterly, C.E.; Hamilton, C.B.

    1994-06-01

    This report has been prepared to make available and archive background scientific data and related information on climate, ambient air quality, and ambient noise levels collected during the preparation of the environmental impact statement (EIS) for Phases 3 and 4 of the Hawaii Geothermal Project (HGP) as defined by the state of hawaii in its April 1989 proposal to Congress. The US Department of Energy (DOE) published a notice in the Federal Register on May 17, 1994 withdrawing its Notice of Intent of February 14, 1992, to prepare the HGP-EIS. Since the state of Hawaii is no longer pursuing or planning to pursue the HGP, DOE considers the project to be terminated. The report presents a general description of the climate and air quality for the islands of Hawaii (henceforth referred to as Hawaii), Maui, and Oahu. It also presents a literature review as baseline information on the health effects of hydrogen sulfide. the scientific background data and related information is being made available for use by others in conducting future scientific research in these areas. This report describes the environmental resources present in the areas studied (i.e., the affected environment) and does not represent an assessment of environmental impacts.

  16. Impacts of Climate Policy on Urban Air Pollution: Implications for Policy Design for Integrating Air-quality Co-benefits

    E-Print Network [OSTI]

    Impacts of Climate Policy on Urban Air Pollution: Implications for Policy Design for Integrating, Technology and Policy Program #12;#12;3 Impacts of Climate Policy on Urban Air Pollution: Implications climate change and urban air pollution and imply that opportunities exist to simultaneously deal

  17. Aircraft measurements of SO2 and aerosols over northeastern China: Vertical pro les and the in uence of weather on air quality

    E-Print Network [OSTI]

    Dickerson, Russell R.

    (e.g., Li et al., 2010a), and should be accounted for in remote sensing of air pollution from space and the in uence of weather on air quality Can Li a , Jeffrey W. Stehr a , Lackson T. Marufu a , Zhanqing Li a t s air quality caused by shift in weather pattern.

  18. 2013 R&D 100 Award: DNATrax could revolutionize air quality detection and tracking

    SciTech Connect (OSTI)

    Farquar, George

    2014-04-03

    A team of LLNL scientists and engineers has developed a safe and versatile material, known as DNA Tagged Reagents for Aerosol Experiments (DNATrax), that can be used to reliably and rapidly diagnose airflow patterns and problems in both indoor and outdoor venues. Until DNATrax particles were developed, no rapid or safe way existed to validate air transport models with realistic particles in the range of 1-10 microns. Successful DNATrax testing was conducted at the Pentagon in November 2012 in conjunction with the Pentagon Force Protection Agency. This study enhanced the team's understanding of indoor ventilation environments created by heating, ventilation and air conditioning (HVAC) systems. DNATrax are particles comprised of sugar and synthetic DNA that serve as a bar code for the particle. The potential for creating unique bar-coded particles is virtually unlimited, thus allowing for simultaneous and repeated releases, which dramatically reduces the costs associated with conducting tests for contaminants. Among the applications for the new material are indoor air quality detection, for homes, offices, ships and airplanes; urban particulate tracking, for subway stations, train stations, and convention centers; environmental release tracking; and oil and gas uses, including fracking, to better track fluid flow.

  19. 2013 R&D 100 Award: DNATrax could revolutionize air quality detection and tracking

    ScienceCinema (OSTI)

    Farquar, George

    2014-07-22

    A team of LLNL scientists and engineers has developed a safe and versatile material, known as DNA Tagged Reagents for Aerosol Experiments (DNATrax), that can be used to reliably and rapidly diagnose airflow patterns and problems in both indoor and outdoor venues. Until DNATrax particles were developed, no rapid or safe way existed to validate air transport models with realistic particles in the range of 1-10 microns. Successful DNATrax testing was conducted at the Pentagon in November 2012 in conjunction with the Pentagon Force Protection Agency. This study enhanced the team's understanding of indoor ventilation environments created by heating, ventilation and air conditioning (HVAC) systems. DNATrax are particles comprised of sugar and synthetic DNA that serve as a bar code for the particle. The potential for creating unique bar-coded particles is virtually unlimited, thus allowing for simultaneous and repeated releases, which dramatically reduces the costs associated with conducting tests for contaminants. Among the applications for the new material are indoor air quality detection, for homes, offices, ships and airplanes; urban particulate tracking, for subway stations, train stations, and convention centers; environmental release tracking; and oil and gas uses, including fracking, to better track fluid flow.

  20. Self-powered automatic secondary air controllers for woodstoves and small furnaces

    DOE Patents [OSTI]

    Siemer, Darryl D. (Idaho Falls, ID)

    1991-01-01

    A controller for automatically regulating the supply of secondary combustion air to woodstoves and small furnaces. The controller includes a movable air valve for controlling the amount of secondary air admitted into the chamber. A self powered means monitors the concentration of combustible gases and vapors and actuates the movable air valve to increase the supply of secondary air in response to increasing concentrations of the combustible gases and vapors. The self-powered means can be two fluid filled sensor bulbs, one of which has a coating of a combustion catalyst. Alternatively, the self powered means can be two metallic stripes laminated together, one of which is coated with a combustion catalyst, and when heated, causes the air valve to actuate.

  1. Direct Digital Control in Air Conditioning Systems for Energy Efficiency 

    E-Print Network [OSTI]

    Liu, W.; Ye, A.; Li, D.

    2006-01-01

    the function and the level of the building, but also save energy. At present, air-conditioning design in internal commercial buildings is becoming more complex and enormous. The proportion of air conditioning systems in the whole building is getting larger...

  2. Improved Air Volume Control Logic for VAV Systems 

    E-Print Network [OSTI]

    Wei, G.; Claridge, D. E.; Sakuri, Y.; M. Liu

    2000-01-01

    In a VAV (variable air volume) system, the set point of the static pressure (usually measured at 213 downstream of the main supply air duct) is maintained by modulating the fan speed or inlet guide vane position. The set point of the static pressure...

  3. Issues and Experiences on Radioactive Waste Quality Control / Quality Assurance with Regard to Future Disposal

    SciTech Connect (OSTI)

    Beckmerhagen, I.; Brennecke, P.; Steyer, S.; Bandt, G.

    2006-07-01

    In the Federal Republic of Germany all types of radioactive waste (short-lived, long-lived) are to be disposed of in deep geological formations. Thus, the safe management of radioactive waste presupposes an appropriate conditioning of primary waste-to-waste packages suitable for emplacement in a repository as well as the documentation of pre-treatment, processing and packaging steps and the waste package characteristics being relevant for disposal. Due to the operation, decommissioning and dismantling of nuclear facilities as well as the application of radioisotopes in industry, medicine and research and development radioactive waste continuously arises in Germany. In order to manage this waste different measures and procedures regarding its conditioning and quality control/quality assurance were introduced and since many years successfully applied. Waste conditioning is especially characterized by a flexible application of the Konrad waste acceptance requirements. The rationale for this approach is due to the present non-availability of a repository in Germany. Several examples of a 'tailor-made' application of the waste acceptance requirements in treatment, conditioning and documentation processes as well as the quality assurance/quality control processes illustrate the current German approach. (authors)

  4. Development and application of procedures to evaluate air quality and visibility impacts of low-altitude flying operations

    SciTech Connect (OSTI)

    Liebsch, E.J.

    1990-08-01

    This report describes the development and application of procedures to evaluate the effects of low-altitude aircraft flights on air quality and visibility. The work summarized in this report was undertaken as part of the larger task of assessing the various potential environmental impacts associated with low-altitude military airspaces. Accomplishing the air quality/visibility analysis for the GEIS included (1) development and application of an integrated air quality model and aircraft emissions database specifically for Military Training Route (MTR) or similar flight operations, (2) selection and application of an existing air quality model to analyze the more widespread and less concentrated aircraft emissions from military Operations Areas (MOAs) and Restricted Areas (RAs), and (3) development and application of procedures to assess impacts of aircraft emissions on visibility. Existing air quality models were considered to be inadequate for predicting ground-level concentrations of pollutants emitted by aircraft along MTRs; therefore, the Single-Aircraft Instantaneous Line Source (SAILS) and Multiple-Aircraft Instantaneous Line Source (MAILS) models were developed to estimate potential impacts along MTRs. Furthermore, a protocol was developed and then applied in the field to determine the degree of visibility impairment caused by aircraft engine exhaust plumes. 19 refs., 2 figs., 3 tabs.

  5. The Guy at the Controls: Labor Quality and Power Plant Efficiency

    E-Print Network [OSTI]

    Bushnell, Jim B; Wolfram, Catherine D

    2007-01-01

    Controls: Labor Quality and Power Plant Efficiency July 2007Controls: Labor Quality and Power Plant E ciency James B.on the fuel e ciency of power plants. Although electricity

  6. Air Pollution Control Fees (Ohio) | Department of Energy

    Broader source: Energy.gov (indexed) [DOE]

    Environmental Protection Agency Facilities with a potential to emit any one regulated air pollutant of a quantity greater than or equal to 100 tons per year, or any one...

  7. Air Pollution Control Regulations: No. 1 - Visible Emissions...

    Broader source: Energy.gov (indexed) [DOE]

    The regulations state that no person shall emit into the atmosphere from any source any air contaminant for a period or periods aggregating more than three minutes in any one hour...

  8. San Joaquin Valley Unified Air Pollution Control District

    E-Print Network [OSTI]

    startup and average, excluding startup and NOx shutdown), (Selective catalytic shutdown), (Selective catalytic reduction, or equal) reduction, or equal) VOC 2.0 ppmv @ 15 % 02 1.5 ppmv @ 15% 02 Air inlet

  9. Literature Review of Air Pollution Control Biofilters and Biotrickling

    E-Print Network [OSTI]

    of growing concern about the potential toxicity and car- cinogenicity of these VOCs. This is reflected; Regulations XIV Toxic Air Contaminants) that aim at reducing toxic VOC emissions from industrial sources

  10. Residential Humidity Control: Exciting New Opportunities with Air Flow Modulation 

    E-Print Network [OSTI]

    Crawford, J. G.

    1987-01-01

    This paper reviews psychrometric principles and shows how to formulate a psychrometric chart from a single equation. The chart is used to demonstrate the manner in which a conventional single-speed air conditioner adjusts its operating point...

  11. Letter Report Yucca Mountain Environmental Monitoring Systems Initiative - Air Quality Scoping Study for Pahranagat National Wildlife Refuge, Lincoln County, Nevada

    SciTech Connect (OSTI)

    J. Engelbrecht; I. Kavouras; D. Campbell; S. Campbell; S. Kohl; D. Shafer

    2009-04-02

    The Desert Research Institute (DRI) is performing a scoping study as part of the U.S. Department of Energy's Yucca Mountain Environmental Monitoring Systems Initiative (EMSI). The main objective is to obtain baseline air quality information for Yucca Mountain and an area surrounding the Nevada Test Site (NTS). Air quality and meteorological monitoring and sampling equipment housed in a mobile trailer (shelter) is collecting data at eight sites outside the NTS, including Ash Meadows National Wildlife Refuge (NWR), Pahranagat NWR, Beatty, Rachel, Caliente, Crater Flat, and Tonopah Airport, and at four sites on the NTS (Engelbrecht et al., 2007a-d). The trailer is stationed at any one site for approximately eight weeks at a time. This letter report provides a summary of air quality and meteorological data on completion of the site's sampling program.

  12. Letter Report: Yucca Mountain Environmental Monitoring Systems Initiative - Air Quality Scoping Study for Crater Flat, Nye County, Nevada

    SciTech Connect (OSTI)

    J. Engelbrecht; I. Kavouras; D. Campbell; S. Campbell; S. Kohl; D. Shafer

    2008-08-01

    The Desert Research Institute (DRI) is performing a scoping study as part of the U.S. Department of Energy's Yucca Mountain Environmental Monitoring Systems Initiative (EMSI). The main objective is to obtain baseline air quality information for Yucca Mountain and an area surrounding the Nevada Test Site (NTS). Air quality and meteorological monitoring and sampling equipment housed in a mobile trailer (shelter) (cover page figure) is collecting data at eight sites outside the NTS, including Ash Meadows National Wildlife Refuge (NWR), Beatty, Sarcobatus Flats, Rachel, Caliente, Pahranagat NWR, Crater Flat, and Tonopah Airport, and at four sites on the NTS (Engelbrecht et al., 2007a-d). The trailer is stationed at any one site for approximately eight weeks at a time. This letter report provides a summary of air quality and meteorological data, on completion of the site's sampling program.

