Search Results for the EPA National Library Catalog

Items Found: 1413
Showing: Items 451 - 500
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Environmental requirements and pollution tolerance of freshwater diatoms / 1974
Environmental requirements and pollution tolerance of Plecoptera / 1978
Environmental requirements and pollution tolerance of trichoptera / 1978
Environmental requirements of selected estuarine ciliated protozoa / 1975
Enzyme and Tissue Alterations in Fishes: A Measure of Water Quality. 1973
EPA Positive Matrix Factorization (PMF) 5.0 Fundamentals and User Guide. 2014
EPA's pesticide programs. 1991
ESA, Endangered Species Act 2001
Establishing Quantitative Performance Criteria for Wetland Restoration. 1993
Estimating Species Richness Using the Jackknife Procedure. 1984
Estimation and Application of Macroinvertebrate Tolerance Values. 2006
Estuarine pollution control and assessment : proceedings of a conference. 1977
Estuarine Pollution, A Bibliography. 1973
Estuarine response to nutrient enrichment, a counterpart of eutrophication : a bibliography / 1979
Estuarine response to nutrient enrichment, a counterpart of Eutrophication : an annotated bibliography / 1979
Estuarine Response to Nutrient Enrichment. A Counterpart of Eutrophication. Volume II. An Annotated Bibliography. 1979
Evaluating amphibian responses in wetlands impacted by mining activities in the western United States / 1991
Evaluating Point Count versus Territory Mapping in Cropland Birds. 1982
Evaluation of an index of biotic integrity : temporal variability and regional application in the midwest / 1984
Evaluation of avian richness in Willamette Valley wetlands and riparian areas: research plan. {Microfiche} / by P.R. Adamus, et al. 1995
Evaluation of bacteroides as indicator bacteria in drinking water / 1987
Evaluation of Green Roof Plants and Materials for Semi-Arid Climates. 2012
Evaluation of health hazards associated with solid waste/sewage sludge mixtures / 1975
Evaluation of Selected DNA-Based Technology in Impaired Watersheds Impacted by Fecal Contamination from Diverse Sources. 2007
Evaluation of the Clean Water Act section 304(a) human health criterion for methylmercury : protectiveness for threatened and endangered wildlife in California / 2003
Evaluation of the microbiology standards for drinking water / 1979
Evaluation of the National Invasive Species Act to Support Its Reauthorization. Proceedings Document of the Symposium 'Looking Forward, Looking Back: Assessing Aquatic Nuisance Species Prevention and Control'. Held in Ann Arbor, Michigan, May 15-16, 2001. 2002
Evaluation of the problem posed by in-place pollutants in Baltimore Harbor and recommendation of corrective action / 1977
Evaluation of watershed quality in the Minnesota River basin / 1994
Evaluation of watershed quality in the Saginaw River Basin / 1996
Evaluation of Wetland Development and Waterbird Response at Elk Creek Wildlife Management Area, Lake Mills, Iowa, 1961 to 1990. 1991
Evolution in Hawaii : a supplement to Teaching about evolution and the nature of science / 2004
Evolutionary relationships between the species of the killifish genera fundulus and profundulus teleostei cyprinodontidae / 1968
Examination of the Blue Crab Fishery in the Pamlico River Estuary. 1992
Examination of the Effects of Habitat Quality, Land Use, and Acidification on the Macroinvertebrate Communities of Coastal Plain Streams. 1996
Executive summary of public comments on the draft environmental impact statement for grizzly bear recovery in the Bitterroot ecosystem. 1998
Exotic/Invasive Species Control Manual for Mangrove Forest Areas. 1995
Experiences with single species tests for acute toxic effects on freshwater animals / 1988
Experimental marine microcosm test protocol and support document : measurement of the ecological effects, fate and transport of chemicals in a site specific marine ecosystem {microfiche} / by K.T. Perez and E.W. Davey. 1990
Experiments in consilience : integrating social and scientific responses to save endangered species / 2003
Extinction is not an option : statewide strategy to recover salmon : strategy. 1999
Extinction is not an option : statewide strategy to recover salmon : summary. 1999
Extinction is not an option a statewide strategy to recover salmon / {computer file} : 1998
Extrapolation modeling : advancements and research issues in lung dosimetry / 1989
Extrapolation of toxicological data from laboratory studies to the human situation 1985
Fact Sheet: Aquatox Release 1: Simulation Model for Aquatic Ecosystems 2000
Factors Controlling the Emissions of Monoterpenes and Other Volatile Organic Compounds. 1990
Fate of 'Bacillus sphaericus' 2362 Spores Following Ingestion by Nontarget Invertebrates. 1991
Fate of 'Bacillus sphaericus' 2362 Spores in Nontarget Invertebrates. 1992
Fecal Indicator Bacteria Persistence Under Natural Conditions in an Ice-Covered River. 1976
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