Search Results for the EPA National Library Catalog

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Select Item Title Year Published
Overview of Selected Freshwater Aquatic Toxicology Research in the U.S. EPA (Environmental Protection Agency). 1985
Owasco Lake, Cayuga County, New York. 1974
Pactola Reservoir, Pennington County, South Dakota. 1976
Particle size distribution of nitrate aerosols in the Los Angeles air basin / 1977
Pathology of two species of flatfish from urban estuaries in Puget Sound / 1982
Paulinskill Lake, Sussex County, New Jersey. 1976
Pelican Lake, Bottineau County, North Dakota. 1976
Pelican Lake, St. Louis County, Minnesota. 1974
Permuted Index to Current Eutrophication Literature. 1974
Pesticide fact sheet : arsenic acid (H3AS04). 1993
Pesticide fact sheet : arsenic acid (H3AS04). 1994
Pesticide fact sheet : inorganic arsenical pesticides. 1993
Pesticide fact sheet number 103 : cadmium pesticide compounds / 1986
Pesticide fact sheet number 111.1 : calcium arsenate (tolerance revocation) / 1991
Pesticide fact sheet number 112.1 : lead arsenate / 1990
Pesticide fact sheet number 118: aluminum and magnesium phosphide / 1987
Pesticide fact sheet number 31 : wood preservatives / 1984
Pesticide fact sheet number 80 : potassium permangnate / 1985
Pesticide fact sheet number 91.1 : arsenic acid (H3AsO4) / 1991
Pesticide Resistance: Strategies and Tactics for Management. 1986
Petenwell Flowage, Juneau, Adams, and Wood Counties, Wisconsin. 1975
Pewaukee Lake, Waukesha County, Wisconsin. EPA Region V. 1975
pH Control of Industrial Waste Waters in the Inorganic Chemicals Industry. 1979
Phase II fact sheet : National Primary Drinking Water Regulations for 38 inorganic and synthetic organic chemicals / 1991
Phase V rule. 1992
Phosphate reduction and response of plankton populations in Kootenay Lake / 1976
Phosphate Removal by Activated Sludge. Amenability Studies at Baltimore, Maryland. 1969
Phosphate Removal by Activated Sludge. Amenability Studies at Smithfield, North Caroline. 1968
Phosphate Removal from Waste Waters Using Lanthanum Precipitation. 1970
Phosphate Retention by Lake Sediments. 1973
Phosphorus Enrichment, Silica Utilization, and Biogeochemical Silica Depletion in the Great Lakes. 1986
Phosphorus Release from Lake Sediments. 1973
Phosphorus Removal by Trickling Filter Slimes. 1973
Phosphorus Removal Practice. 1971
Phosphorus Removal Using Chemical Coagulation and a Continuous Countercurrent Filtration Process. 1970
Phosphorus uptake and release by Lake Ontario sediments / 1975
Photochemical aerosol dynamics / 1979
Photochemical Conversion of Solar Energy in the Environment. 1991
Photochemical Modeling Applied to Natural Waters. 1986
Photosystem II The Light-Driven Water:Plastoquinone Oxidoreductase / [electronic resource] : 2005
Physical and Chemical Characterization of Indoor Aerosols Resulting from the Use of Tap Water in Portable Home Humidifiers. 1992
Physical and Mathematical Modeling of Nitrification in a Lotic System. 1978
Physical chemical and microbiological methods of solid waste testing : four additional procedures / 1974
Physical properties of inorganic compounds SI units / 1975
Physical/chemical treatment of hazardous waste sites : speaker slide copies and supporting information / 1990
Physics and Chemistry of the Earth's Interior Crust, Mantle and Core / [electronic resource] : 2009
Phytoplankton Productivity and Standing Crop in the Vicinity of the Lake Huron-Saginaw Bay Front. 1980
Phytoplankton Species and Populations in the Pamlico River Estuary of North Carolina. 1971
Pickwick Lake, Colbert and Lauderdale Counties, Alabama. Tishomingo County, Mississippi. Harding County, Tennessee. 1976
Pigeon Lake, Steuben County, Indiana. 1976
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