  13. Letter Report: Yucca Mountain Environmental Monitoring Systems Initiative - Air Quality Scoping Study for Tonopah Airport, Nye County, Nevada

    SciTech Connect (OSTI)

    J. Engelbrecht; I. Kavouras; D Campbell; S. Campbell; S. Kohl, D. Shafer

    2008-08-01

    The Desert Research Institute (DRI) is performing a scoping study as part of the U.S. Department of Energy's Yucca Mountain Environmental Monitoring Systems Initiative (EMSI). The main objective is to obtain baseline air quality information for Yucca Mountain and an area surrounding the Nevada Test Site (NTS). Air quality and meteorological monitoring and sampling equipment housed in a mobile trailer (shelter) is collecting data at eight sites outside the NTS, including Ash Meadows National Wildlife Refuge (NWR), Tonopah Airport, Beatty, Rachel, Caliente, Pahranagat NWR, Crater Flat, and the Tonopah Airport, and at four sites on the NTS (Engelbrecht et al., 2007a-d). The trailer is stationed at any one site for approximately eight weeks at a time. This letter report provides a summary of air quality and meteorological data, on completion of the site's sampling program.

  14. Letter Report: Yucca Mountain Environmental Monitoring Systems Initiative - Air Quality Scoping Study for Pahranagat National Wildlife Refuge, Lincoln County, Nevada

    SciTech Connect (OSTI)

    J. Englebrecht; I. Kavouras; D. Campbell; S. Campbell; S. Kohl; D. Shafer

    2008-08-01

    The Desert Research Institute (DRI) is performing a scoping study as part of the U.S. Department of Energy's Yucca Mountain Environmental Monitoring Systems Initiative (EMSI). The main objective is to obtain baseline air quality information for Yucca Mountain and an area surrounding the Nevada Test Site (NTS). Air quality and meteorological monitoring and sampling equipment housed in a mobile trailer (shelter) is collecting data at eight sites outside the NTS, including Ash Meadows National Wildlife Refuge (NWR), Pahranagat NWR, Beatty, Rachel, Caliente, Crater Flat, and Tonopah Airport, and at four sites on the NTS (Engelbrecht et al., 2007a-d). The trailer is stationed at any one site for approximately eight weeks at a time. This letter report provides a summary of air quality and meteorological data on completion of the site's sampling program.

  15. Letter Report Yucca Mountain Environmental Monitoring Systems Initiative - Air Quality Scoping Study for Crater Flat, Nye County, Nevada

    SciTech Connect (OSTI)

    J. Engelbrecht; I. Kavouras; D. Campbell; S.Campbell; S. Kohl; D. Shafer

    2009-04-02

    The Desert Research Institute (DRI) is performing a scoping study as part of the U.S. Department of Energy's Yucca Mountain Environmental Monitoring Systems Initiative (EMSI). The main objective is to obtain baseline air quality information for Yucca Mountain and an area surrounding the Nevada Test Site (NTS). Air quality and meteorological monitoring and sampling equipment housed in a mobile trailer (shelter) (cover page figure) is collecting data at eight sites outside the NTS, including Ash Meadows National Wildlife Refuge (NWR), Beatty, Sarcobatus Flats, Rachel, Caliente, Pahranagat NWR, Crater Flat, and Tonopah Airport, and at four sites on the NTS (Engelbrecht et al., 2007a-d). The trailer is stationed at any one site for approximately eight weeks at a time. This letter report provides a summary of air quality and meteorological data, on completion of the site's sampling program.

  16. Letter Report: Yucca Mountain Environmental Monitoring Systems Initiative - Air Quality Scoping Study for Caliente, Lincoln County, Nevada

    SciTech Connect (OSTI)

    J. Englebrecht; I. Kavouras; D. Campbell; S. Campbell; S. Kohl; D. Shafer

    2008-08-01

    The Desert Research Institute (DRI) is performing a scoping study as part of the U.S. Department of Energy's Yucca Mountain Environmental Monitoring Systems Initiative (EMSI). The main objective is to obtain baseline air quality information for Yucca Mountain and an area surrounding the Nevada Test Site (NTS). Air quality and meteorological monitoring and sampling equipment housed in a mobile trailer (shelter) is collecting data at eight sites outside the NTS, including Ash Meadows National Wildlife Refuge (NWR), Beatty, Sarcobatus Flats, Rachel, Caliente, Pahranagat NWR, Crater Flat, and Tonopah Airport, and at four sites on the NTS (Engelbrecht et al., 2007a-d). The trailer is stationed at any one site for approximately eight weeks at a time. This letter report provides a summary of air quality and meteorological data, on completion of the site's sampling program.

  17. Letter Report Yucca Mountain Environmental Monitoring Systems Initiative - Air Quality Scoping Study for Tonopah Airport, Nye County, Nevada

    SciTech Connect (OSTI)

    J. Engelbrecht; I. Kavouras; D. Campbell; S. Campbell; S. Kohl; D. Shafer

    2009-04-02

    The Desert Research Institute (DRI) is performing a scoping study as part of the U.S. Department of Energy's Yucca Mountain Environmental Monitoring Systems Initiative (EMSI). The main objective is to obtain baseline air quality information for Yucca Mountain and an area surrounding the Nevada Test Site (NTS). Air quality and meteorological monitoring and sampling equipment housed in a mobile trailer (shelter) is collecting data at eight sites outside the NTS, including Ash Meadows National Wildlife Refuge (NWR), Tonopah Airport, Beatty, Rachel, Caliente, Pahranagat NWR, Crater Flat, and the Tonopah Airport, and at four sites on the NTS (Engelbrecht et al., 2007a-d). The trailer is stationed at any one site for approximately eight weeks at a time. This letter report provides a summary of air quality and meteorological data, on completion of the site's sampling program.

  18. Proceedings for air quality management programs: A workshop on lessons learned

    SciTech Connect (OSTI)

    Streit, G.E.

    1993-06-01

    The coordinators of this project at Los Alamos National Laboratory and the Instituto Mexicano del Petroleo proposed a workshop to bring together an international group of experts to present both the lessons of history and the current practices in air quality management around the world. The workshop would also serve as a forum for presenting the accomplishments and plans of this project and for receiving comments from the assembled group. The workshop was favored with an outstanding set of speakers who represented a broad spectrum of experience. Their papers are presented in this volume. The total attendance was forty-four (see List of Participants) with representation from numerous interested Mexican institutions. Individual reports are processed separately for the database.

  19. Development of an air quality model for fugitive dust from mining

    SciTech Connect (OSTI)

    Winges, K.D.

    1982-06-01

    This paper describes a new air quality model, the EMAQ model, and compares it with the standard ISC model. The performance of the EMAQ model is discussed and its accuracy is commented upon. It is not yet determined if the EMAQ model can accurately simulate fugitive dust and a thorough evaluation is yet to be made which would determine if it has the ability to simulate changing wind directions and wind speeds with downwind distance, the ability to simulate pit-retention, the effect of meteorology and other factors on the deposition parameters. The hope is that the tools presented here are a step in the right direction which will eventually lead to reliable fugitive dust impact prediction.

  20. Mexico City air quality research initiative: An overview and some statistical aspects

    SciTech Connect (OSTI)

    Waller, R.A.; Streit, G.E. (Los Alamos National Lab., NM (United States)); Guzman, F. (Instituto Mexicano de Petroleo, Mexico City (Mexico))

    1991-01-01

    The Mexican Petroleum Institute (Institute Mexicano del Petroleo, IMP) and Los Alamos National Laboratory (LANL) are in the first year of a three-year jointly funded project to examine the air quality in Mexico City and to provide techniques to evaluate the impact of proposed mitigation options. The technical tasks include modeling and simulation; monitoring and characterization; and strategic evaluation. Extensive measurements of the atmosphere, climate, and meteorology are being made as part of the study. This presentation provides an overview of the total project plan, reports on the current status of the technical tasks, describes the data collection methods, presents examples of the data analysis and graphics, and suggest roles for statistical analysis in this and similar environmental studies. 8 figs., 4 tabs.

  1. Annual emissions and air-quality impacts of an urban area district-heating system: Boston case study

    SciTech Connect (OSTI)

    Bernow, S.S.; McAnulty, D.R.; Buchsbaum, S.; Levine, E.

    1980-02-01

    A district-heating system, based on thermal energy from power plants retrofitted to operate in the cogeneration mode, is expected to improve local air quality. This possibility has been examined by comparing the emissions of five major atmospheric pollutants, i.e., particulates, sulfur oxides, carbon monoxide, hydrocarbons, and nitrogen oxides, from the existing heating and electric system in the City of Boston with those from a proposed district heating system. Detailed, spatial distribution of existing heating load and fuel mix is developed to specify emissions associated with existing heating systems. Actual electric-power-plant parameters and generation for the base year are specified. Additional plant fuel consumption and emissions resulting from cogeneration operation have been estimated. Six alternative fuel-emissions-control scenarios are considered. The average annual ground-level concentrations of sulfur oxides are calculated using a modified form of the EPA's Climatological Dispersion Model. This report describes the methodology, the results and their implications, and the areas for extended investigation. The initial results confirm expectations. Average sulfur oxides concentrations at various points within and near the city drop by up to 85% in the existing fuels scenarios and by 95% in scenarios in which different fuels and more-stringent emissions controls at the plants are used. These reductions are relative to concentrations caused by fuel combustion for heating and large commercial and industrial process uses within the city and Boston Edison Co. electric generation.

  2. Optimization of Ventilation Energy Demands and Indoor Air Quality in the ZEBRAlliance Homes

    SciTech Connect (OSTI)

    Hun, D.; Jackson, M.; Shrestha, S.

    2013-09-01

    High-performance homes require that ventilation energy demands and indoor air quality (IAQ) be simultaneously optimized. In this project, Oak Ridge National Laboratory researchers attempted to bridge these two areas by conducting tests in research houses located in Oak Ridge, TN, that were less than 2 years old, energy-efficient (i.e., expected to consume 50% less energy than a house built per the 2006 IRC), tightly-built, unoccupied, and unfurnished. The team identified air pollutants of concern in the test homes that could generally serve as indicators of IAQ, and conduced field experiments and computer simulations to determine the effectiveness and energy required by various techniques that lessened the concentration of these contaminants. Formaldehyde was selected as the main pollutant of concern from initial air sampling surveys. Field data indicate that concentrations were higher during the summer primarily because emissions from sources rise with increases in temperature. Furthermore, supply ventilation and gas-phase filtration were effective means to reduce formaldehyde concentrations; however, exhaust ventilation had minimal influence on this pollutant. Results from simulations suggest that formaldehyde concentrations obtained while ventilating per ASHRAE 62.2-2010 could be decreased by about 20% from May through September through three strategies: 1) increasing ASHRAE supply ventilation by a factor of two, 2) reducing the thermostat setpoint from 76 to 74°F, or 3) running a gas-phase filtration system while decreasing supply ventilation per ASHRAE by half. In the mixed-humid climate of Oak Ridge, these strategies caused minimal to modest increases in electricity cost of ~$5 to ~$15/month depending on outdoor conditions.

  3. EERE Quality Control Workshop Agenda | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:FinancingPetroleum Based|Department of5 Peer ReviewUse of HeAgenda EERE Quality Control Workshop

  4. EERE Quality Control Workshop Final Report | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:FinancingPetroleum Based|Department of5 Peer ReviewUse of HeAgenda EERE Quality Control

  5. MODELING AND CONTROL OF A HIGH PRESSURE COMBINED AIR/FUEL INJECTION SYSTEM

    E-Print Network [OSTI]

    Barth, Eric J.

    MODELING AND CONTROL OF A HIGH PRESSURE COMBINED AIR/FUEL INJECTION SYSTEM Chao Yong Eric J. Barth.j.barth@vanderbilt.edu ABSTRACT A high pressure combined air-fuel injection system is designed and tested for an experimental free the compressor's reservoir, and high pressure fuel to mix and then inject into a combustion chamber. This paper

  6. Cattle Feedlot Waste Management Practices -For Water and Air Pollution Control

    E-Print Network [OSTI]

    Mukhtar, Saqib

    Cattle Feedlot Waste Management Practices - For Water and Air Pollution Control John M. Sweeten* Water Pollution and Wastewater Management This bulletin outlines some of the basic regulatory in the potential for both water and air pollution. To prevent potential problems from developinginto real problems

  7. Air Charge Control for Turbocharged Spark Ignition Engines with Internal Exhaust Gas Recirculation

    E-Print Network [OSTI]

    Stefanopoulou, Anna

    ) in the drivability of a turbocharged Spark Ignition Direct Injection (SIDI) engine equipped with dual cam phasing, typically reduces fuel and NOx emissions.The benefits of the high level of iEGR for fuel consumption come with the air- path control loop, Air-to-Fuel Ratio (AFR) is regulated in the fuel path using feedback

  8. Advanced Air Traffic Automation: A Case Study in Distributed Decentralized Control ?

    E-Print Network [OSTI]

    Pappas, George J.

