Search Results for the EPA National Library Catalog

Items Found: 1342
Showing: Items 201 - 250
Your Search: (SUBJECT=Phosphates)


 
 
 
PREV 1 2 3 4 5 6 7 8 9 10 11 12 ... 27 NEXT
Select Item Title Year Published
Duhernal Lake, Middlesex County, New Jersey. 1976
Dworshak Reservoir, Clearwater County, Idaho. 1977
E. V. Spence Reservoir, Coke County, Texas. 1977
East Oakwood Lake, Brookings County, South Dakota. 1977
East Vermillion Lake, McCook County, South Dakota. 1976
Economic analysis of phosphate control : detergent phosphate limitations vs. wastewater treatment / 1980
Effect of Dredging on the Nutrient Levels and Biological Populations of a Lake. 1972
Effect of Nutrition on the Response of Field Populations of the Calanoid Copepod 'Acartia tonsa' to Copper. 1978
Effect of pH, DIC, orthophosphate, and sulfate on drinking water cuprosolvency 1995
Effect of Repeated Organophosphate Administration on Carbachol-Stimulated Phosphoinositide Hydrolysis in the Rat Brain. 1993
Effects of Atrazine on Aquatic Ecosystems: A Physical and Mathematical Modeling Assessment. 1985
Effects of Continuous Chlorination on Entrained Estuarine Plankton. 1980
Effects of copper and zinc on smoltification of coho salmon / 1977
Effects of Enrichment on Lake Superior Periphyton. 1973
Effects of household sanitary systems on effluent phosphate levels, 1973
Effects of Inorganic Complexing on the Toxicity of Copper to 'Daphnia magna'. 1976
Effects of manganese and their modification by hexametaphosphate / 1977
Effects of Nitrate and Phosphate Limitation on Cyclostat Growth of Two Freshwater Diatoms (Journal Version). 1982
Effects of Organophosphates on Monocyte Nonspecific Esterase Activity & Peripheral Blood Monocyte Functions -with Cover Letter dated 120985. 1985
Effects of Organophosphates on the Visual System of Rats. 1994
Effects of Pesticides on Schedule-Controlled Behavior. 1984
Effects of phosphorus loading on phytoplankton distribution and certain aspects of cytology in Saginaw Bay, Lake Huron / 1983
Effects of Pollution on Water Quality Perdido River and Bay, Alabama and Florida. 1970
Effects of Recent and Past Phosphate Fertilization on the Amount of Phosphorus Percolating Through Soil Profiles into Subsurface Waters. 1971
Effects of the Synthetic Pyrethroids AC 222,705, Permethrin and Fenvalerate on Sheepshead Minnows in Early Life Stage Toxicity Tests. 1983
Effluent limitations guidelines for existing sources and standards of performance for new sources for 28 point source categories : summary of final [report]. 1974
Effluent Monitoring Procedures: Nutrients. Staff Guide for Conducting the Course. 1977
Elbow Lake, St. Louis County, Minnesota. 1974
Electrochemical Method for Removal of Phosphates from Waste Waters. 1970
Electrochemical Method for the Determination of Phosphate in Natural Water. 1972
Electrophoresis and coagulation studies of some Florida phosphate slimes 1973
Electrophoretic and filtration studies of a Florida phosphate slime 1975
Elimination of washer slimes from the production of phosphate chemicals / 1976
Embarrass Lake, St. Louis County, Minnesota. 1974
Emission of naturally occurring radioactivity: Monsanto elemental phosphorus plant (Report no. 4) / 1982
Emissions of naturally occurring radioactivity : Stauffer elemental phosphorus plant / 1982
Emissions of naturally occurring radioactivity from Monsanto elemental phosphorus plant / 1982
Enemy Swim Lake, Day County, South Dakota. 1977
Enid Lake, Yalobusha County, Mississippi. 1975
Environmental Distribution and Metabolic Fate of Key Industrial Pollutants and Pesticides in a Model Ecosystem. 1973
Environmental impact guidelines for new source non-fertilizer phosphate manufacturing facilities. 1981
Environmental impact guidelines for new source phosphate fertilizer manufacturing facilities. 1981
Environmental profiles and hazard indices for constituents of municipal sludge : Tricresyl Phosphate. 1985
Environmental requirements of blue-green algae; proceedings of a symposium jointly sponsored by University of Washington and Federal Water Pollution Control Administration, Pacific Northwest Water Laboratory, September 23-24, 1966. 1967
EPA Office of Compliance Sector Notebook Project: Profile of the Agricultural Chemical, Pesticide, and Fertilizer Industry. 2000
Equivalence of Microbial Biomass Measures Based on Membrane Lipid and Cell Wall Components, Adenosine Triphosphate, and Direct Counts in Subsurface Aquifer Sediments (Journal Version). 1988
Estech General Chemicals Corporation, Duette Mine, Manatee County, Florida. Resource Document: Radiological Environment. 1979
Estes Lake, York County, Maine. 1974
Estimating nutrient loadings of lakes from non-point sources / 1974
Estimating nutrient loadings of lakes from non-point sources / 1974
PREV 1 2 3 4 5 6 7 8 9 10 11 12 ... 27 NEXT

Save, Print or Email Selected Records