Search Results for the EPA National Library Catalog

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Phosphate Removal from Waste Waters Using Lanthanum Precipitation. 1970
Phosphate removal from wastewaters using lanthanum precipitation / 1970
Phosphate Retention by Lake Sediments. 1973
Phosphate Study at the Baltimore Back River Waste-water Treatment Plant. 1970
Phosphates and phosphate substitutes in detergents. Hearings before a subcommittee of the Committee on Government Operations, House of Representatives, Ninety-second Congress, first session. 1972
Phosphates and phosphate substitutes in detergents: Government action and public confusion; ninth report. 1972
Phosphates: a case study of a valuable, depleting mineral in America: report to the Congress [electronic resource] 1979
Phosphorous removal by an activated sludge plant / 1970
Phosphorus and Eutrophication in the Pamlico River Estuary, N. C., 1966-1969 - A Summary. 1972
Phosphorus chemistry in everyday living 1987
Phosphorus emissions from the incineration of chemical sludge 1976
Phosphorus Enrichment, Silica Utilization, and Biogeochemical Silica Depletion in the Great Lakes. 1986
Phosphorus removal : a bibliography. 1973
Phosphorus removal by ferrous iron and lime / 1971
Phosphorus Removal by Trickling Filter Slimes. 1973
Phosphorus Removal Using Chemical Coagulation and a Continuous Countercurrent Filtration Process. 1970
Phosphorus uptake and release by Lake Ontario sediments / 1975
Physical chemical and microbiological methods of solid waste testing : four additional procedures / 1974
Pickwick Lake, Colbert and Lauderdale Counties, Alabama. Tishomingo County, Mississippi. Harding County, Tennessee. 1976
Pigeon Lake, Steuben County, Indiana. 1976
Pilot Plant Experiences in Demineralization of Secondary Effluent Using Electrodialysis. 1966
Pine Lake, Waukesha County, Wisconsin. EPA Region V. 1975
Pinecliff Lake, Passaic County, New Jersey. 1976
Plankton Associations and Related Factors in a Hipereutrophic Lake. 1971
Plant Available Phosphorus Status of Lakes. 1971
Pleasant Hill Reservoir, Ashland and Richland Counties. 1975
Polluted groundwater: estimating the effects of man's activities. / 1974
Pollution aspects of catfish production : review and projections / 1974
Pollution Potential of Runoff From Production Livestock Feeding Operations in South Dakota. 1973
Pompton Lakes, Passaic County, New Jersey. 1976
Potential Effects of Polyphosphate Products on Lead Solubility in Plumbing Systems. 1991
Potentiation of Phosphorus Insecticides by Phenothiazine Derivatives: Possible Hazard, with Report of a Fatal Case. 1962
Powder Mill Pond, Hillsborough County, New Hampshire. 1974
Prairie Rose Lake, Shelby County, Iowa. 1976
Pre-Impoundment Biological Survey of Stockton Reservoir-Sac River, Missouri, August, 1968. 1969
Pre-Impoundment Water Quality Investigation for the Proposed Gathright Reservoir. 1973
Precipitation of Phosphates from Water with Ferrous Salts. 1971
Prediction of environmental quality in de-enriched stream systems / 1974
Preliminary Sampling and Analytical Procedures for Evaluating the Disposal of Dredged Materials. 1974
Proceedings : biostimulation - nutrient assessment workshop / 1975
Proceedings : First Symposium on Iron and Steel Pollution Abatement Technology (Chicago, IL, 10/30-11/1/79) / 1980
Production and Processing of Metals: Their Disposal and Future Risks. 1991
Progress at the Chesapeake Bay Program '92 and '93. Restoring the Chesapeake Bay, Annual Progress Report. 1993
Project final report on determination and evaluation of environmental levels of selected toxic substances to U.S. Environmental Protection Agency 1977
Proposed Issuance of a New Source National Pollutant Discharge Elimination System Permit to Mississippi Chemical Corporation, Hardee County Phosphate Mine, Hardee County, Florida. 1981
Pymatuning Reservoir, Crawford County, Pennsylvania and Ashtabula County, Ohio. 1975
Quantitative Analysis of Alkyl Phosphates Using Automated Cool On-Column Aqueous Injection. 1989
Rabbit Lake, Crow Wing County, Minnesota. 1975
Raccoon Lake, Marion County, Illinois. 1975
RACT determinations for five industry categories in Florida. 1980
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