Search Results for the EPA National Library Catalog

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Spruce Run Reservoir, Hunterdon County, New Jersey. 1976
St. Louis Bay, St. Louis County, Minnesota, and Douglas County, Wisconsin. 1975
St. Marys River, Michigan: An Ecological Profile. 1987
State adoption of numeric nutrient standards (1998-2008). 2008
State Changes of Laboratory Microecosystems in Response to Chemicals from Three Structural Groups. 1987
State of the Bay: Progress and Challenges, 2004. 2004
State of the Chesapeake Bay : Second annual monitoring report / 1987
State of the Chesapeake Bay: Second Annual Monitoring Report, Compendium. 1987
State of the Susquehanna: Susquehanna River Basin Commission, 2010 Report. 2010
State of Utah Clean Lakes Program Diagnostic Feasibility Study Pelican Lake 1999
State policies concerning the use of injectants for in-situ ground water remediation / 1996
State policy and regulatory barriers to in situ ground water remediation. 1996
Status of Advanced Waste Treatment. 1972
Status, Trends, and Conservation of Eelgrass in Atlantic Canada and the Northeastern United States. Report of a Workshop Held February 24-25, 2009 at Regency Hotel, Portland, Maine. 2009
Stillwater Lake Monroe County, Pennsylvania. 1975
Stockade Lake, Custer County, South Dakota. 1976
Storm Water Pollution from Urban Land Activity. 1970
Strategic Assessment of Near Coastal Waters: Northeast Case Study. 1987
Strategic Assessment of Near Coastal Waters: Northeast Case Study. Chapter 3. Susceptibility and Concentration Status of Northeast Estuaries to Nutrient Discharges. 1988
Strategies for Assessing the Cumulative Effects of Wetland Alteration on Water Quality. 1988
Strategies for reducing pollutants from irrigated lands in the Great Plains / 1982
Stream Corridor Protection Strategy for Local Governments. 2010
Stream Pollution from Cattle Barnlot (Feedlot) Runoff. 1972
Stream Pollution in the 'New Lead Belt' of S. E. Missouri. 1970
Stress Interactions and Mycorrhizal Plant Response: Understanding Carbon Allocation Priorities. 1991
Structural and Functional Aspects of the Ecology of Submerged Aquatic Macrophyte Communities in the Lower Chesapeake Bay. Volume 2: Submarine Light Quantity and Quality in the Lower Chesapeake Bay and Its Potential Role in the Ecology of Submerged Seagrass Communities. 1982
Studies of circulation and primary production in deep inlet environments / 1977
Studies of Sewage Purification. IX. Total Purification, Oxidation, Adsorption and Synthesis of Nutrient Substrates by Activated Sludge. 1965
Studies of the Interactions of Aquatic Bacteria and Aquatic Nematodes. 1970
Studies on Algae from Eutrophic and Oligotrophic Waters and Their Use in the Bio-Assay of Water Quality. 1970
Studies on lake restoration by phosphorus inactivation / 1976
Studies on the Methanogenic Bacteria in Sludge. 1968
Studies related to nutrients entering groundwater from the Heber Valley sewer farm and dairies. 1991
Studies to determine methods for culturing three freshwater zooplankton species / 1975
Study of Phosphate Induced Algal Growth in Order to Suppress or Eliminate this Phenomenon. 1972
Study of the Effects of Island Development on Lake Water Quality. 1972
Study of the Use of Biomass Systems in Water Renovation. 1967
Submerged aquatic vegetation in Upper Chesapeake Bay : studies related to possible causes of the recent decline in abundance / 1984
Subsurface Biological Activity in Relation to Ground Water Pollution. 1973
Subsurface water pollution : a selective annotated bibliography. 1972
Suggested Approach for Developing Estuarine Water Quality Criteria for Management of Eutrophication. 1981
Sulfur Dynamics in Mineral Horizons of Two Northern Hardwood Soils. A Column Study with (35)S. 1990
Summary analysis of the North American (US portion) OECD eutrophication project : nutrient loading--lake response relationships and trophic state indices / 1978
Summary and conclusions : nutrient transport and accountability in the lower Susquehanna River Basin / 1974
Summary and conclusions from the forthcoming Technical report 56 : "Nutrient enrichment and control requirements in the upper Chesapeake Bay" / 1973
Summary of Effects of Partially-Treated Sewage on Nearshore Environments of Southeastern Florida. 1985
Superior Bay, St. Louis County, Minnesota, and Douglas County, Wisconsin. 1975
Surface-water quality changes after 5 years of nutrient management in the Little Conestoga Creek headwaters, Pennsylvania, 1989-91 1997
Survey of chemical factors in Saginaw Bay (Lake Huron) / 1977
Survey of fertilizers and related materials for perchlorate (CIO4å) : final report / 2001
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