Search Results for the EPA National Library Catalog

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Phosphorus removal by trickling filter slimes / 1973
Phosphorus Removal by Trickling Filter Slimes. 1973
Phosphorus Removal from Effluents in Alumina Columns. 1970
Phosphorus Removal in Lagoon Treatment Systems. 1992
Phosphorus removal in lower Great Lakes municipal treatment plants / 1980
Phosphorus Removal Practice. 1971
Phosphorus removal using chemical coagulation and a continuous countercurrent filtration process, 1970
Phosphorus Removal Using Chemical Coagulation and a Continuous Countercurrent Filtration Process. 1970
Phosphorus removal using land treatment systems / 1979
Phosphorus Removal with Aluminum Chlorohydrate. 1970
Phosphorus removal with pickle liquor in an activated sludge plant / 1971
Phosphorus Removal. A Bibliography, Volume 1. 1973
Phosphorus Removal. A Bibliography, Volume 2. 1973
Phosphorus Retention Capacity of Lakes. 1976
Phosphorus source management for eutrophic lakes : phase 1, tributary phosphorus loading 1978
Phosphorus transport in rivers 1978
Phosphorus trichloride and phosphorus oxychloride : health and safety guide. 1989
Phosphorus uptake and release by Lake Ontario sediments / 1975
Phosphorus Uptake Dynamics as Related to Mathematical Modeling of 'Cladophora' at a Site on Lake Huron (Journal Version). 1980
Phosphorus, food, and our future / 2013
Phosphorus-Chlorophyll 'a' Relationship in Periphytic Communities in a Controlled Ecosystem. 1982
Phosphorus. 1984
Phosphorus: A Summary of Information Regarding Lake Water Quality. 1986
PhoStrip (Trade Name) Process for Biological Removal of Phosphorus from Wastewater: History, Performance, Cost, Technology. 1982
Physical - Chemical Treatment Plant Design. 1972
Physical and chemical removal of nutrients 1968
Physical-chemical treatment of a municipal wastewater using powdered carbon, no. II / 1976
Physical-chemical treatment of municipal wastes by recycled magnesium carbonate / 1974
Physical-Chemical Treatment of Raw Municipal Wastewater. 1973
Physico-Chemical Limnology and Periphyton in a Warm-Water Stream Receiving Wastewater Treatment Plant Effluent. 1972
Phytoplankton Composition and Distribution in Saginaw Bay. 1983
Phytoplankton Species Composition, Abundance and Distribution in Southern Lake Huron, 1980, Including a Comparative Analysis with Conditions in 1974 Prior to Nutrient Loading Reductions. 1983
Phytoplankton Water-Quality Relationships in U.S. Lakes. Part VIII: Algae Associated with or Responsible for Water-Quality Problems. 1980
Pilot plant demonstration of a lime-biological treatment phosphorus removal method / 1973
Pilot Plant Demonstration of a Lime-Biological Treatment Phosphorus Removal Method. 1973
Pilot Program to Determine the Effect of Selected Nutrients (Dissolved Organics, Phosphorus, and Nitrogen) on Nuisance Algal Growth in American Falls Reservoir. 1972
Pilot-Demonstration Project for Industrial Reuse of Renovated Municipal Wastewater. 1973
Planning guide for evaluating agricultural nonpoint source water quality controls / 1982
Plant Available Phosphorus Status of Lakes. 1971
PLUARG task C study on runoff sediment, total phosphorus filtered reactive phosphorus, (nitrate + nitrite) nitrogen, and ammonium nitrogen -- Maumee River basin / 1978
POEM: Pesticide Orchard Ecosystem Model. 1983
Point Source Loading Characterization of Galveston Bay. 1993
Point/nonpoint source trading to reduce phosphorus loads to Chesapeake Bay : the Wicomico case study : final report / 1987
Poisoning by Organic Phosphorus Pesticides Potentiated by Phenothiazine Derivatives. 1962
Pollutant Loading Reductions for the Revised Effluent Limitations Guidelines for Concentrated Animal Feeding Operations. 2002
Pollution Observations in the Lake Superior Basin. 1968
Pollution of Lake Michigan and Its Tributary Basin, Illinois, Indiana, Michigan, and Wisconsin. Proceedings of Conference, Session (4th), Held at Chicago, Illinois, on September 19-21, 1972. Volume I. 1972
Polyphosphate water-treatment products : their effects on the chemistry and solubility of lead in potable water systems / 1991
Polyurethane foam as trapping agent for airborne pesticides : analytical method development / 1980
Post Audit of a Lake Erie Eutropication Model. 1987
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