Search Results for the EPA National Library Catalog

Items Found: 1223
Showing: Items 401 - 450
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Enhancing the States' Lake Management Programs. Annual National Conference (22nd). Held in Chicago, Illinois on April 14-17, 2009. 2009
Entrainment at a once-through cooling system on western Lake Erie / 1978
Environmental Assessment of Buccaneer Gas and Oil Field in the Northwestern Gulf of Mexico, 1975-1980. Volume V. Hydrocarbons, Biocides and Sulfur. 1980
Environmental Assessment of Buccaneer Gas and Oil Field in the Northwestern Gulf of Mexico, 1978-1979. Volume V. Effects of Gas and Oil Field Structures and Effluents on Fouling Community Production and Function. 1980
Environmental control of nitrogen fixation in lakes : project completion report / 1974
Environmental Control of Nitrogen Fixation in Lakes: I. In situ Nitrogen Fixation by Free Living Blue-Green Algae. II. Nitrogen Fixation by the Duck-Weed-Algal Association. 1974
Environmental Impact of Land Use on Water Quality. 1977
Environmental Impact of Land Use on Water Quality: Final Report on the Black Creek Project - Phase 2 1981
Environmental protection : coordinated federal efforts are being undertaken to address harmful algae : report to Congressional committees / 1999
Environmental requirements and pollution tolerance of freshwater diatoms / 1974
Environmental requirements of blue-green algae; proceedings of a symposium jointly sponsored by University of Washington and Federal Water Pollution Control Administration, Pacific Northwest Water Laboratory, September 23-24, 1966. 1967
Environmental role of nitrogen-fixing blue-green algae and asymbiotic bacteria 1978
Environmental Tests on the Subject Substance on Three Ecotoxicity Reports for Fish, Daphnid and Algae with 1-Octanamine, N-N-dioctyl. 2013
Environmental Tests on the Subject Substance with Butane, 1,1-oxybis(3-methyl): Diisoamyl Ether: Isopentyl Ether: Diisopentyl Ether. 2013
Epikote 1001-x-75: Acute Toxicity (salmo Gairdneri, Daphnia Magna & Selenastrum Capricornutum) & N-octanol/water Partition Coefficient with Cover Letter dated 103086. 2000
Estimating biological process rate in a lake algae bloom via chemical analysis measurements 1973
Estimating toxicity of industrial chemicals to aquatic organisms using structure activity relationships / 1994
Estuarine Ecosystems and High Temperatures. 1972
Estuarine Pollution, A Bibliography. 1973
Estuarine response to nutrient enrichment, a counterpart of eutrophication : a bibliography / 1979
Estuarine response to nutrient enrichment, a counterpart of Eutrophication : an annotated bibliography / 1979
Estuarine Response to Nutrient Enrichment. A Counterpart of Eutrophication. Volume II. An Annotated Bibliography. 1979
Eutrophication / 1970
Eutrophication Analysis of Embayments in Prince William Sound, Alaska. 1993
Eutrophication and Water Pollution. 1966
Eutrophication Model of the White River Basin above Beaver Reservoir in Northwest Arkansas. 1973
Eutrophication of Lake Ray Hubbard, Dallas, Texas. 1978
Eutrophication of Small Reservoirs in the Great Plains. 1972
Eutrophication of Small Reservoirs in the Great Plains. 1972
Eutrophication of Surface Waters - Lake Tahoe: Laboratory and Pilot Pond Studies. 1969
Eutrophication of Surface Waters - Lake Tahoe: Pilot Pond and Field Studies. 1970
Eutrophication of surface waters : Lake Tahoe's Indian Creek Reservoir / 1975
Evaluation of Lake Milner water quality model 1975
Evaluation of Techniques for Algae Removal from Wastewater Stabilization Ponds. 1974
Evaluation of techniques for algae removal from wastewater stabilization ponds; review paper 1974
Evaluation of the algal assay procedure / 1976
Experiments and experiences in biomanipulation : studies of biological ways to reduce algal abundance and eliminate blue-greens / 1983
Experiments and experiences in biomanipulation : studies of biological ways to reduce algal abundance and eliminate blue-greens / 1982
EXPLORE-I: A River Basin Water Quality Model. 1973
Extended-Aeration Plants and Intermittent Watercourses. 1963
Extraction of Mercury from Groundwater Using Immobilized Algae. 1991
Factors affecting the algal assay procedure / 1975
Factors influencing metal accumulation by algae 1983
Factors influencing metal accumulation by algae {MICROFICHE} 1982
Factors Regulating the Growth of Algae Continuous Culture in Diluted Secondary Sewage Treatment Plant Effluent and Subsequent Biodegradability. 1972
Factors Regulating the Spatial and Temporal Distribution of 'Cladophora' and 'Ulothrix' in the Laurentian Great Lakes. 1983
Facultative Lagoon Effluent Polishing Using Phase Isolation Ponds. 1981
Fate and biological effects of mercury introduced into artificial streams / 1976
Fate of Nitrogen in Aquatic Ecosystems. 1972
Feeding Reduction, Reproductive Failure, and Mortality in 'Mytilus edulis' during the 1985 'Brown Tide' in Narragansett Bay, Rhode Island. 1988
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