Search Results for the EPA National Library Catalog

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Showing: Items 3401 - 3450
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Sediment suspension and resuspension from small craft induced turbulence / 1982
Sediment transport, hydraulic retention devices and aquatic habitat in sand-bed channels / 1993
Sediment-water-biomass interactions of toxic metals in the western basin, Lake Erie / 1978
Selected Annotated Bibliography on Columbia and Snake Rivers. 1973
Selected bibliography of publications relating to undesirable effects upon aquatic life by algicides, insecticides, weedicides / 1954
Selected Bibliography on the Toxicology of the Benthic Invertebrates and Periphyton. 1982
Selected Biological References Applicable to Water Treatment. 1952
Selected Microcomputer Programs for Water Quality Assessments (Experimental). 1984
Selected Microcomputer Programs for Water Quality Assessments (Experimental). Documentation. 1984
Selected organic compounds and trace elements in water, bed sediment, and aquatic organisms, upper Snake River Basin, Idaho and western Wyoming, water years 1992-94 1997
Selecting optical plankton counter size bins to optimize zooplankton information in Great Lakes studies / 2008
Selection and Breeding Programs in Aquaculture [electronic resource] / 2005
Selection of Surrogates for a Genetically Engineered Microorganism with Cellulolytic Capability for Ecological Studies in Streams. 1991
Selenium in aquatic organisms from seleniferous habitats / 1978
Seminar for analytical methods for priority pollutants : Norfolk, VA., January 17-18, 1980 / 1980
Seminar publication : control of biofilm growth in drinking water distribution systems. 1992
Sensitivity of vertebrate embryos to boron compounds : April 1977 : final report / 1977
Sequential Anaerobic Degradation of 2,4-Dichlorophenol in Freshwater Sediments. 1990
Serial-Dilution Apparatus for Continuous Delivery of Various Concentrations of Materials in Water. 1965
Setting and Allocating the Chesapeake Bay Basin Nutrient and Sediment Loads: The Collaborative Process, Technical Tools and Innoavtive Approaches. 2003
Setting Priorities for Tampa Bay Habitat Protection and Restoration: Restoring the Balance. 1996
Sewannee, Tennessee Wastewater Facilities. Volume II: Alternatives Development and Evaluation Technical Reference Document. 1981
Shake-Flask Test for Estimation of Biodegradability of Toxic Organic Substances in the Aquatic Environment. 1987
Shallow Lakes in a Changing World Proceedings of the 5th International Symposium on Shallow Lakes, held at Dalfsen, The Netherlands, 5-9 June 2005 / [electronic resource] : 2007
Sheboygan River and Harbor: Aquatic Ecological Risk Assessment. 1998
Shellfish Outreach Project. A Final Report to The New Hampshire Estuaries Project. 2003
Shellfish Tissue Monitoring in New Hampshire Estuaries 2005. Final Report to the New Hampshire Estuaries Project. 2006
Shifting Baselines The Past and the Future of Ocean Fisheries / [electronic resource] : 2011
Shipshape shores and waters : a handbook for marina operators and recreational boaters. 2003
Shoalwater Bay Reservation : a limited environmental assessment: 1994-1995 / 1997
Short-Exposure, Sublethal, Sediment Toxicity Test Using the Marine Bivalve 'Mulinia lateralis': Statistical Design and Comparative Sensitivity. 1994
Short-Term Chronic Toxicity Test Using 'Daphnia magna'. 1987
Short-term methods for estimating the chronic toxicity of effluents and receiving water to marine and estuarine organisms. 2002
Short-term methods for estimating the chronic toxicity of effluents and receiving waters to freshwater organisms / 1994
Short-term methods for estimating the chronic toxicity of effluents and receiving waters to freshwater organisms. 2002
Significance of Cellulose Production by Planktonic Algae in Lacustrine Environments. 1972
Significance of heavy metals in urban runoff entering the Occoquan reservoir 1981
Significance of the Coliform Group of Bacteria and of Other Bacteria as a Criterion of the Sanitary Quality of Water. 1945
Significance of the Surface Microlayer to the Environmental Fate of Di(2-ethylhexyl)phthalate Predicted from Marine Microcosms. 1990
Simazine : health advisory. 1987
Similarities of Periphyton Communities on Natural and Artificial Substrates in Streams. 1971
Simple Continuous-Flow Toxicant Delivery System. 1980
Simple Photometer for Precise Determination of Dissolved Oxygen Concentration by the Winkler Method with Recommendations for Improving Respiration Rate Measurements in Aquatic Organisms. 1981
Simulation Modeling as a Means of Studying Large Aquatic Ecosystems. 1984
Sinclair and Dyes Inlets action program initial data summaries and problem identification / 1988
Sinclair and dyes inlets urban bay action program : 1990 action plan / 1990
Sixth international symposium on responses of marine organisms to pollutants 1991
Skeletal growth of aquatic organisms : biological records of environmental change / 1980
Societal values and the proper role of restoration ecologists 2003
Some Applications of Locomotor Response in Pollution Effects Monitoring. 1980
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