Search Results for the EPA National Library Catalog

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Ninety Day Dietary Toxicity Study in Rats. 1984
Nitrogen control and phosphorus removal in sewage treatment 1978
NTP technical report on the toxicology and carcinogenesis studies of chlorinated trisodium phosphate (CAS no. 56082-99-4) in B6C3F1 mice (gavage studies) 1986
NTP technical report on the toxicology and carcinogenesis studies of TRIS(2-ethylhexyl)phosphate : (CAS no. 78-42-2) in F344/N rats and B6C3F1 mice (gavage studies) / 1984
Nutrient control / 1983
Nutrient control in sewage lagoons 1974
Nutrient removal / 2011
Occidental Chemical Company, Swift Creek Chemical Complex, Hamilton County, Florida. Resource Document. Volume I. 1978
Occidental Chemical Company, Swift Creek Chemical Complex, Hamilton County, Florida. Resource Document. Volume II. 1978
Occidental Chemical Company, Swift Creek Chemical Complex, Hamilton County, Florida. Resource Document. Volume III. 1978
Occidental Chemical Company, Swift Creek Chemical Complex, Hamilton County, Florida. Resource Document. Volume IV. 1978
Paradise for sale : a parable of nature / 2000
Pesticide fact sheet : iron (ferric phosphate). 1998
Pesticide fact sheet : potassium dihydrogen phosphate. 1998
Pesticide fact sheet number 4 : naled / 1983
Phosphate 1979
Phosphate control with calcium ions : a laboratory study relating to Lake Erie / 1972
Phosphate removal by activated sludge / 1969
Phosphate removal by activated sludge : amenability studies at Baltimore, Maryland / 1968
Phosphate removal by activated sludge : amenability studies at Cleveland, Ohio / 1968
Phosphate removal by activated sludge : amenability studies at Indianapolis Indiana / 1968
Phosphate removal by activated sludge : amenability studies at Mansfield, Ohio / 1968
Phosphate removal by activated sludge : amenability studies at Pontiac, Michigan / 1968
Phosphate removal by activated sludge : amenability studies at Smithfield, North Carolina / 1968
Phosphate Rock Plants - Background Information for Proposed Standards. 1979
Phosphate rock plants : background information for proposed standards / 1979
Phosphate rock plants--background information for promulagated standards. 1982
Phosphate study at the Baltimore Back River wastewater treatment plant / 1970
Phosphorus biogeochemistry in subtropical ecosystems / 1999
Phosphorus control strategies at municipal wastewater treatment plants in the U.S. Great Lakes Basin 1980
Phosphorus emissions from the incineration of chemical sludge 1976
Phosphorus management for the Great Lakes : final report of the Phosphorus Management Strategies Task Force to the International Joint Commission's Great Lakes Water Quality Board and Great Lakes Science Advisory Board. 1980
Phosphorus reduction from continuous overflow lagoons by addition of coagulants to influent sewage 1977
Phosphorus removal : a bibliography. 1973
Phosphorus removal at Benton Harbor-St. Joseph, Michigan 1968
Phosphorus removal demonstration studies at C.F.B. Trenton, phase II : Alum addition optimization 1976
Phosphorus removal demonstration studies using ferric chloride and alum at C.F.B. uplands 1974
Phosphorus removal demonstration studies using lime, alum and ferric chloride at C. F. B. Borden 1978
Phosphorus removal from wastewater 1990
Phosphorus removal from wastewater by alum addition to the aeration basin of an activated sludge process : a thesis / 1971
Phosphorus removal in lower Great Lakes municipal treatment plants / 1980
Phosphorus removal study at the Sarnia WPCP 1970
Phosphorus removal treatability studies at C.F.B. Borden, Petawawa, Trenton and Uplands 1973
Phosphorus removal within existing wastewater treatment facilities 1976
Pollution prevention in the paints and coatings industry : manual. 1997
Potential uses of phosphogypsum and associated risks : background information document for 40 CFR 61 Subpart R National Emission Standards for Radon Emissions from Phosphogypsum Stacks / 1992
Powell County, Montana Air Pollution Abatement Activity. Pre-Conference Investigations. 1967
Precipitation and inactivation of phosphorus as a lake restoration technique / 1981
Preliminary Findings Radon Daughter Levels in Structures Constructed on Reclaimed Florida Phosphate Land. 1975
Preliminary findings, radon daughter levels in structures constructed on reclaimed Florida phosphate land. 1975
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