    ,gpappas,janka,lygeros,sastry@eecs.berkeley.edu Abstract. In this survey paper, we present some of the issues in de­ signing algorithms for the control of functioning and efficiency. Of specific interest to us in this paper is advanced air traffic management (ATM verification and design for safe conflict resolution strategies between air­ craft. Both cooperative

  9. Energy Savings with Acceptable Indoor Air Quality Through Improved Air Flow Control in Residential Retrofit

    Broader source: Energy.gov [DOE]

    Lead Performer: Gas Technology Institute—Des Plaines, IL Partners: -- University of Illinois, Urbana IL -- Midwest Energy Efficiency Alliance, Chicago IL

  10. Data Quality Objectives Supporting Radiological Air Emissions Monitoring for the PNNL Site

    SciTech Connect (OSTI)

    Barnett, J. M.; Meier, Kirsten M.; Snyder, Sandra F.; Fritz, Brad G.; Poston, Theodore M.; Antonio, Ernest J.

    2012-11-12

    Pacific Northwest National Laboratory (PNNL) is in the process of developing a radiological air monitoring program for the PNNL Site that is distinct from that of the nearby Hanford Site. The original DQO (PNNL-19427) considered radiological emissions at the PNNL Site from Physical Sciences Facility (PSF) major emissions units. This first revision considers PNNL Site changes subsequent to the implementation of the original DQO. A team was established to determine how the PNNL Site changes would continue to meet federal regulations and address guidelines developed to monitor air emissions and estimate offsite impacts of radioactive material operations. The result is an updated program to monitor the impact to the public from the PNNL Site. The team used the emission unit operation parameters and local meteorological data as well as information from the PSF Potential-to-Emit documentation and Notices of Construction submitted to the Washington State Department of Health (WDOH). The locations where environmental monitoring stations would most successfully characterize the maximum offsite impacts of PNNL Site emissions from the three PSF buildings with major emission units were determined from these data. Three monitoring station locations were determined during the original revision of this document. This first revision considers expanded Department of Energy operations south of the PNNL Site and relocation of the two offsite, northern monitoring stations to sites near the PNNL Site fenceline. Inclusion of the southern facilities resulted in the proposal for a fourth monitoring station in the southern region. The southern expansion added two minor emission unit facilities and one diffuse emission unit facility. Relocation of the two northern stations was possible due to the use of solar power, rather than the previous limitation of the need for access to AC power, at these more remote locations. Addendum A contains all the changes brought about by the revision 1 considerations. This DQO report also updates the discussion of the Environmental Monitoring Plan for the PNNL Site air samples and how existing Hanford Site monitoring program results could be used. This document of Data Quality Objectives (DQOs) was prepared based on the U.S. Environmental Protection Agency (EPA) Guidance on Systematic Planning Using the Data Quality Objectives Process, EPA, QA/G4, 2/2006 (EPA 2006) as well as several other published DQOs.

  11. Assessment of Indoor Air Quality Benefits and Energy Costs of Mechanical Ventilation

    E-Print Network [OSTI]

    Logue, J.M.

    2012-01-01

    Quality Benefits and Energy Costs of Mechanical VentilationQuality Benefits and Energy Costs of Mechanical VentilationQuality Benefits and Energy Costs of Mechanical Ventilation

  12. Lifecycle Analysis of Air Quality Impacts of Hydrogen and Gasoline Transportation Fuel Pathways

    E-Print Network [OSTI]

    Wang, Guihua

    2008-01-01

    of light duty vehicles to urban air pollution are estimatedof on-road light duty vehicles to urban air pollution. Theof light duty fleets to urban air pollution using travel

  13. Improve Indoor Air Quality, Energy Consumption and Building Performance: Leveraging Technology to Improve All Three 

    E-Print Network [OSTI]

    Wiser, D.

    2011-01-01

    suburban-- locations, outdoor air is actually far more polluted than indoor air. Appropriate application of air cleaning technologies and monitoring can allow many buildings to achieve both improved IAQ and lower operating costs....

  14. Supply Air Temperature Control Using a VFD Pump 

    E-Print Network [OSTI]

    Zheng, B.; Liu, M.

    2005-01-01

    pump energy consumption at partial loads, 2) reducing pressure disturbance on control valves, which improves control system performance during operations, and 3) providing potentials to reduce control valve initial cost and maintenance cost... the control valve initial cost by allowing the selection of a lower close-off pressure control valve and can save maintenance cost by reducing leakage. Conclusions The application of the optimal pump head concept to a real project by adjusting pump...

  15. Investigating conformance monitoring issues in air traffic control using fault detection approaches

    E-Print Network [OSTI]

    Reynolds, Tom George, 1972-

    2004-01-01

    In order to maintain Air Traffic Control (ATC) system safety, security and efficiency, conformance monitoring must be performed to ensure that aircraft adhere to their assigned clearances. New Decision Support Tools (DSTs), ...

  16. Investigating the use of wing sweep for pitch control of a small unmanned air vehicle

    E-Print Network [OSTI]

    Wright, Kim

    2011-01-01

    Stall Aerodynamics for UAV Perching." American Institute ofPerching with a Fixed-Wing UAV." American Institute ofControlled SM Static Margin UAV Unmanned Air Vehicle VTOL

  17. DEVELOPING VISUALIZATION TOOLS FOR THE DESIGN OF AIR TRAFFIC CONTROL EXPERIMENTS

    E-Print Network [OSTI]

    Cummings, Mary "Missy"

    for those human factors researchers and practitioners designing experiments. Designing an experimentDEVELOPING VISUALIZATION TOOLS FOR THE DESIGN OF AIR TRAFFIC CONTROL EXPERIMENTS ABSTRACT While, little attention has been paid to developing visualization tools for human factors researchers designing

  18. Optimal Terminal Box Control for Single Duct Air-Handling Units 

    E-Print Network [OSTI]

    Cho, Y.; Vondal, J.; Wang, G.; Liu, M.

    2006-01-01

    Terminal boxes maintain room temperature by modulating supply air temperature and airflow in building HVAC systems. Terminal boxes with conventional control sequences often supply inadequate airflow to a conditioned space, resulting in occupant...

  19. Conformance Monitoring Approaches in Current and Future Air Traffic Control Environments

    E-Print Network [OSTI]

    Reynolds, Tom G.

    Conformance monitoring is a core task in Air Traffic Control (ATC) operations to determine whether aircraft are adhering to assigned trajectories. This is important for many reasons, including to ensure that tactical ...

  20. Identification of Communication and Coordination Issues in the U. S. Air Traffic Control System

    E-Print Network [OSTI]

    Davison, Hayley

    Today’s air traffic control system is approaching the point of saturation, as evidenced by increasing delays across the National Airspace System (NAS). There exists an opportunity to enhance NAS efficiency and reduce ...

  1. Test report, air flow control device for 241-SY waste tankventilation

    SciTech Connect (OSTI)

    Tuck, J.A.

    1997-06-03

    This documents the testing of a passively operated, constant air flow control device for in-duct applications on waste tank ventilation systems in the 50-1000 SCFM range.

  2. Real-time trajectory optimization and air traffic control simulation for noise abatement approach procedures

    E-Print Network [OSTI]

    Zou, Feng, 1977-

    2004-01-01

    Aircraft noise is a major obstacle to the growth of aviation. This thesis presents an adaptive onboard real-time optimization algorithm and an Air Traffic Control simulation model that can minimize the aircraft approach ...

  3. Avionics and control system development for mid-air rendezvous of two unmanned aerial vehicles

    E-Print Network [OSTI]

    Park, Sanghyuk, 1973-

    2004-01-01

    A flight control system was developed to achieve mid-air rendezvous of two unmanned aerial vehicles (UAVs) as a part of the Parent Child Unmanned Aerial Vehicle (PCUAV) project at MIT and the Draper Laboratory. A lateral ...

  4. Air quality impacts and benefits under U.S. policy for air pollution, climate change, and clean energy

    E-Print Network [OSTI]

    Saari, R. K. (Rebecca Kaarina)

    2015-01-01

    Policies that reduce greenhouse gas emissions can also reduce outdoor levels of air pollutants that harm human health by targeting the same emissions sources. However, the design and scale of these policies can affect the ...

  5. Method of making an air electrode material having controlled sinterability

    DOE Patents [OSTI]

    Vasilow, T.R.; Kuo, L.J.H.; Ruka, R.J.

    1994-08-30

    A tubular, porous ceramic electrode structure is made from the sintered admixture of doped lanthanum manganite and an additive containing cerium where a solid electrolyte, substantially surrounds the air electrode, and a porous outer fuel electrode substantially surrounds the electrolyte, to form a fuel cell. 2 figs.

  6. Building America Top Innovations 2012: Outside Air Ventilation Controller

    SciTech Connect (OSTI)

    none,

    2013-01-01

    venThis Building America Top Innovations profile describes Building America research showing how automated night ventilation can reduce cooling energy costs up to 40% and peak demand up to 50% in California’s hot-dry central valley climates and can eliminate the need for air conditioning altogether in the coastal marine climate.

  7. Cyclone Boiler Reburn NOx Control Improvements via Cyclone Design Improvements and Advanced Air Staging 

    E-Print Network [OSTI]

    Morabito, B.; Nee, B.; Goff, V.; Maringo, G.

    2008-01-01

    is the practice of reducing the stoichiometry in the burner zone to near or less than 1.0 and adding the remaining air needed to complete combustion through Over Fire Air (OFA) ports above the burners. Limiting the oxygen available to the fuel as it begins... of the combustion air allowing for equal or better operation with less excess air would in theory, reduce NOx and decrease the natural gas required for control. Babcock & Wilcox Burnout Zone Cyclone Burners Reburn Zone Main Combustion Zone Reburn...

  8. NOx control technology requirements under the United States 1990 Clean Air Act amendments compared to those in selected pacific rim countries. Report for September 1993-September 1994

    SciTech Connect (OSTI)

    Miller, C.A.; Hall, R.E.; Stern, R.D.

    1994-09-01

    The paper compares nitrogen oxide (NOx) control technology requirements under the U.S. 1990 Clean Air Act Amendments (CAAAs) with those in selected Pacific Rim countries. The CAAAs require reduction of NOx emissions under Titles I (requiring control of NOx from all source types for the purpose of attaining ambient air quality standards for NOx and ozone) and IV (requiring control of NOx from coal-fired utility boilers for the reduction of acid rain precursors). Title IV sets national emission standards for dry-bottom wall-fired and tangentially fired boilers based on low NOx burner technology, defined by EPA to include separated overfire air. Emission standards for other boiler types are to be promulgated by 1997. Title I controls, based on reductions necessary to reduce local and regional ambient levels of NOx and ozone, involve Reasonably Available Control Technology (RACT) as defined by EPA`s Office of Air Quality Planning and Standards; however, emission levels are set by the states according to local conditions. Technologies defined as RACT include low NOx burner technology, selective non-catalytic modifications, and selective catalytic reduction. These and other combustion modifications and flue gas treatment technologies are described.

  9. Influence of the public transportation system on the air quality of a major urban center. A case study: Milan, Italy

    E-Print Network [OSTI]

    Dabdub, Donald

    , such as power plant combustion, vehicular emis- sions, and industrial usage. Air quality has been studied. Sherwood Rowland a , Donald R. Blake a a Department of Chemistry, University of California, 531 Rowland, Irvine, CA 92697-2025, USA b Department of Mechanical and Aerospace Engineering, University of California

  10. Effects of Siberian forest fires on air quality in East Asia during May 2003 and its climate implication

    E-Print Network [OSTI]

    Park, Rokjin

    Effects of Siberian forest fires on air quality in East Asia during May 2003 and its climate model Biomass burning Forest fire aerosols Radiative forcing Tropospheric ozone a b s t r a c t In May 2003, intense forest fires occurred over Siberia, which were the largest fires in the past decade

  11. Environmental assessment of air quality, noise and cooling tower drift from the Jersey City Total Energy Demonstration

    SciTech Connect (OSTI)

    Davis, W.T.; Kolb, J.O.

    1980-06-01

    This assessment covers three specific effects from the operation of the Total Energy (TE) demonstration: (1) air quality from combustion emissions of 600 kW diesel engines and auxiliary boilers fueled with No. 2 distillate oil, (2) noise levels from TE equipment operation, (3) cooling tower drift from two, 2220 gpm, forced-draft cooling towers. For the air quality study, measurements were performed to determine both the combustion emission rates and ground-level air quality at the Demonstration site. Stack analysis of NO/sub x/, SO/sub 2/, CO, particulates, and total hydrocarbons characterized emission rates over a range of operating conditions. Ground-level air quality was monitored during two six-week periods during the summer and winter of 1977. The noise study was performed by measuring sound levels in db(A) in the area within approximately 60 m of the CEB. The noise survey investigated the effects on noise distribution of different wind conditions, time of day or night, and condition of doors - open or closed - near the diesel engines in the CEB. In the cooling tower study, drift emission characteristics were measured to quantify the drift emission before and after cleaning of the tower internals to reduce fallout of large drift droplets in the vicinity of the CEB.

  12. Regional air quality impacts of hydraulic fracturing and shale natural gas activity: Evidence from ambient VOC observations

    E-Print Network [OSTI]

    Dickerson, Russell R.

