Search Results for the EPA National Library Catalog

Items Found: 814
Showing: Items 101 - 150
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Select Item Title Year Published
Bottom sediments and nutrients in the tidal Potomac system, Maryland and Virginia / 1988
Buffer capacities of freshwater lakes sensitive to acidic rain and the leaching of toxic metals from their sediments : final technical completion report / 1984
By-Products of Clorination: Specific Compounds and Their Relationship to Total Organic Halogen. 1985
Calcium, sodium, sulfate, and chloride in stream water of the western conterminous United States to 1957 1965
Carbaryl, Propham and Chlorpropham: A Comparison of the Rates of Hydrolysis and Photolysis with the Rate of Biolysis. 1978
Carbonate chemistry of aquatic systems / 1976
Cation Adsorption and Desorption Rates in Natural Water Studies. 1973
Changes in Conductivity, Alkalinity, Calcium, and pH during a 50-Year Period in Selected Northern Wisconsin Lakes. 1989
Changes in streamflow and summary of major-ion chemistry and loads in the North Fork Red River basin upstream from Lake Altus, northwestern Texas and western Oklahoma, 1945-1999 2003
Changes in Streamflow and Water Quality in Selected Nontidal Basins in the Chesapeake Bay Watershed, 1985-2004. 2006
Changes in Streamflow and Water Quality in Selected Nontidal Sites in the Chesapeake Bay Basin, 1985-2003. 2004
Changes in the Zooplankton Community in Response to Reductions in Nutrient Loading to Saginaw Bay (Lake Huron). 1983
Characterization of the pH buffering systems in dilute Adirondack surface waters : research project technical completion report / 1979
Checklist for Describing and Documenting Diatom and Chrysophyte Calibration Data Sets and Equations for Inferring Water Chemistry. 1990
Chemical analyses of water samples from the Picher mining area, northeast Oklahoma and southeast Kansas / 1987
Chemical and Biological Character of Rio Grande Water in the Bosque Del Apache Wildlife Refuge. 1973
Chemical and Biotic Characteristics of Two Low-Alkalinity Lakes in Northern Wisconsin: Relation to Atmospheric Deposition. 1993
Chemical and isotopic groundwater hydrology / 2004
Chemical and isotopic groundwater hydrology : the applied approach / 1997
Chemical and photochemical transformation of selected pesticides in aquatic systems / 1976
Chemical and physical characteristics of water and sediment in Scofield Reservoir, Carbon County, Utah / 1985
Chemical character of water in the Red River alluvial aquifer, Louisiana / 1980
Chemical characteristics of New Mexico's thermal waters--a critique, 1965
Chemical characteristics of prairie lakes in south-central North Dakota : their potential for influencing use by fish and wildlife / 1988
Chemical characteristics of streams in the Mid-Atlantic and Southeastern United States : (results of the National Stream Survey : phase 1). 1988
Chemical characterization of dissolved organic matter and its influence on the chemistry of river water, 1972
Chemical constituents in water from selected sources in Nassau and Suffolk counties, Long Island, New York 1973
Chemical dynamics in fresh water ecosystems / 1992
Chemical Effects of Red Clays on Western Lake Superior. 1979
Chemical interactions in a eutrophic lake 1976
Chemical Interactions of Dissolved Silica with Iron (II) and (III). 1968
Chemical kinetics and process dynamics in aquatic systems / 1994
Chemical modeling of aqueous systems II : developed from a symposium sponsored by the Division of Geochemistry at the 196th National Meeting of the American Chemical Society, Los Angeles, California, September 25-30, 1988 / 1990
Chemical nature and physical properties of color-causing organic substances in natural waters and a study of their coagulation with aluminum (III) and iron (III) salts. / 1967
Chemical processes in lakes / 1985
Chemical processes in waste water treatment 1987
Chemical quality of agricultural drainage water tributary to Kesterson Reservoir, Fresno and Merced counties, California, January and August 1984 / 1989
Chemical quality of ground water in the western Oswego River basin, New York : prepared for Cayuga Lake Basin and Wa-Ont-Ya Basin Regional Water Resources Planning Boards 1975
Chemical quality of irrigation waters in Ford County and the Great Bend Prairie of Kansas 1978
Chemical quality of irrigation waters in Hamilton, Kearny, Finney, and northern Gray Counties 1977
Chemical quality of irrigation waters in southwestern Kansas 1978
Chemical Quality of Surface and Sediment Pore Water in Louisiana and Mississippi Estuaries. 1973
Chemical quality of surface water in the Eastern Oswego River basin, New York, prepared for the Eastern Oswego Basin Regional Water Resources Planning Board, 1973
Chemical Responses by Marine Organisms to Stress. Stress in Hard Clams from a Polluted Estuary. 1971
Chemical surveys of North Cascade lakes : results of 1984 sampling / 1985
Chemical translator guidance manual 1994
Chemical, geologic, and hydrologic data from the study of acidic contamination in the Miami Wash-Pinal Creek area, Arizona, water years 1984-87 1989
Chemicals in the aquatic environment : advanced hazard assessment / 1989
Chemistry and age of ground water in the southwestern Hueco Bolson, New Mexico and Texas / 2003
Chemistry and geothermal systems 1977
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