Search Results for the EPA National Library Catalog

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Reregistration Eligibility Decision for Acephate. 2001
Research activity descriptors : FY 88 : a contribution to the National Acid Precipitation Assessment Program. 1988
Research activity descriptors : FY 89. 1989
Research activity descriptors, FY89 : October 1988-September 1989 : a contribution to the National Acid Precipitation Assessment Program. 1989
Research and development : health and environmental effects document for 1-butanol / 1989
Research and development : health and environmental effects document for 4-aminopyridine / 1989
Research and development : health and environmental effects document for benzoic acid / 1987
Research and development : health and environmental effects document for benzyl alcohol / 1989
Research and development : health and environmental effects document for bromochloromethane / 1990
Research and development : health and environmental effects document for bromoform / 1989
Research and development : health and environmental effects document for cacodylic acid / 1989
Research and development : health and environmental effects document for chloral / 1988
Research and development : health and environmental effects document for methyl chloride / 1986
Research and development : health and environmental effects profile for anthracene / 1987
Research and development : health and environmental effects profile for benzo(k)fluoranthene {Microfiche} / 1987
Research and development : health and environmental effects profile for niagara blue 4B / 1987
Research and development : health and environmental effects profile for pyrene {Microfiche} / 1987
Research and development studies on the use of the Butoxyethanol ester of 2,4-D granular herbicide (2,4-D BEE) for control of eurasian watermilfoil, myriophyllum spicatum. 1977
Research and Quality Assurance Methods Used in the EMAP Prairie Wetlands Pilot Study. 1994
Research Directed Toward Development of Test Procedures for Evaluating Allowable Limits of Concentration of Toxic Substances in Aquatic Environments. 1962
Research for the Development of Water Quality Criteria for Aquatic Life. 1957
Research plan & methods manual for the Oregon wetlands study / 1993
Research priorities for aquatic invasive species : hearing before the Subcommittee on Environment, Technology, and Standards, Committee on Science, House of Representatives, One Hundred Seventh Congress, second session, June 20, 2002. 2002
Research strategy : Environmental Monitoring and Assessment Program. 2002
Research study for the development of dredged material disposal criteria : final report / 1975
Research to Determine the Environmental Response to the Deposition of Spoil on Salt Marshes Using Diked and Undiked Techniques. 1974
Reservation=wide Biological Monitoring of Surface Waters: aquatic invertebrate assemblages of the Jocko River and Little Bitterroot River Watersheds 2007
Residues of emulsified xylene in aquatic weed control and their impact on rainbow trout, Salmo gairdneri / 1977
Resilience Practice Building Capacity to Absorb Disturbance and Maintain Function / [electronic resource] : 2012
Resistance of Tubificid Worms to Three Common Pollutants. 1967
Resource Seasonality and Fish Diets in an Illinois Stream. 1982
Respiration in aquatic ecosystems / 2005
Respiration of Aquatic Macrophytes in Eutrophic Ecosystems. 1971
Response of a salt marsh to oil spill and cleanup : biotic and erosional effects in the Hackensack Meadowlands, New Jersey / 1978
Response of Benthic Communities in MERL Experimental Ecosystems to Low Level, Chronic Additions of No. 2 Fuel Oil. 1980
Response of the Photosynthetic Apparatus of 'Phaeodactylum tricornutum' (Bacillariophyceae) to Nitrate, Phosphate, or Iron Starvation. 1993
Responses of marine organisms to pollutants / 1985
Responses of marine organisms to pollutants / 1988
Responses of stream invertebrates to an ashpit effluent : Wisconsin power plant impact study / 1980
Responses of submersed vascular plant communities to environmental change : performed for Eastern Energy and Land Use Team, National Water Resources Analysis Group, Office of Biological Services, Fish and Wildlife Service, U.S. Department of the Interior / 1980
Responses of submersed vascular plant communities to environmental change, summary performed for Eastern Energy and Land Use Team, National Water Resources Analysis Group, Office of Biological Services, Fish and Wildlife Service, U.S. Department of the Interior / 1980
Responses of Wetland Plants to Effluents in Water and Sediment. 1991
Restoration and enhancement of aquatic habitats in Alaska case study reports, policy guidance, and recommendations / 1994
Restoration and enhancement of aquatic habitats in Alaska project inventory, case study selection, and bibliography / 1993
Restoration of aquatic ecosystems : science, technology, and public policy / 1992
Restoration of aquatic ecosystems : science, technology, and public policy / 1992
Restoration of aquatic systems / 2006
Restoration of lakes and inland waters / 1981
Restoration of Lakes, Streams, Floodplains, and Bogs in Europe Principles and Case Studies / [electronic resource] : 2010
Restoration of lower St. Regis Lake (Franklin County, New York) / 1977
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