Search Results for the EPA National Library Catalog

Items Found: 2243
Showing: Items 1951 - 2000
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Spawning Success of the Black Crappie, 'Pomoxis nigromaculatus', at Reduced Dissolved Oxygen Concentration. 1977
Species Composition and Diversity of Polychaetes in the New York Bight. 1973
Standard operating procedures for conducting acute and chronic aquatic toxicity tests with Eurytemora affinis, a Calanoid copepod / 1998
Standard test fish development / 1976
Statement of Concerns of the Lake Michigan Toxic Substances Committee Related to Polychlorinated Biphenyls. 1975
Static coal storage : biological effects on the aquatic environment / 1980
Static coal storage : chemical effects on the aquatic environment / 1980
Statistical Approach to Predicting Chronic Toxicity of Chemicals to Fishes from Acute Toxicity Test Data (for Microcomputers). 1992
Statistical approach to predicting chronic toxicity of chemicals to fishes from acute toxicity test data / 1992
Statistical summary : EMAP-estuaries Virginian Province - 1992 / 1994
Statistical summary : EMAP-estuaries, Louisianian Province - 1991 / 1993
Statistical summary : EMAP-estuaries, Louisianian Province - 1992 / 1994
Statistical summary : EMAP-estuaries, Louisianian Province - 1993 / 1995
Statistical summary : EMAP-estuaries, Virginian Province - 1990 to 1993 / 1995
Statistical Summary: EMAP-Estuaries. Virginian Province, 1991. 1994
Status and Applications of Echinoid ('Phylum echinodermata') Toxicity Test Methods. 1993
Stream Indicator and Design Workshop / 1993
Stream Indicator and Design Workshop / 1993
Stress Function for Evaluating Strategies for Water Quality Management. 1981
Stress Proteins in Aquatic Organisms: An Environmental Perspective. 1993
Structure and organization of persistent aquatic laboratory communities exposed to the insecticide dieldrin / 1984
Structure-Activity Correlations in Studies of Toxicity and Bioconcentration with Aquatic Organisms. 1975
Structure-Activity Relationship Studies on the Toxicities of Benzene Derivatives: 1. An Additivity Model. 1984
Structure-Activity Relationships for Screening Organic Chemicals for Potential Ecotoxicity Effects. 1985
Structure-Toxicity Relationships for the Fathead Minnow, 'Pimephales promelas': Narcotic Industrial Chemicals. 1983
Studies and investigations of the fate and effect of the Shell oil spill, platform B, block 26, South Timbalier Bay : (December 1, 1970-November 30, 1971) : prepared for Environmental Protection Agency / 1972
Studies on Southeastern Aquatic Insects. 1974
Studies on the Disposition and Metabolism of Pentachloroanisole in Female Mice. 1980
Studies on the Effect of Forest Insect Control with Ethylene Dibromide on Water Quality. 1963
Studies on the Etiology of Itai-Itai Disease. 1970
Studies on the Influence of Chromium Compounds on the Biological Treatment of Effluent in the Presence of Tannery Effluent (Untersuchungen Ueber den Einfluss von Chromverbindungen auf die Biologische Abwasserbehandlung in Gegenwart von Gerbereiabwasser). 1973
Study of Mercurials in the Elephant Butte Reservoir Ecosystem. 1973
Study of Phosphate Induced Algal Growth in Order to Suppress or Eliminate this Phenomenon. 1972
Study of Pulp and Paper Mill Pollution in Puget Sound. 1965
Study of selected economic and environmental aspects of individual home wastewater treatment systems 1972
Study of the Eutrophication of the Surface Waters of Pyramid Lake. 1973
Subchronic Effects of Sodium Selenite and Selenomethionine on Several Immune-Functions in Mallards. 1990
Sublethal Effects of Chronic Oil Exposure on the Intertidal Clam 'Macoma balthica'. 1982
Sublethal Metabolic Responses of the Hermatypic Coral Madracis decactis Exposed to Drilling Mud Enriched with Ferrochrome Lignosulfonate. 1981
Sublethal Narcosis and Population Persistence: A Modeling Study on Growth Effects. 1993
Submerged aquatic vegetation in Upper Chesapeake Bay : studies related to possible causes of the recent decline in abundance / 1984
Sulfur Budget of Lake Shelbyville, Illinois, and the Effects of Sulfides Upon 'Chaoborus'. 1973
Summary of On-Scene-Coordinator Protocol for Contaminated Underwater Operations. 1984
Summary of U.S. EPA-approved methods, standard methods, and other guidance for 301(h) monitoring variables. 1985
Superfund Amendments and Reauthorization Act (SARA): Section 313 Roadmaps Data Base User's Manual. 1988
Superfund Amendments and Reauthorization Act (SARA): Section 313 Roadmaps Database (for Microcomputers). 1988
Superfund Record of Decision (EPA Region 5): Prestolite Battery, Vincennes, IN., August 1994. 1994
Superfund record of decision : Bell Landfill Superfund site, PA. 1994
Superfund record of decision : Buckingham County Landfill Superfund site, VA. 1994
Superfund record of decision : Celtor Chemical Works Site, CA. 1983
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