    Regional air quality impacts of hydraulic fracturing and shale natural gas activity: Evidence from/Washington area. Shale natural gas operation emissions appear to be transported downwind. a r t i c l e i n f o to free and extract natural gas trapped within shale layers (USGS, 2014). According to the U.S. Energy

  13. Indoor Air Quality of Weatherized Homes in the Northeast A Cornell University study, funded by the Alfred P. Sloan Foundation

    E-Print Network [OSTI]

    Angenent, Lars T.

    will be placed in the basement. Carbon dioxide CO2 tank and monitors: A CO2 tank will be placed in a first floor closet, and programmed to release CO2 gas four times a day for 15 minutes each time. Two CO2 monitorsIndoor Air Quality of Weatherized Homes in the Northeast A Cornell University study, funded

  14. AN AUTOMATED CONTROLLED-FLOW AIR INFILTRATION MEASUREMENT SYSTEM

    E-Print Network [OSTI]

    Condon, P.E.

    2010-01-01

    Infiltration," Princeton University, Center for Environmental Studies,infiltration controlled flow technique has been used by Honma in his studies

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

    SciTech Connect (OSTI)

    NONE

    1997-12-01

    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.

  16. Guidelines for Selecting a Compressed Air System Service Provider

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    facilities in achieving greater reliability, improved quality control, and lower operating costs for their compressed air systems. The CAC encourages facilities to take a...

  17. Optimization of Ventilation Energy Demands and Indoor Air Quality in High-Performance Homes

    SciTech Connect (OSTI)

    Hun, Diana E; Jackson, Mark C; Shrestha, Som S

    2014-01-01

    High-performance homes require that ventilation energy demands and indoor air quality (IAQ) be simultaneously optimized. We attempted to bridge these two areas by conducting tests in a research house located in Oak Ridge, TN, that was 20 months old, energy-efficient (i.e., expected to consume 50% less energy than a house built per the 2006 IRC), tightly-built (i.e., natural ventilation rate ~0.02 h-1), unoccupied, and unfurnished. We identified air pollutants of concern in the test home that could generally serve as indicators of IAQ, and conduced field experiments and computer simulations to determine the effectiveness and energy required by various techniques that lessened the concentration of these contaminants. Formaldehyde was selected as the main pollutant of concern among the contaminants that were sampled in the initial survey because it was the only compound that showed concentrations that were greater than the recommended exposure levels. Field data indicate that concentrations were higher during the summer primarily because emissions from sources rise with increases in temperature. Furthermore, supply ventilation and gas-phase filtration were effective means to reduce formaldehyde concentrations; however, exhaust ventilation had minimal influence on this pollutant. Results from simulations suggest that formaldehyde concentrations obtained while ventilating per ASHRAE 62.2-2010 could be decreased by about 20% from May through September through three strategies: 1) increasing ASHRAE supply ventilation by a factor of two, 2) reducing the thermostat setpoint from 76 to 74 F, or 3) running a gas-phase filtration system while decreasing supply ventilation per ASHRAE by half. In the mixed-humid climate of Oak Ridge, these strategies caused increases in electricity cost of ~$5 to ~$15/month depending on outdoor conditions.

  18. Air/water subchannel measurements of the equilibrium quality and mass-flux distribution in a rod bundle. [BWR

    SciTech Connect (OSTI)

    Sterner, R.W.; Lahey, R.T. Jr.

    1983-07-01

    Subchannel measurements were performed in order to determine the equilibrium quality and mass flux distribution in a four rod bundle, using air/water flow. An isokinetic technique was used to sample the flow in the center, side and corner subchannels of this test section. Flow rates of the air and water in each sampled subchannel were measured. Experiments were performed for two test-section-average mass fluxes (0.333x10/sup 6/ and 0.666x10/sup 6/ lb/sub m//h-ft/sup 2/), and the test-section-average quality was varied from 0% to 0.54% for each mass flux. Single-phase liquid, bubbly, slug and churn-turbulent two-phase flow regimes were achieved. The observed data trends agreed with previous diabatic measurements in which the center subchannel had the highest quality and mass flux, while the corner subchannel had the lowest.

  19. A Seasonal Perspective on Regional Air Quality in CentralCalifornia - Phase 1

    SciTech Connect (OSTI)

    Harley, Robert A.; Brown, Nancy J.; Tonse, Shaheen R.; Jin, Ling

    2006-12-01

    Central California spans a wide variety of urban, agricultural, and natural terrain, including the San Francisco Bay area, the Central Valley, and the Sierra Nevada Mountains. Population within this region is growing rapidly, and there are persistent, serious air pollution problems including fine particulate matter (PM{sub 2.5}) and ozone. Summertime photochemical air pollution is the focus of the present study, which represents a first phase in the development and application of a modeling capability to assess formation and transport of ozone and its precursors within Central California over an entire summer season. This contrasts with past studies that have examined pollutant dynamics for a few selected high-ozone episodes each lasting 3-5 days. The Community Multiscale Air Quality model (CMAQ) has been applied to predict air pollutant formation and transport in Central California for a 15-day period beginning on July 24, 2000. This period includes a 5-day intensive operating period (July 29 to August 2) from the Central California Ozone Study (CCOS). Day-specific meteorological conditions were modeled by research collaborators at NOAA using a mesoscale meteorological model (MM5). Pollutant emissions within the study domain were based on CARB emission inventory estimates, with additional efforts conducted as part of this research to capture relevant emissions variability including (1) temperature and sunlight-driven changes in biogenic VOC, (2) weekday/weekend and diurnal differences in light-duty (LD) and heavy-duty (HD) motor vehicle emissions, (3) effects of day-specific meteorological conditions on plume rise from point sources such as power plants. We also studied the effects of using cleaner pollutant inflow boundary conditions, lower than indicated during CCOS aircraft flights over the Pacific Ocean, but supported by other surface, ship-based, balloon and aircraft sampling studies along the west coast. Model predictions were compared with measured concentrations for O{sub 3}, NO{sub x}, NO{sub y}, and CO at about 100 ground observation stations within the CCOS domain. Comparisons were made both for time series and for statistically aggregated metrics, to assess model performance over the whole modeling domain and for the individual air basins within the domain. The model tends to over-predict ozone levels along the coast where observed levels are generally low. Inland performance in the San Joaquin Valley is generally better. Model-measurement agreement for night-time ozone is improved by evaluating the sum of predicted O{sub 3} + NO{sub 2} against observations; this removes from the comparison the effect of any ozone titration that may occur. A variety of diagnostic simulations were conducted to investigate the causes for differences between predictions and observations. These included (1) enhanced deposition of O{sub 3} to the ocean, (2) reduced vertical mixing over the ocean, (3) attenuation of sunlight by coastal stratus, (4) the influence of surface albedo on photochemistry, and (5) the effects of observation nudging on wind fields. Use of advanced model probing tools such as process analysis and sensitivity analysis is demonstrated by diagnosing model sensitivity to boundary conditions and to weekday-weekend emission changes.

  20. Optimal Control of Hybrid Systems in Air Traffic Applications

    E-Print Network [OSTI]

    Kamgarpour, Maryam

    2011-01-01

    optimal control of nonlinear dynamical systems [25, 26, 27].constrained nonlinear switched dynamical systems,” in Hybridwe focus on nonlinear switched dynamical systems. These

  1. Hybrid Wall Construction and Quality Control Issues in Wyandotte, Michigan

    SciTech Connect (OSTI)

    Lukachko, A.; Grin, A.; Bergey, D.

    2013-12-01

    This report is the second report on the Wyandotte Neighborhood Stabilization Program 2 project in Wyandotte, MI, and documents refinements to the design, construction, and quality control for the high R-value enclosure. The report will be of interest to designers and builders of production housing in Cold Climates. The focus of the second round of research was on using the hybrid insulation approach to develop a reliable method of achieving consistently low airtightness numbers. There are two primary outcomes from this research. First, the airtightness measurements demonstrate that with a shallow learning curve, even new builders entering the program having little experience with the technology package are able to achieve consistent results that are less than 1.5 ACH50. Second, the process changes implemented to help secure these results were straightforward and ended up encouraging better communication between designer, builder, and the city officials supervising the project.

  2. Crowdsourcing quality control for Dark Energy Survey images

    E-Print Network [OSTI]

    Melchior, P; Drlica-Wagner, A; Rykoff, E S; Abbott, T M C; Abdalla, F B; Allam, S; Benoit-Levy, A; Brooks, D; Buckley-Geer, E; Rosell, A Carnero; Kind, M Carrasco; Carretero, J; Crocce, M; D'Andrea, C B; da Costa, L N; Desai, S; Doel, P; Evrard, A E; Finley, D A; Flaugher, B; Frieman, J; Gaztanaga, E; Gerdes, D W; Gruen, D; Gruendl, R A; Honscheid, K; James, D J; Jarvis, M; Kuehn, K; Li, T S; Maia, M A G; March, M; Marshall, J L; Nord, B; Ogando, R; Plazas, A A; Romer, A K; Sanchez, E; Scarpine, V; Sevilla-Noarbe, I; Smith, R C; Soares-Santos, M; Suchyta, E; Swanson, M E C; Tarle, G; Vikram, V; Walker, A R; Wester, W; Zhang, Y

    2015-01-01

    We have developed a crowdsourcing web application for image quality control employed by the Dark Energy Survey. Dubbed the "DES exposure checker", it renders science-grade images directly to a web browser and allows users to mark problematic features from a set of predefined classes. Users can also generate custom labels and thus help identify previously unknown problem classes. User reports are fed back to hardware and software experts to help mitigate and eliminate recognized issues. We report on the implementation of the application and our experience with its over 100 users, the majority of which are professional or prospective astronomers but not data management experts. We discuss aspects of user training and engagement, and demonstrate how problem reports have been pivotal to rapidly correct artifacts which would likely have been too subtle or infrequent to be recognized otherwise. We conclude with a number of important lessons learned, suggest possible improvements, and recommend this collective explo...

  3. Analysis of a wet scrubber network in the air remediation of industrial workplaces: benefit for the city air quality

    E-Print Network [OSTI]

    Avveduto, Alessandro; Pace, Lorenzo; Curci, Gabriele; Monaco, Alessio; De Giovanni, Marina; Giammaria, Franco; Spanto, Giuseppe; Tripodi, Paolo

    2015-01-01

    Industrial activities carried out in confined spaces are characterized by a very specific type of air pollution. The extended exposure to this kind of pollution is often highly harmful, resulting in dramatic effects both on health and safety aspects. The indoor industrial abatement systems, adopted to purify the air, are typically applied to the emission points. The processed air is subsequently emitted outside. In this study we present the experimental results of three-stage wet scrubber systems installed in the industrial workplace of a (i) fiberglass processing plant, where the highest exposure levels to volatile compounds are nowadays today monitored,and of a (ii) waste-to-energy plant, characterized by a very high particulate matter level. The adopted technology, to be used as complementing strategy,does not require special disposal procedures and the processed air is re-emitted in the same work environment for the benefit of the work operators. The operation of the scrubbers network during the working a...

  4. Central power generation versus distributed generation e An air quality assessment in the South Coast Air Basin of California

    E-Print Network [OSTI]

    Dabdub, Donald

    , central generation concentrates emissions in a small area, whereas DG spreads emissions throughout an urban air basin. In contrast, conventional, centralized power plants tend to be located in remote areas by the year 2020. The intermittent nature of renewable sources like wind and solar power may require

  5. Direct control of air gap flux in permanent magnet machines

    DOE Patents [OSTI]

    Hsu, John S. (Oak Ridge, TN)

    2000-01-01

    A method and apparatus for field weakening in PM machines uses field weakening coils (35, 44, 45, 71, 72) to produce flux in one or more stators (34, 49, 63, 64), including a flux which counters flux normally produced in air gaps between the stator(s) (34, 49, 63, 64) and the rotor (20, 21, 41, 61) which carries the PM poles. Several modes of operation are introduced depending on the magnitude and polarity of current in the field weakening coils (35, 44, 45, 71, 72). The invention is particularly useful for, but not limited to, the electric vehicle drives and PM generators.

  6. Hawaii Air Pollution Control Permits Webpage | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History View New PagesSustainableGlynnMassachusetts:Ohio: EnergyMinnesota:Havre de Grace,Air Pollution

  7. Colorado Air Pollution Control Division - Construction Permits Forms and

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX ECoopButtePower Ventures Jump to: navigation,Energy InformationAir Pollutant

  8. The Micro Craft iSTAR Micro Air Vehicle: Control System Design and Testing

    E-Print Network [OSTI]

    Rotkowitz, Michael C.

