Search Results for the EPA National Library Catalog

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Eastern Lake Survey Phase II : quality assurance report / 1989
Ecological assessment of hazardous waste sites : a field and laboratory reference / 1989
Ecological assessment of hazardous waste sites : a field and laboratory reference / 1989
Ecological condition of the Columbia river estuary: an environmental monitoring and assessment program (EMAP) report. modeling fish distributions in the Pacific Northwest coast range ecoregion using EMAP Data. / 2007
Ecological condition of the estuaries of Oregon and Washington. 2006
Ecological condition of wadeable streams of the interior Columbia basin : an EPA environmental monitoring and assessment program report / 2007
Ecological condition of Western Cascades ecoregion streams : an environmental monitoring and assessment program (EMAP) report / 2004
Ecological dynamics on Yellowstone's Northern Range / 2002
Ecological forecasting : new tools for coastal and marine ecosystem management / 2003
Ecological indicator report for the environmental monitoring and assessment program : draft / 1990
Ecological indicators : proceedings of an international symposium held in Fort Lauderdale, Florida on October 16-19, 1990 / 1991
Ecological indicators for the nation / 2000
Ecological indicators. 2001
Ecological Research Strategey. 1998
Ecological risk assessment : federal guidelines / 1998
Ecological risk assessment guidance for Superfund : process for designing and conducting ecological risk assessments. 1997
Ecological risk assessment issue papers. 1994
Ecological Status and Trends Program: EPA's Approach to Monitoring Condition of the Nation's Ecosystems. 1989
Ecologically Relevant Quantification of Streamflow Regimes in Western Streams. 2006
Economic impact analysis for the proposed clay ceramics manufacturing NESHAP. 2001
Economics of sample compositing as a screening tool in ground water quality monitoring. / 1989
Ecoregional Biological Criteria. 1989
Ecoregions and Subregions of Iowa: A Framework for Water Quality Assessment and Management. 1994
Ecoregions of Alaksa. 1995
Ecoregions of Tennessee. 1997
Ecoregions: A Spatial Framework for Environmental Management. 1993
Ecosystem analysis at the watershed scale : (the revised federal guide for watershed analysis). 1995
Ecosystem indicators : Action Team final report / 1996
Ecosystem management research in the Pacific Northwest : five-year research strategy / 1995
Ecosystem modeling in Cobscook Bay, Maine : a boreal, macrotidal estuary / 2004
Ecosystem monitoring and ecological indicators : an annotated bibliography / 1994
Ecosystem Monitoring in the Great Lakes: Research Needs, Public Health Implications. 1981
Ecosystem responses to mercury contamination : indicators of change : based on the SETAC North America Workshop on Mercury Monitoring and Assessment, 14-17 September 2003, Pensacola, Florida, USA / 2007
Ecosystem Services Research Program (ESRP) Albemarle-Pamlico Watershed and Estuary Study (APWES) Research Plan. 2010
Ecosystem sustainability and health : a practical approach / 2004
Ecotoxicology : ecological dimensions / 1996
Ecotoxicology : ecological fundamentals, chemical exposure, and biological effects / 1998
Ecotoxicology : problems and approaches / 1989
Ecotoxicology and the marine environment / 1990
Ecotoxicology monitoring / 1993
Effect of riparian areas on the ecological condition of small, perennial streams in agricultural landscapes of the Willamette Valley {Microfiche} 1997
Effective ecological monitoring / 2010
Effectiveness of agricultural and silvicultural nonpoint source controls : final report / 1988
Effects of Acidic Deposition on North American Lakes: Palaeolimnological Evidence from Diatoms and Chrysophytes. 1990
Effects of Cellular Aggregation on the Ecology of Microorganisms: An Ecosystem-Level Understanding of Complex Microbial Systems Will Lead to Better Management of the Human Impact on Such Systems. 1990
Effects of Kraft Mill Effluent on the Sexuality of Fishes: An Environmental Early Warning. 1992
Effects of land application of dairy manure and wastewater on groundwater quality : pre- and post-animal waste holding pond monitoring / 2002
Effects of Natural Sediment Features on Survival of the 'Phoxocephalid amphipod', 'Rhepoxynius abronius'. 1988
Effects of the cessation of sewage sludge dumping at the 12-mile site : proceedings of the 12-Mile Dumpsite Symposium, Ocean Place Hilton Hotel, Long Branch, New Jersey 18-19 June 1991 / 1995
Effects of Wastewater Treatment and Seawater Dilution in Reducing Lethal Toxicity of Municipal Wastewater to Sheepshead Minnow ('Cyprinodon variegatus') and Pink Shrimp ('Penaeus duorarum'). 1989
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