Search Results for the EPA National Library Catalog

Items Found: 377
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Chloroalkyl ethers : ambient water quality criteria. 1979
Chromium : ambient water quality criteria. 1979
Colorado River Basin Water Quality Control Project. Program Review. Washington, D. C. January 20-21, 1964. 1964
Comparative Study of Standing Crops and of Phosphorus and Nitrogen Contents of Four Macrophyte Stream Communities. 1971
Control of Spillage of Hazardous Polluting Substances. 1970
Copper : ambient water quality criteria. 1978
Criteria document for PCBs / 1976
Cyanides : ambient water quality criteria. 1978
DDT in Water. A Bibliography. 1971
Demonstration of the limitations and effects of waste disposal on an ocean shelf / 1968
Detergents in Water. A Bibliography. 1971
Diatom Populations Changes in Lake George (NY). 1972
Dichlorobenzidine : ambient water quality criteria. 1978
Dichloropropanes/dichloropropenes : ambient water quality criteria / 1978
Dinitrotoluene : ambient water quality criteria. 1979
Diphenylhydrazine : ambient water quality criteria. 1978
Distribution of phytoplankton in Indiana lakes / 1978
Distributional ecology and behavioral thermo-regulation of fishes in relation to heated effluent from a steam-electric power plant (Lake Monona Wisconsin) / 1972
Drinking Water Criteria Document for Picloram. 1990
Ecologic Impact of the Interactions Among Microorganisms and Aquatic Contaminants in Lake Erie. Phase III. Parts 5, 6, and 7. 1973
Ecological Evaluation of Stream Eutrophication. 1973
Ecosystematic Study of the South River, Virginia. 1972
Ecotox Database (AQUIRE, PHYTOTOX, and TERRETOX) (Non-VMS Data) (on Magnetic Tape). 1996
Ecotox Database (AQUIRE, PHYTOTOX, and TERRETOX) (Non-VMS Data) (on Magnetic Tape). (Reannoucement with New Abstract). 1996
Ecotox Database (AQUIRE, PHYTOTOX, and TERRETOX) (VMS Data and Programs) (on Magnegtic Tape). 1996
Effect of a Power Plant on the Distribution and Abundance of Zooplankton Near the Plant's Thermal Outfall. 1972
Effect, Uptake and Disposition of Nitrobenzene in Several Terrestrial Plants. 1990
Effects and Uptake of Chlorinated Naphthalenes in Marine Unicellular Algae. 1977
Effects of a Hexachlorobiphenyl and Pentachlorophenol on Growth and Photosynthesis of Phytoplankton. 1982
Effects of Acid Rain on Apple Tree Productivity and Fruit Quality. 1983
Effects of Atrazine on 'Zostera marina' in Chesapeake Bay, Virginia. 1982
Effects of Atrazine on Periphyton Communities in Controlled Laboratory Ecosystems. 1985
Effects of Chlorendic Acid, A Priority Toxic Substances, on Laboratory Aquatic Ecosystems. 1983
Effects of Detergent Polluted Water on Soil Reaction and Plant Growth. 1972
Effects of Divalent Metal Chlorides on Respiration and Extractable Enzymatic Activities of Douglas-Fir Needle Litter. 1979
Effects of Enrichment on Lake Superior Periphyton. 1973
Effects of forest fertilization with urea on major biological components of small cascade streams, Oregon / 1979
Effects of Heated Waste Waters on Some Microorganisms. 1972
Effects of Heated Waste Waters Upon Microbial Communities. 1971
Effects of Industrial Effluents on Primary Phytoplankton Indicators. 1973
Effects of Pentachlorophenol on Periphyton Communities in Outdoor Experimental Streams. 1986
Effects of pesticides in water : a report to the States. 1972
Effects of phosphorus loading on phytoplankton distribution and certain aspects of cytology in Saginaw Bay, Lake Huron / 1983
Effects of Pollution on Aquatic Life Resources of the South Platte River Basin in Colorado. 1967
Effects of Pollution on Biota of the Pigeon River, North Carolina and Tennessee. 1966
Effects of Pollution on Freshwater Organisms. 1984
Effects of Pollution on Freshwater Organisms. Fate and Effects of Pollutants. 1986
Effects of selected inorganic coal-gasification constituents on aquatic life an annotated bibliography / 1983
Effects of selected wastewater chlorination products and captan on marine algae / 1977
Effects of Simulated Acidic Rain Applied Alone and in Combination with Ambient Rain on Growth and Yield of Field-Grown Snap Bean. 1984
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