Search Results for the EPA National Library Catalog

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Select Item Title Year Published
Rome Pond, Jefferson County, Wisconsin. 1974
Root-Exuded Oxygen in the Aquatic Angiosperm 'Ruppia maritima'. 1984
Ross Barnett Reservoir, Jackson, Madison, and Rankin Counties, Mississippi. 1975
Round Lake, Saratoga County, New York. 1974
Round Lake, Waupaca County, Wisconsin. 1975
Routine estimation and reporting of dry deposition for the U.S.A. dry deposition network / 1991
Roy Lake, Marshall County, South Dakota. 1977
Rye Patch Reservoir, Pershing County, Nevada. 1977
Sacandaga Reservoir, Fulton and Saratoga Counties, New York. 1974
Sampling and Analysis of Atmospheric Aerosols. 1984
Sampling and analytical methodology for atmospheric nitrates : interim report. evaluation of sampling variables / 1978
Sampling and analytical methodology for atmospheric particulate nitrates : final report / 1978
Sampling and analytical methodology for atmospheric particulate nitrates : final report. 1978
Sampling Frequency for Water Quality Monitoring. 1981
Sampling of Reactive Atmospheric Species by Transition-Flow Reactor: Application to Nitrogen Species (Journal Version). 1988
Sand Lake, Brown County, South Dakota. 1976
Sangchris Lake, Christian County, Illinois. 1975
Santa Margarita Lake, San Luis Obispo County, California. 1978
Santeetlah Lake, Graham County, North Carolina. 1975
Saratoga Lake, Saratoga County, New York. 1974
Sardis Lake, Lafayette and Panola Counties, Mississippi. 1975
Schroon Lake, Essex and Warren Counties, New York. 1974
Seasonal and spatial patterns of nitrate and silica concentrations in Canajoharie Creek, New York 1998
Sebasticook Lake, Penobscot County, Maine. 1974
Section 319 nonpoint source program success story : North Carolina : basin-wide cleanup effort reduces instream nitrogen / 2005
Section 319 nonpoint source program success story : North Carolina : Tar-Pamlico Basin agricultural management strategy reduces instream nutrients / 2005
Section 319 nonpoint source program success story Pyramid Lake Paiute Tribe, Nevada : improved grazing and agricultural management reduces nitrogen in the Truckee River watershed / {electronic resource} : 2005
Sediment Studies in Back River Estuary, Baltimore, Maryland. 1976
Sediment, nutrient and pesticide transport in selected lower Great Lakes tributaries / 1988
Selected irrigation return flow quality abstracts 1972-1973, third annual issue, 1974
Selected irrigation return flow quality abstracts, 1974 : fourth annual issue / 1976
Selected irrigation return flow quality abstracts, 1975 : fifth annual issue / 1977
Selected irrigation return flow quality abstracts, 1976 : sixth annual issue / 1978
Selected irrigation return flow quality abstracts, 1977 : seventh annual issue / 1979
Selected irrigation return flow quality abstracts, 1978 : eighth annual issue / 1980
Selective Removal of Nitrate and Nitrite from Polluted Water. 1974
Seneca Lake, Schuyler County, New York. 1974
Shallow Ground Water in Selected Areas in the Fort Union Coal Region. 1974
Shasta Lake, Shasta County, California. 1978
Shaver Lake, Fresno County, California. 1978
Shawano Lake, Shawano County, Wisconsin. 1974
Shelbyville Reservoir, Moultrie and Shelby Counties, Illinois. 1975
Shenango River Reservoir, Mercer County, Pennsylvania. EPA Region III. 1975
Sheridan Lake, Pennington County, South Dakota. 1977
Short-Term Changes in the Base Neutralizing Capacity of an Acid Adirondack Lake, New York. 1984
Silica and nitrate depletion as related to rate of eutrophication in Lake Michigan, Lake Huron, and Lake Superior / 1971
Silver Lake, McLeod County, Minnesota. 1974
Silver Lake, Mono County, California. 1978
Silver Lake, Worth County, Iowa. 1976
Simplified N.O.D. determination / 1979
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