    The Micro Craft iSTAR Micro Air Vehicle: Control System Design and Testing Larry Lipera i 2000. This paper describes the vehicle, control system, and ground and flight-test results. Presented at the American Helicopter Society 57th Annual forum, Washington, DC, May 9-11, 2001. Copyright 2001

  9. Modeling and Control of Aggregated Air Conditioning Loads Under Realistic Conditions

    E-Print Network [OSTI]

    Zhang, Wei

    strategy is designed to track a desired demand curve and to ensure a stable and smooth response. IModeling and Control of Aggregated Air Conditioning Loads Under Realistic Conditions Chin-Yao Chang, Wei Zhang, Jianming Lian, and Karanjit Kalsi Abstract-- Demand-side control is playing an increasingly

  10. Dioxin/furans and Air Pollution Control Dioxins and furans are chlorinated compounds produced during all

    E-Print Network [OSTI]

    Columbia University

    Dioxin/furans and Air Pollution Control Dioxins and furans are chlorinated compounds produced baghouse. As a result of the new controls, the dioxin/furan emissions of WTE plants in the U (28 million tons of MSW combusted) emit less than six grams TEQ dioxins per year. In comparison

  11. Lifecycle Analysis of Air Quality Impacts of Hydrogen and Gasoline Transportation Fuel Pathways

    E-Print Network [OSTI]

    Wang, Guihua

    2008-01-01

    of hydrogen, methanol and gasoline as fuels for fuel cellon Environmental Quality (TCEQ). Gasoline Vapor Recovery (Quality Impacts of Hydrogen and Gasoline Transportation Fuel

  12. Lifecycle impacts of natural gas to hydrogen pathways on urban air quality

    E-Print Network [OSTI]

    Wang, Guihua; Ogden, Joan M; Nicholas, Michael A

    2007-01-01

    health effects of motor-vehicle air pollution. University ofof motor vehicle and other sources to ambient air pollution.pollution from adding large numbers of hydrogen vehicles to

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

    E-Print Network [OSTI]

    Brunelle-Yeung, Elza

    2009-01-01

    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 ...

  14. Method and apparatus for controlling fuel/air mixture in a lean burn engine

    DOE Patents [OSTI]

    Kubesh, John Thomas (San Antonio, TX); Dodge, Lee Gene (San Antonio, TX); Podnar, Daniel James (San Antonio, TX)

    1998-04-07

    The system for controlling the fuel/air mixture supplied to a lean burn engine when operating on natural gas, gasoline, hydrogen, alcohol, propane, butane, diesel or any other fuel as desired. As specific humidity of air supplied to the lean burn engine increases, the oxygen concentration of exhaust gas discharged by the engine for a given equivalence ratio will decrease. Closed loop fuel control systems typically attempt to maintain a constant exhaust gas oxygen concentration. Therefore, the decrease in the exhaust gas oxygen concentration resulting from increased specific humidity will often be improperly attributed to an excessive supply of fuel and the control system will incorrectly reduce the amount of fuel supplied to the engine. Also, the minimum fuel/air equivalence ratio for a lean burn engine to avoid misfiring will increase as specific humidity increases. A relative humidity sensor to allow the control system to provide a more enriched fuel/air mixture at high specific humidity levels. The level of specific humidity may be used to compensate an output signal from a universal exhaust gas oxygen sensor for changing oxygen concentrations at a desired equivalence ratio due to variation in specific humidity specific humidity. As a result, the control system will maintain the desired efficiency, low exhaust emissions and power level for the associated lean burn engine regardless of the specific humidity level of intake air supplied to the lean burn engine.

  15. AIR QUALITY ENSEMBLE FORECAST COUPLING ARPEGE AND CHIMERE OVER WESTERN EUROPE

    E-Print Network [OSTI]

    Menut, Laurent

    modellers' community to test the same methodology to foresee air pollutants concentrations threshold value will happen in order to implement mitigation measures concerning air pollutant emission the concept of air pollution ensemble forecast is not the same than the one for meteorology, we propose here

  16. Proposal for a consulting commission Climate and Air Quality of the Austrian Academy of Sciences

    E-Print Network [OSTI]

    Drmota, Michael

    and climate strategies and their relation to air pollution issues · Co-benefit consideration of different issues relating to the atmosphere (air pollution, climate change) and aerosol ­ climate interaction · Exposures to ambient and indoor air pollutants (fine and ultrafine particles) · Epidemiology of disease

  17. CHAPTER 5: AIR QUALITY 1998 SITE ENVIRONMENTAL REPORT5-1

    E-Print Network [OSTI]

    facility operations and ensure compliance with the federal Clean Air Act, Brookhaven National Laboratory (BNL) performs continu- ous air emission sampling at several facilities. In addition to facility emis radiological and regulated, nonradiological air releases for 1998 are tabulated in this chapter. Ambient

  18. Air Quality Monitoring with SensorMap Pter Vlgyesi, Andrs Ndas, Xenofon Koutsoukos, kos Ldeczi

    E-Print Network [OSTI]

    Koutsoukos, Xenofon D.

    of Davidson county [1]. The situation is not much different in others cities. Air pollution is highly location different pollutants in the air. The data points are tagged with location and time utilizing an on-board GPS in a large area will be obtained at a low cost. 1. Introduction Air pollution is one of the most important

  19. Energy savings and economics of advanced control strategies for packaged air conditioners with gas heat

    SciTech Connect (OSTI)

    Wang, Weimin; Katipamula, Srinivas; Huang, Yunzhi; Brambley, Michael R.

    2013-10-01

    This paper presents an evaluation of the potential energy savings from adding advanced control to existing packaged air conditioners. Advanced control options include air-side economizer, multi-speed fan control, demand control ventilation and staged cooling. The energy and cost savings from the different control strategies individually and in combination are estimated using the EnergyPlus detailed energy simulation program for four building types, namely, a small office building, a stand-alone retail building, a strip mall building and a supermarket building. For each of the four building types, the simulation was run for 16 locations covering all 15 climate zones in the U.S. The maximum installed cost of a replacement controller that provides acceptable payback periods to owners is estimated.

  20. Seasonal versus Episodic Performance Evaluation for an Eulerian Photochemical Air Quality Model

    E-Print Network [OSTI]

    Jin, Ling

    2010-01-01

    Quality Study Agency, California Energy Commission, the Assistant Secretary of Fossil Energy, Office of Natural Gas

  1. Maintaining low exhaust emissions with turbocharged gas engines using a feedback air-fuel ratio control system

    SciTech Connect (OSTI)

    Eckard, D.W.; Serve, J.V.

    1987-10-01

    Maintaining low exhaust emissions on a turbocharged, natural gas engine through the speed and load range requires precise control of the air-fuel ratio. Changes in ambient conditions or fuel heating value will cause the air-fuel ratio to change substantially. By combining air-gas pressure with preturbine temperature control, the air-fuel ratio can be maintained regardless of changes in the ambient conditions or the fuel's heating value. Design conditions and operating results are presented for an air-fuel controller for a turbocharged engine.

  2. Overview of ozone human exposure and health risk analyses used in the U.S. EPA's review of the ozone air quality standard.

    SciTech Connect (OSTI)

    Whitfield, R. G.

    1999-03-04

    This paper presents an overview of the ozone human exposure and health risk analyses developed under sponsorship of the U.S. Environmental Protection Agency (EPA). These analyses are being used in the current review of the national ambient air quality standards (NAAQS) for ozone. The analyses consist of three principal steps: (1) estimating short-term ozone exposure for particular populations (exposure model); (2) estimating population response to exposures or concentrations (exposure-response or concentration-response models); and (3) integrating concentrations or exposure with concentration-response or exposure-response models to produce overall risk estimates (risk model). The exposure model, called the probabilistic NAAQS exposure model for ozone (pNEM/03), incorporates the following factors: hourly ambient ozone concentrations; spatial distribution of concentrations; ventilation state of individuals at time of exposure; and movement of people through various microenvironments (e.g., outdoors, indoors, inside a vehicle) of varying air quality. Exposure estimates are represented by probability distributions. Exposure-response relationships have been developed for several respiratory symptom and lung function health effects, based on the results of controlled human exposure studies. These relationships also are probabilistic and reflect uncertainties associated with sample size and variability of response among subjects. The analyses also provide estimates of excess hospital admissions in the New York City area based on results from an epidemiology study. Overall risk results for selected health endpoints and recently analyzed air quality scenarios associated with alternative 8-hour NAAQS and the current 1-hour standard for outdoor children are used to illustrate application of the methodology.

  3. An Intelligent Controller for Collaborative Unmanned Air Vehicles

    E-Print Network [OSTI]

    for collab- orative control of multiple unmanned aerial vehicles (UAVs). Collaborative capabilities include vehicles, is discussed. I. INTRODUCTION Military Unmanned Aerial Vehicles (UAVs) have proved to be quite. In the Department of Defense roadmap for Unmanned Aerial Vehicles [1], lower downside risk and higher confidence

  4. Rotating stall control of an axial flow compressor using pulsed air injection

    SciTech Connect (OSTI)

    D`Andrea, R.; Behnken, R.L.

    1997-10-01

    This paper presents the use of pulsed air injection to control rotating stall in a low-speed, axial flow compressor. In the first part of the paper, the injection of air is modeled as an unsteady shift of the compressor characteristic, and incorporated into a low dimensional model of the compressor. By observing the change in the bifurcation behavior of this model subject to nonlinear feedback, the viability of various air injection orientations is established. An orientation consistent with this analysis is then used for feedback control. By measuring the unsteady pressures near the rotor face, a control algorithm determines the magnitude and phase of the first mode of rotating stall and controls the injection of air in the front of the rotor face. Experimental results show that this technique eliminates the hysteresis loop normally associated with rotating stall. A parametric study is used to determine the optimal control parameters for suppression of stall. The resulting control strategy is also shown to suppress surge when a plenum is present. Using a high-fidelity model, the main features of the experimental results are duplicated via simulations.

  5. Residential Air Conditioner Direct Load Control "Energy Partners Program" 

    E-Print Network [OSTI]

    Cook, J. D.

    1994-01-01

    ) approach in which both demand- side and supply side resources are evaluated. HL&P also recognizes the contribution demand-side programs make to the company's long-term ability to provide reliable and reasonably priced electric service for its... effected, according to EPRI. Numerous large investor-owned electric utilities are presently offering residential load control programs with great success. Arkansas Power & Light, Duke Power Company, Florida Power Corporation, Florida Power t Light...

  6. Mechanistic modeling of the interrelationships between indoor/outdoor air quality and human exposure in a GIS framework

    SciTech Connect (OSTI)

    Isukapalli, S.S.; Purushothaman, V.; Georgopoulos, P.G.

    1999-07-01

    Evaluation of human exposure to atmospheric contaminants such as ozone and particulate matter (PM) is often based on measured data from fixed ambient (outdoors) Air Monitoring Stations. This results in an artificial characterization of indoor exposures, as concentrations and physicochemical attributes of indoor pollutants vary significantly and are different from corresponding outdoor values. A mechanistically-based modeling approach is presented here that aims to improve estimates for the outdoor/indoor relationships of photochemical pollutants and of associated fine particles and, subsequently, of human exposure assessments. New approaches for refining the spatial, temporal, and indoor/outdoor patterns of gas phase photochemical contaminants and PM are currently being developed and tested. These approaches are combined with information from either ambient monitoring networks or from ambient air quality models that consider aerosol physics and chemistry coupled with gas phase photochemistry (e.g. UAM-AERO). This process utilizes Geographic Information Systems (GIS) and Relational Database (RD) methods, to facilitate detailed exposure scenario construction (involving e.g. the geographic location of an individual considered in time) and to aid in the estimation of population exposure over selected geographic areas. The combination of monitor data or air quality modeling with microenvironmental modeling in a GIS framework can potentially provide a useful platform for more accurate assessments of human exposure to co-occurring gas and particulate phase air pollutants.

  7. When Spreadsheets Become Software - Quality Control Challenges and Approaches - 13360

    SciTech Connect (OSTI)

    Fountain, Stefanie A.; Chen, Emmie G.; Beech, John F.; Wyatt, Elizabeth E.; Quinn, Tanya B.; Seifert, Robert W.

    2013-07-01

    As part of a preliminary waste acceptance criteria (PWAC) development, several commercial models were employed, including the Hydrologic Evaluation of Landfill Performance model (HELP) [1], the Disposal Unit Source Term - Multiple Species model (DUSTMS) [2], and the Analytical Transient One, Two, and Three-Dimensional model (AT123D) [3]. The results of these models were post-processed in MS Excel spreadsheets to convert the model results to alternate units, compare the groundwater concentrations to the groundwater concentration thresholds, and then to adjust the waste contaminant masses (based on average concentration over the waste volume) as needed in an attempt to achieve groundwater concentrations at the limiting point of assessment that would meet the compliance concentrations while maximizing the potential use of the landfill (i.e., maximizing the volume of projected waste being generated that could be placed in the landfill). During the course of the PWAC calculation development, one of the Microsoft (MS) Excel spreadsheets used to post-process the results of the commercial model packages grew to include more than 575,000 formulas across 18 worksheets. This spreadsheet was used to assess six base scenarios as well as nine uncertainty/sensitivity scenarios. The complexity of the spreadsheet resulted in the need for a rigorous quality control (QC) procedure to verify data entry and confirm the accuracy of formulas. (authors)

  8. Closed loop engine control for regulating NOx emissions, using a two-dimensional fuel-air curve

    DOE Patents [OSTI]

    Bourn, Gary D.; Smith, Jack A.; Gingrich, Jess W.

