Search Results for the EPA National Library Catalog

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Groupe de travail international de la baie Missisquoi : rapport final pršenté áa la Commission mixte internationale. 2004
Historical perspective of phosphorus loading to the Cannonsville Reservoir as it relates to the West Branch Delaware River Model Implementation Program 1980
Impact of phosphorus reduction via metalimnetic alum injection in Bullhead Lake, Wisconsin 1985
Impacts of phosphorus on streams / 1984
Impacts of sediment and nutrients on biota in surface waters of the United States / 1979
Influence of hydrologic loading rate on phosphorus retention and ecosystem productivity in created wetlands 1995
Interaction of soluble phosphate with aluminum hydroxide in lakes 1977
Internal phosphorus loading in Lake Pepin (Minnesota-Wisconsin) 1995
International Missisquoi Bay Task Force : final report to the International Joint Commission. 2004
Lake restoration : zirconium inactivation of phosphorus in a eutrophic pond / 1975
Limiting phosphorus in cleaning and water conditioning agents : a survey by A.L. Kimmel / 1973
Management information base and overview modeling : update of projected pollutant loadings to the Great Lakes / 1979
Management of nonpoint sources of phosphorus. 1979
Mechanisms of biological luxury phosphate uptake / 1972
Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory -- determination of the total phosphorus by a Kjeldahl digestion method and an automated colorimetric finish that includes dialysis 1992
Modeling phosphorus dynamics in Shagawa Lake / 1978
National lake survey program : highlights. 1974
Nitrate and phosphorus runoff losses from small watersheds in Great Lakes Basin / 1978
Nitrate and phosphorus runoff losses from small watersheds in Great Lakes Basin / 1978
Nitrates and phosphorus runoff losses from small watersheds in Great Lakes Basin, 1978
Nitrogen and phosphorus determinations in estuarine waters : a comparison of methods used in Chesapeake Bay monitoring / 1987
Nitrogen, phosphorus, and carbon flux in Chesapeake Bay marshes 1976
Nonpoint source -- stream nutrient level relationships : a nationwide study / 1977
Nonpoint source control of phosphorus : a watershed evaluation / 1986
Nutrient concentrations, loads, and yields in the Eucha-Spavinaw Basin, Arkansas and Oklahoma, 2002-2004 / 2006
Nutrients : trends and system response / 1995
Nutrients : trends and system response / 1994
Nutrients in the nation's streams and groundwater, 1992-2004 / 2010
Occurrence of phosphorus, nitrate, and suspended solids in streams of the Cheney Reservoir Watershed, south-central Kansas, 1997-2000 2001
Occurrence of phosphorus, other nutrients, and triazine herbicides in water from the Hillsdale Lake Basin, Northeast Kansas, May 1994 through May 1995 1997
Optimizing phosphorus control strategies for the Great Lakes Basin a linear programming approach / 1980
Patterns and processes of variation in nitrogen and phosphorus concentrations in forested streams 2001
Percentile distributions of median nitrite plus nitrate as nitrogen, total nitrogen, and total phosphorus concentrations in Oklahoma streams, 1973-2001 2003
Phosphorous removal : a new process for treating wastewater. 1971
Phosphorus concentrations, loads, and yields in the Illinois River basin, Arkansas and Oklahoma, 1997-2001 / 2003
Phosphorus concentrations, loads, and yields in the Illinois River basin, Arkansas and Oklahoma, 2000-2004 / 2006
Phosphorus content of waters along the west coast of Florida 1954
Phosphorus control in lake watersheds : a technical guide to evaluating news development / 1989
Phosphorus control strategies at municipal wastewater treatment plants in the U.S. Great Lakes Basin 1980
Phosphorus cycling and luxury phosphorus storage by algae in the waters of Green Bay : technical completion report 1976
Phosphorus cycling in the Creeping Swamp floodplain ecosystem and exports from the Creeping Swamp watershed / 1980
Phosphorus distribution in the bottom sediments of Hyrum Reservoir : a thesis / 1971
Phosphorus in a ground-water contaminant plume discharging to Ashumet Pond, Cape Cod, Massachusetts, 1999 2003
Phosphorus in streams of the upper Tennessee River basin, 1970-93 1998
Phosphorus interactions in the aquatic environment : a survey of the literature / 1978
Phosphorus management in the Lake Erie basin : Lake Erie wastewater management study / 1980
Phosphorus removal / 1972
Phosphorus removal and plant operation studies at Fort Wayne, Indiana / 1973
Phosphorus removal by an activated sludge plant. 1970
Phosphorus removal using chemical coagulation and a continuous countercurrent filtration process, 1970
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