Search Results for the EPA National Library Catalog

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Select Item Title Year Published
Structural properties for determining mechanisms of toxic action / 1989
Structure and Function of Copper-Stressed Aquatic Microcosms. 1984
Structure-activity correlations in studies of toxicity and bioconcentration with aquatic organisms / 1975
Structure-activity correlations in studies of toxicity and bioconcentration with aquatic organisms : proceedings of a symposium held in Burlington, Ontario at the Canada Center for Inland Waters, March 11-13, 1975 / 1975
Structure-Activity Correlations in Studies of Toxicity and Bioconcentration with Aquatic Organisms. 1975
Studies of the Interactions of Aquatic Bacteria and Aquatic Nematodes. 1970
Studies on Soda Butte, Slough, and Iron Springs Creeks, Yellowstone National Park 1972
Studies on Southeastern Aquatic Insects. 1974
Studies on the Effect of Forest Insect Control with Ethylene Dibromide on Water Quality. 1963
Studies on the effects of salinity and temperature on the commercial shrimp, Penaeus aztecus ives, with special regard to survival limits, growth, oxygen consumption and ionic regulation, 1974
Studies on the time course of salinity and temperature adaptation in the commercial brown penaeus aztecus ives : final report 1977
Study of Biological Communities in the Scioto River as Indices of Water Quality. 1971
Study of Phosphate Induced Algal Growth in Order to Suppress or Eliminate this Phenomenon. 1972
Study of Precision and Accuracy of Laboratories Aim Methods of Analysis of Ammonia Nitrogen in Lake Michigan Waters. 1966
Study of the composition, growth and distribution of aquatic macrophytes in fourteen lakes and bays of King County 1977
Study of the Physical, Chemical and Biological Nature of Water Quality Under Utah Conditions. 1971
Study of water quality parameters : Appendix C (Supplemental volume) Reduced Scale Pesticide Study. 1968
Study of water quality parameters. 1968
Study of Water-Soluble Inhibitory Compounds (Algicides) Produced by Fresh-Water Algae. 1973
Sturgeons and Paddlefish of North America [electronic resource] / 2005
Sublethal effects of toxaphene on daphnids, scuds, and midges / 1980
Sublethal effects of toxic chemicals on aquatic animals proceedings of the Swedish-Netherlands Symposium, Wageningen, The Netherlands, September 2-5, 1975 / 1975
Sublethal effects of toxicants on organisms : a modeling approach with dynamic energy budgets : final technical summary : final technical report / 2001
Sublethal Metabolic Responses of the Hermatypic Coral Madracis decactis Exposed to Drilling Mud Enriched with Ferrochrome Lignosulfonate. 1981
Sublethal Narcosis and Population Persistence: A Modeling Study on Growth Effects. 1993
Submerged aquatic vegetation : distribution and abundance in the lower Chesapeake Bay and the interactive effects of light, epiphytes, and grazers / 1983
Submerged aquatic vegetation : distribution and abundance in the lower Chesapeake Bay and the interactive effects of light, epiphytes, and grazers / 1983
Submerged Aquatic Vegetation Distribution in Tributaries of Tampa Bay. 1995
Submerged Aquatic Vegetation in the Albemarle-Pamlico Estuarine System. 1989
Submerged aquatic vegetation in Upper Chesapeake Bay : studies related to possible causes of the recent decline in abundance / 1984
Submerged aquatic vegetation in Upper Chesapeake Bay : studies related to possible causes of the recent decline in abundance / 1984
Submerged aquatic vegetation in Upper Chesapeake Bay studies related to possible causes of the recent decline in abundance : final report / 1983
Submerged aquatic vegetation policy for the Chesapeake Bay and tidal tributaries : an Agreement Commitment Report from the Chesapeake Executive Council. 1989
Submersed aquatic plants of the tidal Potomac River 1983
Submersed littoral vegetation distribution : field quantification and experimental analysis of sediment types from Onondaga Lake, New York / 1993
Substitute chemical program, the first year of progress : proceedings of a symposium / 1975
Subtidal and intertidal habitats of the North Coast of Waiheke Island, Hauraki Gulf, 2013 / 2013
Sulfide to Sulfate Reaction Mechanism. A Study of the Sulfide to Sulfate Reaction Mechanism as it Related to the Formation of Acid Mine Waters. 1970
Sulfur Budget of Lake Shelbyville, Illinois, and the Effects of Sulfides Upon 'Chaoborus'. 1973
Summary findings Calvert Cliffs Nuclear Power Plant Aquatic Monitoring Program / 1980
Summary of a Water Quality Survey, Greeley, Colorado. November 16-19, 1971. 1971
Summary of available information on Chesapeake Bay submerged vegetation / 1978
Summary of biological assessment programs and biocriteria development for states, tribes, territories, and interstate commissions : streams and wadeable rivers / 2002
Summary of current findings : Calvert Cliffs nuclear power plant aquatic monitoring program 1977
Summary of fish habitat/water quality since the Silver fire of 1987 / 1996
Summary of recent technical information concerning thermal discharges into Lake Michigan / 1972
Summary of state biological assessment programs for streams and rivers. 1996
Summary of the US Army Corps of Engineers/US Environmental Protection Agency Field Verification Program 1988
Summary of Water Quality Standards for Interstate Waters of the Commonwealth of Pennsylvania. 1971
Summary Report of the EPA/AWPI Arsenic and Chromium Roundtable. Held in New Orleans, Louisiana on June 18, 1996. 1997
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