    2007-01-30

    An engine control strategy that ensures that NOx emissions from the engine will be maintained at an acceptable level. The control strategy is based on a two-dimensional fuel-air curve, in which air manifold pressure (AMP) is a function of fuel header pressure and engine speed. The control strategy provides for closed loop NOx adjustment to a base AMP value derived from the fuel-air curve.

  9. Robustness analysis of an air heating plant and control law by using polynomial chaos

    SciTech Connect (OSTI)

    Colón, Diego; Ferreira, Murillo A. S.; Bueno, Átila M.; Balthazar, José M.; Rosa, Suélia S. R. F. de

    2014-12-10

    This paper presents a robustness analysis of an air heating plant with a multivariable closed-loop control law by using the polynomial chaos methodology (MPC). The plant consists of a PVC tube with a fan in the air input (that forces the air through the tube) and a mass flux sensor in the output. A heating resistance warms the air as it flows inside the tube, and a thermo-couple sensor measures the air temperature. The plant has thus two inputs (the fan's rotation intensity and heat generated by the resistance, both measured in percent of the maximum value) and two outputs (air temperature and air mass flux, also in percent of the maximal value). The mathematical model is obtained by System Identification techniques. The mass flux sensor, which is nonlinear, is linearized and the delays in the transfer functions are properly approximated by non-minimum phase transfer functions. The resulting model is transformed to a state-space model, which is used for control design purposes. The multivariable robust control design techniques used is the LQG/LTR, and the controllers are validated in simulation software and in the real plant. Finally, the MPC is applied by considering some of the system's parameters as random variables (one at a time, and the system's stochastic differential equations are solved by expanding the solution (a stochastic process) in an orthogonal basis of polynomial functions of the basic random variables. This method transforms the stochastic equations in a set of deterministic differential equations, which can be solved by traditional numerical methods (That is the MPC). Statistical data for the system (like expected values and variances) are then calculated. The effects of randomness in the parameters are evaluated in the open-loop and closed-loop pole's positions.

  10. The Use of Conditioned Air for Maintaining Quality of Stored Sorghum Grain. 

    E-Print Network [OSTI]

    Person, Nat K. Jr.; Sorenson, J. W. Jr.; McCune, W. E.; Hobgood, Price

    1967-01-01

    the grain mass. This air must be supplied with properties which will provide a potential driving force, such as enthalpy and vapor pressure, in order for heat and moisture to be transferred. In actual practice, grain temperature is of primary concern... of the entering air since there is only one specific humidity at which the mpor pressures are equal. To maintain moisture equilibrium, the specific humidity must be considered a( one property of the air condition which is required. The other property...

  11. Advanced control strategies for heating, ventilation, air-conditioning, and refrigeration systems—An overview: Part I: Hard control

    SciTech Connect (OSTI)

    D. Subbaram Naidu; Craig G. Rieger

    2011-02-01

    A chronological overview of the advanced control strategies for heating, ventilation, air-conditioning, and refrigeration (HVAC&R) is presented in this article. The overview focuses on hard-computing or control techniques, such as proportional-integral-derivative, optimal, nonlinear, adaptive, and robust; soft-computing or control techniques, such as neural networks, fuzzy logic, genetic algorithms; and on the fusion or hybrid of hard- and soft-control techniques. Thus, it is to be noted that the terminology “hard” and “soft” computing/control has nothing to do with the “hardware” and “software” that is being generally used. Part I of a two-part series focuses on hard-control strategies, and Part II focuses on softand fusion-control in addition to some future directions in HVAC&R research. This overview is not intended to be an exhaustive survey on this topic, and any omission of other works is purely unintentional.

  12. Impact of Mexico City emissions on regional air quality from MOZART-4 simulations

    E-Print Network [OSTI]

    2010-01-01

    the OH reactivity down- wind of Mexico City and therefore awinds from the west bring fairly clean air from the tropical Pacific over Mexico,

  13. Targeting Agriculture: Air Quality Policy in California’s San Joaquin Valley

    E-Print Network [OSTI]

    Cline, Kurt

    2015-01-01

    J. Bier. 2003. “Davis to Voice Air Bill Support: GovernorDavis, material from the governor’s chap- tered bill files (

  14. Indoor Air Quality in 24 California Residences Designed as High Performance Green Homes

    E-Print Network [OSTI]

    Less, Brennan

    2012-01-01

    Air Plus Living Building Challenge Passive House EarthCraftof a passive perfluorocarbon tracer system for buildingof a green building, Energy Star or Passive House program.

  15. Clean Cities ozone air quality attainment and maintenance strategies that employ alternative fuel vehicles, with special emphasis on natural gas and propane

    SciTech Connect (OSTI)

    Santini, D.J.; Saricks, C.L.

    1998-08-04

    Air quality administrators across the nation are coming under greater pressure to find new strategies for further reducing automotive generated non-methane hydrocarbon (NMHC) and nitrogen oxide (NOx) emissions. The US Environmental Protection Agency (EPA) has established stringent emission reduction requirements for ozone non-attainment areas that have driven the vehicle industry to engineer vehicles meeting dramatically tightened standards. This paper describes an interim method for including alternative-fueled vehicles (AFVs) in the mix of strategies to achieve local and regional improvements in ozone air quality. This method could be used until EPA can develop the Mobile series of emissions estimation models to include AFVs and until such time that detailed work on AFV emissions totals by air quality planners and emissions inventory builders is warranted. The paper first describes the challenges confronting almost every effort to include AFVs in targeted emissions reduction programs, but points out that within these challenges resides an opportunity. Next, it discusses some basic relationships in the formation of ambient ozone from precursor emissions. It then describes several of the salient provisions of EPA`s new voluntary emissions initiative, which is called the Voluntary Mobile Source Emissions Reduction Program (VMEP). Recent emissions test data comparing gaseous-fuel light-duty AFVs with their gasoline-fueled counterparts is examined to estimate percent emissions reductions achievable with CNG and LPG vehicles. Examples of calculated MOBILE5b emission rates that would be used for summer ozone season planning purposes by an individual Air Quality Control Region (AQCR) are provided. A method is suggested for employing these data to compute appropriate voluntary emission reduction credits where such (lighter) AFVs would be acquired. It also points out, but does not quantify, the substantial reduction credits potentially achievable by substituting gaseous-fueled for gasoline-fueled heavy-duty vehicles. Finally, it raises and expands on the relevance of AFVs and their deployment to some other provisions embedded in EPA`s current guidance for implementing 1-hour NAAQS--standards which currently remain in effect--as tools to provide immediate reductions in ozone, without waiting for promised future clean technologies.

  16. In and Out of the ER: Protein Folding, Quality Control, Degradation, and Related Human Diseases

    E-Print Network [OSTI]

    Hebert, Daniel N.

    In and Out of the ER: Protein Folding, Quality Control, Degradation, and Related Human Diseases 1377 C. Protein folding 1378 II. Protein Translocation, Folding, and Quality Control in the Endoplasmic Reticulum 1379 A. Protein targeting to the ER 1379 B. Chaperone-assisted protein folding in the ER 1379 C

  17. F-1 1999 SITE ENVIRONMENTAL REPORT APPENDIX F: QUALITY CONTROL TABLES

    E-Print Network [OSTI]

    F-1 1999 SITE ENVIRONMENTAL REPORT APPENDIX F: QUALITY CONTROL TABLES APPENDIX F: Quality Control summarize the results of daily QC checks performed by BNL's Analytical Services Labora- tory (ASL) in 1999 laboratories (H2M, GEL, and STL) that participated in national and/or state PE testing programs during 1999

  18. Indoor-air-quality research. Hearings before the Subcommittee on Energy Development and Applications and the Subcommittee on Natural Resources, Agriculture Research and Environment, US House of Representatives, Ninety-Eighth Congress, first session, August 2, 3, 1983

    SciTech Connect (OSTI)

    Not Available

    1984-01-01

    Spokesmen for the environmental health sciences, consumer product safety, medical profession, and conservation discussed current research on whether indoor air quality suffers as a result of weatherization to reduce air leakage at a two-day hearing. Critical areas for research were the identification, measurement, characterization, control and health effects of indoor pollutants. Of particular concern to the committee was the administration's phasing out of some research programs despite DOE authorization and Congressional appropriations to continue. The witnesses discussed contaminants from building materials, household products, and other sources as well as the effects of reduced ventilation. Additional material submitted for the record follows their testimony.

  19. Multifamily Quality Control Inspector Job/Task Analysis and Report: September 2013

    SciTech Connect (OSTI)

    Owens, C. M.

    2013-09-01

    The development of job/task analyses (JTAs) is one of three components of the Guidelines for Home Energy Professionals project and will allow industry to develop training resources, quality assurance protocols, accredited training programs, and professional certifications. The Multifamily Quality Control Inspector JTA identifies and catalogs all of the tasks performed by multifamily quality control inspectors, as well as the knowledge, skills, and abilities (KSAs) needed to perform the identified tasks.

  20. Frey, H.C., and B. Hubbell, "A Risk-based Assessment And Management Framework For Multipollutant Air Quality," Paper 2009-A-235-AWMA, Proceedings, 102nd Annual Conference and Exhibition, Air & Waste Management Association, Detroit,

    E-Print Network [OSTI]

    Frey, H. Christopher

    Frey, H.C., and B. Hubbell, "A Risk-based Assessment And Management Framework For Multipollutant Air Quality," Paper 2009-A-235-AWMA, Proceedings, 102nd Annual Conference and Exhibition, Air & Waste Management Association, Detroit, Michigan, June 16-19, 2009. A Risk-based Assessment And Management Framework

  1. QUANTIFYING THE POTENTIAL IMPACTS OF ATMS ON AIR QUALITY Bruce Hellinga

    E-Print Network [OSTI]

    Hellinga, Bruce

    pollution. Currently, in the United States, motor vehicles release up to 90% of the carbon monoxide (CO); and more than 50% of the hazardous air pollutants [1]. Many of the air pollutants emitted by motor vehicles spatially and temporally correlated pollutant emissions on the basis of a drive mode elemental emissions sub

  2. Method of Controlling Corona Effects and Breakdown Voltage of Small Air Gaps Stressed by Impulse Voltages

    E-Print Network [OSTI]

    Athanasios Maglaras; Trifon Kousiouris; Frangiskos Topalis; Dimitrios Katsaros; Leandros A. Maglaras; Konstantina Giannakopoulou

    2014-10-15

    This paper investigates the influence of a resistor on the dielectric behavior of an air gap. The resistor is connected in series with the air gap and the latter is stressed by impulse voltage. Air gap arrangements of different geometry with either the rod or the plate grounded are stressed with impulse voltages of both positive and negative polarity. The resistor is connected in series with the air gap in the return circuit connecting the gap with the impulse generator. The method followed involves the investigation of the graphs of the charging time concerning the air gaps capacitances, in connection to the value of the resistor, the geometry of the gap, the effect of grounding and the polarity effect. It is determined that the charging time of the air gap increases, as the value of the resistor increases. It is also determined that the peak voltage value of the fully charged air gap decreases as the value of the resistor increases. The results of the mathematical and simulation analysis are compared with the results of the oscillograms taken from experimental work. In addition and consequently to the above results it is concluded from the experimental work that the in series connection of the resistor in the circuit has significant influence on corona pulses (partial discharges) occurring in the gap and on the breakdown voltage of the gap. A new method of controlling the corona effects and consequently the breakdown voltage of small air gaps stressed by impulse voltage of short duration in connection to the ground effect and the polarity effect has arisen. Furthermore through mathematical analysis of the charging graphs obtained from simulation and experimental oscillograms there was a calculation of the values of the capacitance of the air gaps in relation to their geometry and the results were compared to the values calculated with mathematical analysis.

  3. Energy Savings Through Application of Model Predictive Control to an Air Separation Facility 

    E-Print Network [OSTI]

    Hanson, T. C.; Scharf, P. F.

    1996-01-01

    signs for cryogenic air separation plants. Equally important is the adherence of operating conditions to their optimal values, a task assigned to the plant's control system. This paper addresses the application of Model Predictive Control (MPC... maintain the plant at an optimal operating state. REFERENCE 1. Daryanian, B., Bohn, R.E., and Tabors, R.D., "Op timal Demand-Side Response to Electricity Spot Prices for Storage-Type Customers", IEEE Transac tions on Power Systems, 4(3), 897...

