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1

School Supply Drive  

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

SAV Associates, LLC Staples 2013 school district partners Adelante (Santa Fe Public Schools) Chama Public Schools Cochiti Elementary School Espanola Public Schools Jemez...

2

LANL Laces  

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

shoes for elementary school children 2013 LANL Laces Phase 1 Chama Valley Independent Schools Espanola Public Schools Jemez Mountain School District Las Vegas City Schools Los...

3

Eduardo S. Brondizio,¹ Anthony Cak,² Marcellus M. Caldas,³ Carlos Mena,⁴  

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

7 a 143 7 a 143 Pequenos Produtores e o Desmatamento na Amazônia Eduardo S. Brondizio,¹ Anthony Cak,² Marcellus M. Caldas,³ Carlos Mena,⁴ , ⁵ Richard Bilsborrow,⁶ Celia Futemma,⁷ Thomas Ludewigs,⁸ Emilio F. Moran,¹ e Mateus Batistella⁹ Este capítulo discute a relação entre o uso da terra por pequenos agricultores e o desmatamento, com uma atenção especial aos últimos 30 anos da colonização amazônica no Brasil e Equador. Nossa análise chama a atenção para aspectos comuns que unem diferentes grupos sociais, como os pequenos produtores (ex. identidade social, acesso à terra e recursos, tecnologia, mercado e crédito), assim como para a variabilidade entre pequenos produtores em termos de tempo de permanência na

4

Installation of a Low Flow Unit at the Abiquiu Hydroelectric Facility  

Science Conference Proceedings (OSTI)

Final Technical Report for the Recovery Act Project for the Installation of a Low Flow Unit at the Abiquiu Hydroelectric Facility. The Abiquiu hydroelectric facility existed with two each 6.9 MW vertical flow Francis turbine-generators. This project installed a new 3.1 MW horizontal flow low flow turbine-generator. The total plant flow range to capture energy and generate power increased from between 250 and 1,300 cfs to between 75 and 1,550 cfs. Fifty full time equivalent (FTE) construction jobs were created for this project - 50% (or 25 FTE) were credited to ARRA funding due to the ARRA 50% project cost match. The Abiquiu facility has increased capacity, increased efficiency and provides for an improved aquatic environment owing to installed dissolved oxygen capabilities during traditional low flow periods in the Rio Chama. A new powerhouse addition was constructed to house the new turbine-generator equipment.

Jack Q. Richardson

2012-06-28T23:59:59.000Z

5

Polychlorinated Biphenyls (PCBs) in Catfish and Carp Collected from the Rio Grande Upstream and Downstream of Los Alamos National Laboratory: Revision 1  

Science Conference Proceedings (OSTI)

Concern has existed for years that the Los Alamos National Laboratory (LANL), a complex of nuclear weapons research and support facilities, has released polychlorinated biphenyls (PCBs) to the environment that may have reached adjacent bodies of water through canyons that connect them. In 1997, LANL's Ecology Group began measuring PCBs in fish in the Rio Grande upstream and downstream of ephemeral streams that cross LANL and later began sampling fish in Abiquiu and Cochiti reservoirs, which are situated on the Rio Chama and Rio Grande upstream and downstream of LANL, respectively. In 2002, we electroshocked channel catfish (Ictalurus punctatus) and common carp (Carpiodes carpio) in the Rio Grande upstream and downstream of LANL and analyzed fillets for PCB congeners. We also sampled soils along the Rio Chama and Rio Grande drainages to discern whether a background atmospheric source of PCBs that could impact surface water adjacent to LANL might exist. Trace concentrations of PCBs measured in soil (mean = 4.7E-05 {micro}g/g-ww) appear to be from background global atmospheric sources, at least in part, because the bimodal distribution of low-chlorinated PCB congeners and mid-chlorinated PCB congeners in the soil samples is interpreted to be typical of volatilized PCB congeners that are found in the atmosphere and dust from global fallout. Upstream catfish (n = 5) contained statistically (P = 0.047) higher concentrations of total PCBs (mean = 2.80E-02 {micro}g/g-ww) than downstream catfish (n = 10) (mean = 1.50E-02 {micro}g/g-ww). Similarly, upstream carp (n = 4) contained higher concentrations of total PCBs (mean = 7.98E-02 {micro}g/g-ww) than downstream carp (n = 4) (3.07E-02 {micro}g/g-ww); however, the difference was not statistically significant (P = 0.42). The dominant PCB homologue in all fish samples was hexachlorobiphenyls. Total PCB concentrations in fish in 2002 are lower than 1997; however, differences in analytical methods and other uncertainties exist. A review of historical quantitative PCB data for fish from the Rio Grande and Abiquiu and Cochiti reservoirs does not indicate a distinct contribution of PCBs from LANL to fish in the Rio Grande or Cochiti. Analysis of homologue patterns for fish does not provide sufficient evidence of a LANL contribution. Nevertheless, concentrations of PCBs in fillets of fish sampled from the Rio Grande are indicative of potential adverse chronic health impact from consumption of these fish on a long-term basis.

Gilbert J. Gonzales Philip R. Fresquez

2008-05-12T23:59:59.000Z