Search Results for the EPA National Library Catalog

Items Found: 1482
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Artificial Microbial Ecosystem for Determining Effects and Fate of Toxicants in a Salt-Marsh Environment. 1977
Aspects of phosphate utilization by blue-green algae / 1976
Assessing Progress and Effectiveness through Monitoring Rivers and Streams. Report of the Task Force on Analysis of Non-Tidal Water Quality Modeling Results. 2005
Assessment of 1977 water quality conditions in the upper Potomac estuary / 1978
Assessment of annual total phosphorus tributary loading estimates : application to the Saginaw River / 1986
Assessment of Bulk Atmospheric Deposition to the Tampa Bay Watershed. 1996
Assessment of cost and effectiveness of biological dual nutrient removal technologies in the Chesapeake Bay drainage basin / 1988
Assessment of energy resource development impact on water quality : the San Juan Basin / 1979
Assessment of Nonpoint Sources. Areawide Waste Treatment Management Plan for the Greater Houston Area. 1977
Assessment of Phased-Isolation Ditch Technologies. 1987
Assessment of phosphorus in Conodoguinet Creek, Cumberland County, Pennsylvania 1988
Assessment of polyelectrolytes for phosphorus removal / 1976
Assessment of Teratogenic Potential of Trichlorofon in Mice and Rats (Journal Version). 1986
Atmospheric inputs of phosphorus to southern Lake Huron, April-October 1975 / 1977
Atmospheric Inputs to the Upper Great Lakes by Dry Deposition Processes. 1976
Atmospheric Loadings to Waters of the Four Upper Great Lakes. A Status Report. 1980
Automated Analyses for Environmental Pollution Control. 1972
Automated method for the determination of the phosphorus content in detergents. 1976
Automated Multisample-Stream Chemical Monitoring System. 1977
Automated water monitoring instrument for phosphorus contents / 1973
Automated Water Monitoring Instrument for Phosphorus Contents. 1973
Availability of phosphorus in different sources entering the Great Lakes for algal growth / 1979
Availability of pollutants associated with suspended or settled river sediments which gain access to the Great Lakes / 1979
Background information document : (integrated risk assessment) : final rules for radionuclides. 1984
Background information for standards of performance : phosphate fertilizer industry / 1974
Bacterial uptake of aquatic phosphorus : thesis / 1971
Basic of Pollution Control: Seminar for Upgrading Dairy Production and Treatment Facilities to Control Pollution, Madison, Wisconsin, March 20-21, 1973. 1973
Baywide Nutrient Reduction Strategy: Chesapeake Bay Program. Agreement Commitment Report. 1988
Beef cattle feedlot runoff and control in eastern Nebraska / 1977
Behavior of Water in a Southwestern Impoundment. 1972
Beneficial disposal of water purification plant sludges in wastewater treatment / 1978
Best demonstrated available technology (BDAT) background document for K037 : final amendment to. 1990
Best demonstrated available technology (BDAT) background document for organophosphorous wastes. 1989
Best demonstrated available technology (BDAT) background document for organophosphorus wastes (K036 nonwastewaters) : final amendment to final. 1990
Best management practices for agricultural nonpoint source control Pesticides: for the project Rural nonpoint source control water quality evaluation and technical assistance / 1984
Best management practices for agricultural nonpoint source control Pesticides: for the project Rural nonpoint source control water quality evaluation and technical assistance / 1984
Best management practices to minimize agricultural phosphorus impacts on water quality 2006
Bioavailability of phosphorus inputs to lakes : significance to management / 1981
Biochemical and Morphological Validation of a Rodent Model of OPIDN. 1988
Biochemical and Neuropathological Assessment of Triphenyl Phosphite in Rats. 1986
Biochemical changes in humans upon exposure to sulfuric acid aerosol and exercise / 1979
Biogeochemical cycling of carbon, nitrogen, and phosphorus in saltwater marshes of Lavaca Bay, Texas. 1975
Biological and Chemical Study of Virginia's Estuaries. 1972
Biological and Water Quality Survey of Sugar Creek and Tributaries Crawford County, Illinois, August and September 1992. 1993
Biological availability of phosphorus : report to the Great Lakes Science Advisory Board / 1981
Biological availability of sediment phosphorus inputs to the lower Great Lakes / 1984
Biological availability of sediment phosphorus inputs to the lower Great Lakes / 1985
Biological availability of sediment phosphorus to microorganisms 1975
Biological availability of total phosphorus / 1979
Biological Effects of Continuous and Intermittent Dosing of Outdoor Experimental Streams with Chlorpyrifos. 1985
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