  4. Aerosol climate effects and air quality impacts from 1980 to 2030

    SciTech Connect (OSTI)

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

    2007-11-26

    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.

  5. NOISE CONTROL METHODS FOR A RECIPROCATING AIR COMPRESSOR USED IN FUEL CELL AUXILIARY POWER UNIT (APU)

    E-Print Network [OSTI]

    Carver, Jeffrey C.

    NOISE CONTROL METHODS FOR A RECIPROCATING AIR COMPRESSOR USED IN FUEL CELL AUXILIARY POWER UNIT What is Fuel Cell APU? Why use APU? To reduce overall noise levels in a fuel cell auxiliary power unit (APU) Main Components Foundation Power source Microphones Spectrum analyzer Stack of fuel cells

  6. Aggregated Modeling and Control of Air Conditioning Loads for Demand Response

    E-Print Network [OSTI]

    Zhang, Wei

    1 Aggregated Modeling and Control of Air Conditioning Loads for Demand Response Wei Zhang, Member, IEEE Abstract--Demand response is playing an increasingly impor- tant role in the efficient loads is especially important to evaluate the effec- tiveness of various demand response strategies

  7. Using System Pressure Control to Improve the Compressed Air System at Goulds Pumps 

    E-Print Network [OSTI]

    Caropolo, B.; Sember, P.; Glace, P.

    1998-01-01

    controller that will optimally schedule the set points of multiple compressor systems in response to demand for air in the plant has been undertaken at Goulds Pumps in Seneca Falls, New York. The project is cosponsored by the New York State Energy Research...

  8. MECHANISMS CONTROLLING THE AIR-SEA FLUX IN THE NORTH ATLANTIC

    E-Print Network [OSTI]

    Follows, Mick

    -sea flux of carbon is controlled by the disequilibrium in partial pres- sure of carbon dioxide between describe the distribution of carbon in the Atlantic basin and its relation to other water-mass properties increase of atmospheric ¥§¦©¨ . Fig. 1 illustrates the annual mean air- sea flux of carbon, , estimated

  9. Changing the spatial location of electricity generation to increase water availability in areas with drought: a feasibility study and quantification of air quality impacts in Texas

    E-Print Network [OSTI]

    Pacsi, Adam P

    The feasibility, cost, and air quality impacts of using electrical grids to shift water use from drought-stricken regions to areas with more water availability were examined. Power plant cooling represents a large portion ...

  10. Best Practices in Determining the Impacts of Municipal Programs on Energy Use, Air Quality, and Other Ancillary Costs and Benefits (Poster)

    SciTech Connect (OSTI)

    Brown, E.; Mosey, G.

    2006-10-03

    This poster, submitted for the CU Energy Initiative/NREL Symposium on October 3, 2006 held in Boulder, Colorado, discusses best practices for determining the impacts of municipal programs on energy use, air quality, and other costs and benefits.

  11. Multileaf collimator performance monitoring and improvement using semiautomated quality control testing and statistical process control

    SciTech Connect (OSTI)

    Létourneau, Daniel McNiven, Andrea; Keller, Harald; Wang, An; Amin, Md Nurul; Pearce, Jim; Norrlinger, Bernhard; Jaffray, David A.

    2014-12-15

    Purpose: High-quality radiation therapy using highly conformal dose distributions and image-guided techniques requires optimum machine delivery performance. In this work, a monitoring system for multileaf collimator (MLC) performance, integrating semiautomated MLC quality control (QC) tests and statistical process control tools, was developed. The MLC performance monitoring system was used for almost a year on two commercially available MLC models. Control charts were used to establish MLC performance and assess test frequency required to achieve a given level of performance. MLC-related interlocks and servicing events were recorded during the monitoring period and were investigated as indicators of MLC performance variations. Methods: The QC test developed as part of the MLC performance monitoring system uses 2D megavoltage images (acquired using an electronic portal imaging device) of 23 fields to determine the location of the leaves with respect to the radiation isocenter. The precision of the MLC performance monitoring QC test and the MLC itself was assessed by detecting the MLC leaf positions on 127 megavoltage images of a static field. After initial calibration, the MLC performance monitoring QC test was performed 3–4 times/week over a period of 10–11 months to monitor positional accuracy of individual leaves for two different MLC models. Analysis of test results was performed using individuals control charts per leaf with control limits computed based on the measurements as well as two sets of specifications of ±0.5 and ±1 mm. Out-of-specification and out-of-control leaves were automatically flagged by the monitoring system and reviewed monthly by physicists. MLC-related interlocks reported by the linear accelerator and servicing events were recorded to help identify potential causes of nonrandom MLC leaf positioning variations. Results: The precision of the MLC performance monitoring QC test and the MLC itself was within ±0.22 mm for most MLC leaves and the majority of the apparent leaf motion was attributed to beam spot displacements between irradiations. The MLC QC test was performed 193 and 162 times over the monitoring period for the studied units and recalibration had to be repeated up to three times on one of these units. For both units, rate of MLC interlocks was moderately associated with MLC servicing events. The strongest association with the MLC performance was observed between the MLC servicing events and the total number of out-of-control leaves. The average elapsed time for which the number of out-of-specification or out-of-control leaves was within a given performance threshold was computed and used to assess adequacy of MLC test frequency. Conclusions: A MLC performance monitoring system has been developed and implemented to acquire high-quality QC data at high frequency. This is enabled by the relatively short acquisition time for the images and automatic image analysis. The monitoring system was also used to record and track the rate of MLC-related interlocks and servicing events. MLC performances for two commercially available MLC models have been assessed and the results support monthly test frequency for widely accepted ±1 mm specifications. Higher QC test frequency is however required to maintain tighter specification and in-control behavior.

  12. Investigating the observed sensitivities of air-quality extremes to meteorological drivers via quantile regression

    E-Print Network [OSTI]

    Cooley, D.

    Air pollution variability is strongly dependent on meteorology. However, quantifying the impacts of changes in regional climatology on pollution extremes can be difficult due to the many non-linear and competing meteorological ...

  13. Carbon Monoxide, Ozone, Hydrocarbon Air Quality Standards, and Related Emission Requirements (Ohio)

    Broader source: Energy.gov [DOE]

    This chapter defining the roles of the Ohio Environmental Protection Agency gives specific detail on the regulation point-source air pollution for a variety of industries and pollutants.

  14. Lifecycle impacts of natural gas to hydrogen pathways on urban air quality

    E-Print Network [OSTI]

    Wang, Guihua; Ogden, Joan M; Nicholas, Michael A

    2007-01-01

    California, which resulted in more air pollution than central power plants [Power-plant type Oil Biomass NG Coal Nuclear Solar Wind Hydro Total Generation mix (%) Central Plant Demand Centers California

  15. Indoor Air Quality in 24 California Residences Designed as High Performance Green Homes

    E-Print Network [OSTI]

    Less, Brennan

    2012-01-01

    Another three homes used point-source heating, relyingsource Heating Fuel Type Electric Location Natural Gas Homehomes in CA are moving away from forced air heating and cooling systems, towards hydronic and point-source

  16. Lawrence Livermore National Laboratory Quality Assurance Project Plan for National Emission Standards for Hazardous Air Pollutants (NESHAPs), Subpart H

    SciTech Connect (OSTI)

    Hall, L.; Biermann, A

    2000-06-27

    As a Department of Energy (DOE) Facility whose operations involve the use of radionuclides, Lawrence Livermore National Laboratory (LLNL) is subject to the requirements of 40 CFR 61, the National Emission Standards for Hazardous Air Pollutants (NESHAPs). Subpart H of this Regulation establishes standards for exposure of the public to radionuclides (other than radon) released from DOE Facilities (Federal Register, 1989). These regulations limit the emission of radionuclides to ambient air from DOE facilities (see Section 2.0). Under the NESHAPs Subpart H Regulation (hereafter referred to as NESHAPs), DOE facilities are also required to establish a quality assurance program for radionuclide emission measurements; specific requirements for preparation of a Quality Assurance Program Plan (QAPP) are given in Appendix B, Method 114 of 40 CFR 61. Throughout this QAPP, the specific Quality Assurance Method elements of 40 CFR 61 Subpart H addressed by a given section are identified. In addition, the US Environmental Protection Agency (US EPA) (US EPA, 1994a) published draft requirements for QAPP's prepared in support of programs that develop environmental data. We have incorporated many of the technical elements specified in that document into this QAPP, specifically those identified as relating to measurement and data acquisition; assessment and oversight; and data validation and usability. This QAPP will be evaluated on an annual basis, and updated as appropriate.

  17. Civil aviation and technogeopolitics: the struggle for control of world air routes, 1910-1939 

    E-Print Network [OSTI]

    Butler, David Lawrence

    1996-01-01

    -Than-Air Vehicles, 1900-1937 Lighter-than-air vehicles are known synonymously as Zeppelins, dirigibles, and/or airships'. The man credited most for inventing these giant aircraft, Count von Zeppelin, began experimenting in the late 1890s, building his first... Zeppelin in 1900. In 1907 Zeppelin solidified his airship technology in LZ-3: a duralumin frame, a tightly stretched outer layer for smooth aerodynamic flow, internal gas bladders filled with hydrogen, external engines on pods, and a gondola to control...

  18. Opportunities for Saving Energy and Improving Air Quality in Urban Heat Islands

    SciTech Connect (OSTI)

    Akbari, Hashem

    2007-07-01

    World energy use is the main contributor to atmospheric CO2. In 2002, about 7.0 giga metric tons of carbon (GtC) were emitted internationally by combustion of gas, liquid, and solid fuels (CDIAC, 2006), 2 to 5 times the amount contributed by deforestation (Brown et al., 1988). The share of atmospheric carbon emissions for the United States from fossil fuel combustion was 1.6 GtC. Increasing use of fossil fuel and deforestation together have raised atmospheric CO{sub 2} concentration some 25% over the last 150 years. According to global climate models and preliminary measurements, these changes in the composition of the atmosphere have already begun raising the Earth's average temperature. If current energy trends continue, these changes could drastically alter the Earth's temperature, with unknown but potentially catastrophic physical and political consequences. During the last three decades, increased energy awareness has led to conservation efforts and leveling of energy consumption in the industrialized countries. An important byproduct of this reduced energy use is the lowering of CO{sub 2} emissions. Of all electricity generated in the United States, about one-sixth is used to air-condition buildings. The air-conditioning use is about 400 tera-watt-hours (TWh), equivalent to about 80 million metric tons of carbon (MtC) emissions, and translating to about $40 billion (B) per year. Of this $40 B/year, about half is used in cities that have pronounced 'heat islands'. The contribution of the urban heat island to the air-conditioning demand has increased over the last 40 years and it is currently at about 10%. Metropolitan areas in the United States (e.g., Los Angeles, Phoenix, Houston, Atlanta, and New York City) have typically pronounced heat islands that warrant special attention by anyone concerned with broad-scale energy efficiency (HIG, 2006). The ambient air is primarily heated through three processes: direct absorption of solar radiation, convection of heat from hot surfaces, and man-made heat (exhaust from cars, buildings, etc.). Air is fairly transparent to light--the direct absorption of solar radiation in atmospheric air only raises the air temperature by a small amount. Typically about 90% of solar radiation reaches the Earth's surface and then is either absorbed or reflected. The absorbed radiation on the surface increases the surface temperature. And in turn the hot surfaces heat the air. This convective heating is responsible for the majority of the diurnal temperature range. The contribution of man-made heat (e.g., air conditioning, cars) is very small, compared to the heating of air by hot surfaces, except for the downtown high-rise areas.

  19. Mitigating the Impacts of Uncontrolled Air Flow on Indoor Environmental Quality and Energy Demand in Non-Residential Buildings

    SciTech Connect (OSTI)

    Hugh I. Henderson; Jensen Zhang; James B. Cummings; Terry Brennan

    2006-07-31

    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.

  20. Field evaluation of advanced controls for the retrofit of packaged air conditioners and heat pumps

    SciTech Connect (OSTI)

    Wang, Weimin; Katipamula, Srinivas; Ngo, Hung; Underhill, Ronald M.; Taasevigen, Danny J.; Lutes, Robert G.

    2015-09-01

    This paper documents the magnitude of energy savings achievable in the field by retrofitting existing packaged rooftop units (RTUs) with advanced control strategies not ordinarily used for RTUs. A total of 66 RTUs on 8 different buildings were retrofitted with a commercially available advanced controller for improving RTU operational efficiency. The controller features enhanced air-side economizer control, multi-speed fan control, and demand controlled ventilation. Of the 66 RTUs, 18 are packaged heat pumps and the rest are packaged air conditioners with gas heat. The eight buildings cover four building types and four climate conditions. Based on the data collected for about a whole year, the advanced controller reduced the normalized annual RTU energy consumption between 22% and 90%, with an average of 57% for all RTUs. The average fractional savings uncertainty was 12% at 95% confidence level. Normalized annual electricity savings were in the range between 0.47 kWh/h (kWh per hour of RTU operation) and 7.21 kWh/h, with an average of 2.39 kWh/h. RTUs greater than 53 kW and runtime greater than 14 hours per day had payback periods less than 3 years even at $0.05/kWh.

