Search Results for the EPA National Library Catalog

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Showing: Items 451 - 500
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Select Item Title Year Published
Overview of the United States Effluent Guidelines Program. 1991
Overview of USEPA/Clear Lake Erie Sediment Oxygen Demand Investigations during 1979. 1987
Oxidation of organic matter in sediments / 1973
Oxidative Treatment of Industrial Wastewater. 1977
Oxygen aeration at Newtown Creek / 1979
Oxygen balance in a southern Great Plains stream in southeastern Oklahoma 1965
Oxygen consumption in continuous biological culture. 1971
Oxygen dynamics in the Chesapeake Bay : a synthesis of recent research / 1992
Oxygen regeneration of polluted rivers : second annual progress report / 1968
Oxygen regeneration of polluted rivers : third annual progress report / 1969
Oxygen regeneration of polluted rivers: the Delaware River / 1970
Oxygen Relationships in Streams. Methodology to be Applied When Determining the Capacity of a Stream to Assimilate Organic Wastes. 1961
Oxygen relationships in the Shiawassee River : 1966. 1968
Oxygen Uptake Demand of Resuspended Bottom Sediments. 1970
Oxygen Uptake Rates of Benthal Deposits on the Upper Passiac River. 1969
Oxygen-activated sludge plant completes two years of successful operation / 1977
Oxygenation of Aqueous Bodies Using Liquid Oxygen-Loxination. 1974
Papermill wastewater treatment by microstraining / 1976
Parametric Study of Water Resource Variables in a Delta Region of South Louisiana - Bayou LaFourche. Volume I. Technical Discussion, Volume II, Appendices. 1974
Patuxent River Water Quality Management Technical Evaluation. 1969
Performance evaluation of an existing lagoon system at Eudora, Kansas / 1977
Performance evaluation of an existing seven cell lagoon system / 1977
Performance evaluation of existing aerated lagoon system at Bixby, Oklahoma / 1979
Performance evaluation of existing aerated lagoon system at Consolidated Koshkonong Sanitary District, Edgerton, Wisconsin / 1979
Performance evaluation of existing lagoons, Peterborough, New Hampshire / 1977
Performance evaluation of Kilmichael lagoon / 1977
Performance evaluation of the aerated lagoon system at North Gulfport, Mississippi / 1980
Performance evaluation of the aerated lagoon system at Windber, Pennsylvania / 1978
Performance evaluation of the existing three-lagoon wastewater treatment plant at Pawnee, Illinois / 1979
Performance of Activated Sludge Processes: Reliability, Stability and Variability. 1981
Performance of aerated lagoons in northern climates / 1979
Performance of Gravel Bed Wetlands in the United States. 1994
Performance of trickling filter plants : reliability, stability and variability {Microfiche} / 1981
Perspective on Performance Variability in Municipal Wastewater Treatment Facilities. 1986
Petrochemical Effluents Treatment Practices. 1970
Phosphorus Removal and Plant Operation Studies at Fort Wayne, Indiana. 1973
Phosphorus Removal Using Chemical Coagulation and a Continuous Countercurrent Filtration Process. 1970
Phosphorus Removal. A Bibliography, Volume 1. 1973
Physical, chemical and microbiological methods of solid waste testing / 1973
Physical-Chemical Treatment of Raw Municipal Wastewater. 1973
Pilot anaerobic biological treatment of pulp mill evaporator foul condensate / 1985
Pilot Plant Demonstration of a Lime-Biological Treatment Phosphorus Removal Method. 1973
Pilot plant evaluation of alternative activated sludge systems / 1977
Pilot Plant for Tertiary Treatment of Wastewater with Ozone. 1973
Pilot scale treatment of wine stillage / 1975
Pilot-Plant Evaluation of Porous Biomass Supports (Journal Version). 1988
Pilot-Scale Anaerobic Filter Treatment of Heat Treatment Liquor. 1981
Plant Performance at Williamsburg Waste Treatment Plant, Hampton Roads Sanitation District, Williamsburg, Virginia, January 1972-June 1972. 1973
Point Source Analysis. Inventory, Water Demands, and Problem Area Identification. (Areawide Waste Treatment Management Plan for the Greater Houston Area. Section 208, PL 92-500). 1977
Point Source Loading Characterization of Galveston Bay. 1993
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