Search Results for the EPA National Library Catalog

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Oxygenation of dredged material by direct injection of oxygen and air during open-water pipeline disposal : final report / 1977
Ozone and Soil Moisture Deficit Effects on Nitrogen Metabolism of Soybean (Journal Version). 1987
Ozone and vascular tissue differentiation in plants / 1976
Ozone Chemiluminescent Study. Part II. Radioactive Ozone Generator. 1970
Ozone Treatment of Secondary Effluents from Waste-Water Treatment Plants. 1969
Packinghouse Waste Treatment. 1970
Papermill wastewater treatment by microstraining / 1976
Parallel Evaluation of Air- and Oxygen-Activated Sludge. 1981
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 Assessment of Incinerators and High Temperature Industrial Processes Disposing Hazardous Waste in the United States. 1986
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 the Union Carbide dissolved oxygen analyzer / 1980
Performance of the Union Carbide Dissolved Oxygen Analyzer. 1973
Performance of trickling filter plants : reliability, stability and variability {Microfiche} / 1981
Personal Computers and Environmental Engineering. Part 2. Applications. 1987
Perspective on Performance Variability in Municipal Wastewater Treatment Facilities. 1986
Pesticide fact sheet number 234 : ethylene oxide (EtO) / 1990
Pesticides: Their Impact on the Estuarine Environment. 1979
Petrochemical Effluents Treatment Practices. 1970
Phase III actions for hypoxia management / 1998
Phosalone : pesticide registration standard. 1981
Phosphate Study at the Baltimore Back River Waste-water Treatment Plant. 1970
Phosphorus and hypolimnial dissolved oxygen in Lake Erie 1971
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
Photolysis of Smoke Dyes on Soils. 1994
Photosynthesis and respiration rates in the Monticello experimental streams : 1976/77 diel field data and computed results / 1982
Photosynthesis and respiration rates in the Monticello experimental streams : 1976/77 diel field data and computed results / 1982
Photosynthetic reaeration in the Upper Passaic River; final report, 1972
Physical and chemical conditions of Chesapeake Bay an evaluation, 1972
Physical and Chemical Properties of the Coastal Waters of Georgia. 1973
Physical and Chemical Stratification in Two High Altitude Reservoirs of the Colorado River Basin. 1963
Physical and Mathematical Modeling of Nitrification in a Lotic System. 1978
Physical Chemistry Service. Semiannual Progress Report, July-December 1970. 1971
Physical, chemical and microbiological methods of solid waste testing / 1973
Physical-Chemical Treatment of Raw Municipal Wastewater. 1973
Physiological Adaptations to Carbon Monoxide Levels and Exercise in Normal Men. 1972
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