  1. Determining the quality and quantity of heat produced by proton exchange membrane fuel cells with application to air-cooled stacks for combined heat and power

    E-Print Network [OSTI]

    Victoria, University of

    Determining the quality and quantity of heat produced by proton exchange membrane fuel cells Determining the quality and quantity of heat produced by proton exchange membrane fuel cells with application). The experiments and simulations focused on the air-cooled Ballard Nexa fuel cell. The experimental

  2. Exploring former interaction qualities for tomorrow's control room design

    E-Print Network [OSTI]

    Reiterer, Harald

    .g. in power plants or industrial production plants. One essential task in operating control rooms consists by virtual control elements that are operated through desktop computers. However this kind of interaction between power and reality as stated by Jacob et al. (2008): While digitization gave control rooms more

  3. Iterative Optimal and Adaptive Control of a Near Isothermal Liquid Piston Air Compressor in a Compressed Air Energy Storage System

    E-Print Network [OSTI]

    Li, Perry Y.

    /expanders are crucial for the economical viability of a Compressed Air Energy Storage (CAES) system such as the one in the Com- pressed Air Energy Storage (CAES) system for offshore wind turbine that has recently been proposed in [2], [5]. In the proposed CAES system, high pressure (20-30MPa) compressed air is stored

  4. Control of membrane permeability in air-stable droplet interface bilayers

    SciTech Connect (OSTI)

    Mruetusatorn, Prachya [ORNL; Polizos, Georgios [Oak Ridge National Laboratory (ORNL); Datskos, Panos G [ORNL; Taylor, Graham [University of Tennessee (UT); Sarles, Stephen A [ORNL; Boreyko, Jonathan [Virginia Polytechnic Institute and State University; Hayes, Douglas G [ORNL; Collier, Pat [ORNL

    2015-01-01

    Air-stable droplet interface bilayers (airDIBs) on oil-infused surfaces are versatile model membranes for synthetic biology applications, including biosensing of airborne species. However, air-DIBs are subject to evaporation, which can, over time, destabilize them and reduce their useful lifetime compared to traditional DIBs that are fully submerged in oil. Here, we show that lifetimes of air-DIBs can be extended by as much as an order of magnitude by maintaining them at a temperature just above the dew point. We find that raising the temperature from near the dew point (7 C at 38.5 % relative humidity) to room temperature results in loss of water molecules of hydration from the polar head groups of the lipid bilayer membrane due to evaporation in an irreversible process that increases the overall entropy of the system. This dehydration transition affects primarily the bilayer resistance, by increasing ion permeability through the increasingly disordered polar head group region of the bilayer. Temperature and/or relative humidity are conveniently tunable parameters for controlling the stability and composition of air-DIBs membranes, while still allowing for operation in ambient environments.

  5. Design and development of the Waukesha Custom Engine Control Air/Fuel Module

    SciTech Connect (OSTI)

    Moss, D.W.

    1996-12-31

    The Waukesha Custom Engine Control Air/Fuel Module (AFM) is designed to control the air-fuel ratio for all Waukesha carbureted, gaseous fueled, industrial engine. The AFM is programmed with a personal computer to run in one of four control modes: catalyst, best power, best economy, or lean-burn. One system can control naturally aspirated, turbocharged, in-line or vee engines. The basic system consists of an oxygen sensing system, intake manifold pressure transducer, electronic control module, actuator and exhaust thermocouple. The system permits correct operation of Waukesha engines in spite of changes in fuel pressure or temperature, engine load or speed, and fuel composition. The system utilizes closed loop control and is centered about oxygen sensing technology. An innovative approach to applying oxygen sensors to industrial engines provides very good performance, greatly prolongs sensor life, and maintains sensor accuracy. Design considerations and operating results are given for application of the system to stationary, industrial engines operating on fuel gases of greatly varying composition.

  6. QUALITY PREDICTION AND CONTROL IN ROLLING PROCESSES USING LOGISTIC REGRESSION

    E-Print Network [OSTI]

    Li, Jing

    information about the process and product, it is a challenging task to develop a systematic method to model minimum number of process variables in the model, based on which product qualities can be adequately) to collect abundant information of the process, it now becomes possible for knowledge discovery

  7. Advanced regenerative thermal oxidation (RTO) technology for air toxics control - selected case histories

    SciTech Connect (OSTI)

    Seiwert, J.J. Jr.

    1997-12-31

    Advanced design regenerative thermal oxidation (RTO) systems have been developed and are in commercial scale use for control of process emissions containing air toxics (HAPs) and VOCs. High operating temperatures coupled with high thermal energy recovery efficiencies inherent with RTO technology provide for high destruction efficiencies while minimizing formation of objectionable combustion byproducts. These results are achieved with low system operating costs. This paper covers development of advanced design commercial RTO systems for control of air emissions from several important commercial processes: total reduced sulfur (TRS) and other HAPs/VOC emissions from pulp mill processes. Chlorinated organics and other HAPs/VOC emissions from pharmaceutical manufacturing operations. The data presented represent the first commercial scale application of RTO technology to abate emissions from these processes. Particular design features required for each specific process, in order to provide reliable, safe and effective systems, are reviewed. Emissions abatement performance, as well as operational data, are presented for the systems.

  8. Experience on Commissioning of Heating/Cooling System and Thermal/Air Quality Environment 

    E-Print Network [OSTI]

    Hokoi, S.; Miura, H.; Huang, Y.; Nakahara, N.; Iwamae, A.

    2004-01-01

    -Insulated and Air-Tightened Residential House in Kansai District, Japan, Proceedings of Healthy Buildings 2000, Espoo, Finland, Vol.2, PP.587-592, 2000.8. 4. T. Shimizu and N. Nakahara, Design and Measurements of an Aged-oriented House Aiming at Healthy...

  9. Air quality implications associated with the selection of power plants in the Pacific Northwest

    SciTech Connect (OSTI)

    Baechler, M.C.; Glantz, C.S.; Edelmen, P.C.

    1993-11-01

    This assessment models emission inventories and pollutant emission rates for fossil fuel power plants. Ground-level air concentration of nitrogen oxides, sulfur dioxide and TSP are predicted. Pollutant deposition, non-acidic deposition, acidic deposition, ozone impacts, and visibility attenuation are considered. Human health effects, wildlife effects, effects on plants and crops, and residual environmental impacts are estimated from predicted emissions.

  10. Impact of Trash Burning on Air Quality in Mexico City C. Wiedinmyer,

    E-Print Network [OSTI]

    Jimenez, Jose-Luis

    . Air pollution causes serious health effects for Mexico City inhabitants.5 According to ref 6 Mexico less polluted cities. The 2006 MILAGRO field project (Megacity Initiative: Local and Global Research Observations,7 ) provided detailed chemical characterization of the pollution and sources in Mexico City

  11. CHAPTER 4. Satellite Remote Sensing of Global Air Quality. Sundar A. Christopher

    E-Print Network [OSTI]

    Christopher, Sundar A.

    with asthma and emphysema. In 1952 London experienced one of the worst smog disasters, which killed more than.5) can cause respiratory and lungs disease and even premature death. The World Health Organization (WHO) estimates that 4.6 million people die each year from causes directly attributable to air pollution

  12. AIR QUALITY MANAGEMENT IN THE YEAR 2020: AIRSHED EMISSION LIMITS FOR THE

    E-Print Network [OSTI]

    AS A NATURAL RESOURCE Management of an airshed is similar to that of natural resources such as forests, fresh by the present report benefited from inputs from the following: Dr. Sverre Vedal % human health effects of air and Petroleum Resources FVRD: Fraser Valley Regional District GVRD: Greater Vancouver Regional District MELP

  13. Earth'sFuture Measurements and analysis of air quality in Islamabad,

    E-Print Network [OSTI]

    Aneja, Viney P.

    of rapid economic growth due to industrial- ization. Motor vehicles, industrial activities, and coal [International Monetary Fund, 2010]. Reliance on diesel fuel by transport sector is another factor-Asia & Pakistan Clean Air Network, 2006]. These environmental damages cost the country an annual loss of about Rs

  14. Erosion Control Progress in the HUA IDAHO SNAKE-PAYETTE RIVERS --HUA WATER QUALITY PROJECT FINAL REPORT

    E-Print Network [OSTI]

    O'Laughlin, Jay

    Erosion Control Progress in the HUA IDAHO SNAKE-PAYETTE RIVERS -- HUA WATER QUALITY PROJECT FINAL water quality within the HUA used in #12;2 -- Erosion Control IDAHO SNAKE-PAYETTE RIVERS -- HUA WATER from farms­thus improving surface water quality. The technologies used to improve erosion control

  15. Documenting Visual Quality Controls on the Evaluation of Petroleum Reservoir-rocks through

    E-Print Network [OSTI]

    Oliveira, Manuel M.

    , natural gas or water ­ and their permeability ­ the amount of such fluids that can flow through a rockDocumenting Visual Quality Controls on the Evaluation of Petroleum Reservoir-rocks through Ontology and prediction of the quality (porosity, permeability) of petroleum reservoirs during their exploration

  16. Thermal and air quality acceptability in buildings that reduce energy by reducing minimun airflow from overhead diffusers

    E-Print Network [OSTI]

    2012-01-01

    for rating the performance of air outlets and inlets. ANSI/comfort with a variable air volume (VAV) system. InternalGuidelines: Advanced Variable Air Volume (VAV) Systems.

  17. Participant Assisted Data Collection Methods in the California Healthy Homes Indoor Air Quality Study of 2011-13

    SciTech Connect (OSTI)

    Mullen, Nasim A.; Li, Jina; Singer, Brett C.

    2013-08-01

    From November 2011 to March 2013, air quality was measured over 6-day periods in 324 residences across California using a mail-out strategy. All interactions with study participants, from recruitment, to data collection, to communication of results, were conducted with remote communication methods including conventional mail, electronic mail, telephone and text messaging. Potential participants were reached primarily by sharing study information with community groups and organizations that directed interested individuals to complete an online screening survey. Pollutant concentrations were measured with sampling equipment that was mailed to participants' homes with deployment instructions. Residence and household characteristics and activity data were collected via two phone surveys and an activity log. A comparison of responses to survey questions completed online versus over the phone indicated that a substantial fraction of participants (roughly 20%) required a researcher's assistance to respond to basic questions about appliance characteristics. Using the printed instructions and telephone assistance from researchers, roughly 90% of participants successfully deployed and returned sampling materials accurately and on schedule. The mail-out strategy employed in this study was found to be a cost-effective means for collecting residential air quality data.

  18. Pollution atmosphrique et climat / Air Quality and Climate Change A. Colette (1), L. Roul (1), B. Bessagnet (1), S. Schucht (1), S. Szopa (2), R. Vautard (2), L. Menut (3)

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    1 Pollution atmosphérique et climat / Air Quality and Climate Change A. Colette (1), L. Rouïl (1 greenhouse gases) and air pollutants, we can provide a quantitative view into the possible future air quality Pollution Atmosphérique, numéro spécial « Climat » Mot Clés : Pollution Atmosphérique, Changement Climatique

  19. Control of outdoor air source water heating using variable-speed heat pump

    SciTech Connect (OSTI)

    Dudley, K.F.; Paige, L.E.; Dunshee, K.B.; Voorhis, R.J.

    1991-10-01

    This patent describes a process of controlling an integrated heat pump system of the type. It comprises a variable speed compressor having a discharge port and a suction port; a water heater exchanger coupled to the discharge port of the compressor for heating water by transfer of heat from a compressed heat exchange fluid; an outdoor evaporator heat exchanger having an outdoor fan and a coil receiving the heat exchange fluid from the water heat exchanger and coupled also to the suction port of the compressor, for drawing heat from the outdoor air which heat is transferred to the water in the water heat exchanger; a controller having output channels to control an outdoor fan and the speed of the variable speed compressor and inputs respectively coupled to a water heater setpoint adjustment means, an outdoor air temperature sensor for sensing the outdoor temperature of the outdoor air; and a water temperature sensor for sensing the temperature of the water heated by the water heat exchanger; the process comprising the steps of sensing the outdoor temperature T{sub o}.

  20. Airborne Particulate Matter in HVAC Systems and its Influence on Indoor Air Quality 

    E-Print Network [OSTI]

    Fu, Z.; Li, N.; Wang, H.

    2006-01-01

    , Brownian diffusion, is always present as a result of the random interactions between particles and air molecules. A net flux of particles generated by Brownian diffusion only exists in the presence of a nonzero particle concentration gradient. Brownian.... In the same way that fluctuating turbulent velocity components contribute to momentum transport in turbulent flows, turbulent fluctuations contribute to the diffusive flux of particles. The instantaneous particle concentration in a turbulent flow can...