Search Results for the EPA National Library Catalog

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Biological Survey of Rock Creek from Rockville, Maryland to the Potomac River. 1966
Biological Surveys of the Upper James River Basin. Covington, Clifton Forge, Big Island, Lynchburg, and Piney River Areas. 1968
Biology. A Technical Report Containing Background Data for a Water Pollution Control Program. 1968
Biomedical data validation through an on-line computer system / 1978
Black Bullhead: An Indicator of the Presence of Chemical Carcinogens. 1986
Characteristics of Klebsiella from Textile Finishing Plant Effluents. 1976
Chemicals and bacteriological organisms in recreational shellfish : final report / 1988
Chronic Effects of Contaminated Sediment on 'Daphnia magna' and 'Chironomus tentans' (Journal Version). 1988
Climate-Biosphere Interactions Scope of Work. 1989
Coliphages as Indicators of Enteroviruses. 1984
Comparison of Indices That Describe the Relationship between Exposure to Ozone and Reduction in the Yield of Agricultural Crops. 1988
Comparisons of Single-Species, Microcosm and Experimental Pond Responses to Atrazine Exposure. 1986
Composite sampling for detection of coliform bacteria in water supply / 1990
Computer Mapping as an Aid in Air Pollution Studies. Volume II. Individual Reports. Report E. Montreal Region Study. 1970
Computerized System for the Evaluation of Aquatic Habitats Based on Environmental Requirements and Pollution Tolerance Associations of Resident Organisms. 1986
Concentration factors and transport models for radionuclides in aquatic environments : a literature report / 1976
Current Practices in Water Microbiology - Training Manual. 1974
Current Practices in Water Microbiology. Training Manual. 1974
Damage of Fluorine-Indicator Plants in the Wild Flora, (Fluorschaden - Weiserpilanzen in der Wildilora). 1974
Derivation of site-specific water quality criteria for cadmium and the St. Louis River Basin, Duluth, Minnesota 1984
Derivation of Site-Specific Water Quality Criteria for Cadmium and the St. Louis River Basin, Duluth, Minnesota. 1984
Destruction by Anaerobic Mesophilic and Thermophilic Digestion of Viruses and Indicator Bacteria Indigenous to Domestic Sludges. 1980
Detection of mutagenic/carcinogenic alteration in fish {MICROFICHE} 1983
Determination and Use of Condition Index of Oysters. 1982
Determination, Assessment, and Design of 'In-Stream Value' Studies for the Northern Great Plains Region. 1974
Determining Pathogen Levels in Sludge Products. 1988
Development of bioassay procedures for defining pollution of harbor sediments. Part I / 1981
Developments at Ninth International Conference on Water Pollution Research Held at Stockholm, Sweden on June 12-16, 1978. 1978
Distribution of phytoplankton in Indiana lakes / 1978
Drinking water criteria document for heterotrophic bacteria / 1984
Ecological Baseline and Monitoring Study for Port Gardner and Adjacent Waters. 1976
Ecological Evaluation of Stream Eutrophication. 1973
Ecology of Diatoms in Hardwater Habitats. 1971
Ecology of the Second Trophic Level of Lakes Superior, Michigan, and Huron. 1970
Ecoregions: A Spatial Framework for Environmental Management. 1993
Ecosystem monitoring and ecological indicators : an annotated bibliography / 1994
Effect of Pesticide Residues and Other Organo-Toxicants on the Quality of Surface and Ground Water Resources. 1970
Effects of Enrichment on Lake Superior Periphyton. 1973
Effects of Industrial Effluents on Primary Phytoplankton Indicators. 1973
Effects of Phenol, 2,4-Dimethylphenol, 2,4-Dichlorophenol, and Pentachlorophenol on Embryo, Larval, and Early-Juvenile Fathead Minnows ('Pimephales promelas'). 1982
Effects of the Synthetic Pyrethroids AC 222,705, Permethrin and Fenvalerate on Sheepshead Minnows in Early Life Stage Toxicity Tests. 1983
Effects of Toxicants on Plankton. 1982
Environmental Monitoring and Assessment Program (EMAP) cumulative bibliography / 1994
Environmental Monitoring and Assessment Program (EMAP) cumulative bibliography / 1994
Environmental monitoring and assessment program : arid ecosystems 1993 implementation plan, Colorado plateau plot design pilot study / 1993
Environmental monitoring and assessment program : ecological indicators / 1990
Environmental Quality Annual Report (3rd) of the Council on Environmental Quality. 1972
Environmental requirements and pollution tolerance of Ephemeroptera / 1978
Environmental requirements and pollution tolerance of freshwater diatoms / 1974
Environmental requirements and pollution tolerance of Plecoptera / 1978
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