Search Results for the EPA National Library Catalog

Items Found: 2063
Showing: Items 1051 - 1100
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Select Item Title Year Published
Owasco Lake, Cayuga County, New York. 1974
Oxidation of organic matter in sediments / 1973
Ozone Alters the Concentrations of Nutrients in Bean Tissue. 1986
Pactola Reservoir, Pennington County, South Dakota. 1976
Paulinskill Lake, Sussex County, New Jersey. 1976
Pelican Lake, Bottineau County, North Dakota. 1976
Pelican Lake, St. Louis County, Minnesota. 1974
Performance evaluation of an existing lagoon system at Eudora, Kansas / 1977
Performance evaluation of an in situ anaerobic biotreatment system for chlorinated solvents / 1998
Persistence in model ecosystems / 1982
Perspectives on the Chesapeake Bay, 1990: Advances in Estuarine Sciences. 1990
Petenwell Flowage, Juneau, Adams, and Wood Counties, Wisconsin. 1975
Pewaukee Lake, Waukesha County, Wisconsin. EPA Region V. 1975
Phosphate Removal from Waste Waters Using Lanthanum Precipitation. 1970
Phosphorus and Eutrophication in the Pamlico River Estuary, N. C., 1966-1969 - A Summary. 1972
Phosphorus Control and Nitrification Processes for Municipal Wastewater. 1985
Phosphorus Inactivation by Zirconium in a Eutrophic Pond. 1982
Phosphorus Removal by Trickling Filter Slimes. 1973
Phosphorus Removal Practice. 1971
Phosphorus Removal Using Chemical Coagulation and a Continuous Countercurrent Filtration Process. 1970
Phosphorus Removal. A Bibliography, Volume 1. 1973
Phosphorus Removal. A Bibliography, Volume 2. 1973
Phosphorus Uptake Dynamics as Related to Mathematical Modeling of 'Cladophora' at a Site on Lake Huron (Journal Version). 1980
Phosphorus: A Summary of Information Regarding Lake Water Quality. 1986
Photometric Determination of Leaf Input into Tropical Streams. 1981
Photosynthetic Reaeration in the Upper Passaic River. 1972
Physical and chemical conditions of Chesapeake Bay an evaluation, 1972
Physical-chemical treatment of municipal wastes by recycled magnesium carbonate / 1974
Physico-Chemical Limnology and Periphyton in a Warm-Water Stream Receiving Wastewater Treatment Plant Effluent. 1972
Physiological and Biochemical Responses of Bush Bean ('Phaseolus vulgaris') to Ozone and Drought Stress. 1991
Physiological Limitations on Phytoplankton Productivity in the Ocean. 1992
Physiology and Natural Distribution of the Bacterium Caryophanon Latum in the Fresh Waters of Missouri. 1972
Phytoplankton and Zooplankton in Lakes Erie, Huron and Michigan: 1984. Volume 1. Interpretive Report. 1987
Phytoplankton composition and abundance in southern Lake Huron / 1980
Phytoplankton Composition, Abundance and Distribution in Lake Huron. 1985
Phytoplankton Productivity and Standing Crop in the Vicinity of the Lake Huron-Saginaw Bay Front. 1980
Phytoplankton Species and Populations in the Pamlico River Estuary of North Carolina. 1971
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 / 1979
Phytoplankton Water-Quality Relationships in U.S. Lakes. Part VIII: Algae Associated with or Responsible for Water-Quality Problems. 1980
Phytoplanktonic Nitrogen as an Index of Cultural Eutrophication. 1971
Pickwick Lake, Colbert and Lauderdale Counties, Alabama. Tishomingo County, Mississippi. Harding County, Tennessee. 1976
Pigeon Lake, Steuben County, Indiana. 1976
Pilot Program to Determine the Effect of Selected Nutrients (Dissolved Organics, Phosphorus, and Nitrogen) on Nuisance Algal Growth in American Falls Reservoir. 1972
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
Pollution control technical manual for Lurgi-based indirect coal liquefaction and SNG / 1983
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