Search Results for the EPA National Library Catalog

Items Found: 1224
Showing: Items 251 - 300
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Cumberland River Study. 1972
Current methodology for the control of algae in surface reservoirs / 1987
Current Status and Historical Trends of Brown Tide and Red Tide Phytoplankton in the Corpus Christi Bay National Estuary Study Area. 1996
Current Status and Historical Trends of the Estuarine Living Resources within the Corpus Christi Bay National Estuary Program Study Area. Volume 4. Checklist of Species within the CCBNEP Study Area: References, Habitats, Distribution, and Abundance. 1996
Cyanophyta. 1959
DDT in Water. A Bibliography. 1971
De minimis discharges study : report to Congress / 1991
Deactivation Products of Glutaraldehyde: A 5-Day Toxicity Test with the Freshwater Alga (Selenastrum Capricornutum), with Cover Letter dated 11/25/1997. 1997
Degradation of pesticides by algae / 1976
Delayed Contact Hypersensitivity Study in Guinea Pigs (Buehler Technique) with Acetaldehyde, (2,3,3-Trimethyl Cyclopent-3-EN-1YL), with Cover Letter dated 12/12/1997. 1997
Demonstrate Feasibility of the Use of Ultrasonic Filtration in Treating the Overflows from Combines and/or Storm Sewers. 1967
Demonstrating the Effects of Nutrients in Bio-Oxidation Pond Receiving Streams. 1971
Demonstration and Transfer of Selected New Technologies for Animal Waste Pollution Control. 2009
Design of field experiments to determine the ecological effects of petroleum in intertidal ecosystems / 1978
Detection of Limiting or Surplus Nutrients in Algae. 1968
Determination of a Nitrogen-Phosphorus Budget for Bayou Texar, Pensacola, Florida. 1972
Determination of Bioactivity of Chemical Fractions of Liquid Wastes Using Freshwater and Saltwater Algae and Crustaceans. 1983
Determination of the Feasibility of Removal of Algal Nutrients in Lake Water by Ion Exchange. 1971
Development and Application of Biomonitoring Indicators for Floodplain Wetlands of the Upper Missouri River Basin 2002
Development and application of biomonitoring indicators for floodplain wetlands of the upper Missouri River Basin, North Dakota 2002
Development and Evaluation of Citizen Participation Techniques for Inland Lake and Shoreland Management. 1971
Development of a selective algaecide to control nuisance algal growth / 1973
Development of a selective algaecide to control nuisance algal growth / 1971
Development of a Selective Algaecide to Control Nuisance Algal Growth. 1973
Development of design criteria for waste stabilization ponds, 1957
Development of short-term exposure tests for marine macroalgae for use in effluent testing 1986
Development, Replicability and Modeling of Naturally Derived Microcosms. 1978
Developments at Twelfth International Conference on Water Pollution Research, Amsterdam, the Netherlands, September 17-21, 1984 / 1986
Diagenetic oxygen equivalents model of sediment oxygen demand / 1984
Diatom Populations Changes in Lake George (NY). 1972
Diatomes marines de France et des districts maritimes voisins / 1965
Diatoms: Powerful Indicators of Environmental Change. 1992
Die kieselalgen des Takernsees in Schweden 1932
Die Kieselalgen Deutschlands, 1962
Diets for 'Ceriodaphnia reticulata' Life Cycle Tests. 1983
Differential Phytoplankton Sinking- and Growth-Rates: An Eigenvalue Analysis. 1980
Dillon Reservoir - Blue River Study. Colorado, June, July, August - 1973. 1974
Distribution and Biotic Effects of Nutrients in Flathead Lake, Montana. 1975
Distribution of algae in Pennsylvania. 1977
Distribution of habitats and summer standing crop of seagrasses and macroalgae in Padilla Bay, Washington, 1989 / 1991
Distribution of phytoplankton in Alabama lakes / 1977
Distribution of phytoplankton in Arizona lakes / 1979
Distribution of phytoplankton in California lakes / 1979
Distribution of phytoplankton in Colorado lakes / 1979
Distribution of phytoplankton in Florida lakes / 1978
Distribution of phytoplankton in Idaho lakes / 1979
Distribution of phytoplankton in Maryland lakes / 1977
Distribution of phytoplankton in Mississippi lakes / 1977
Distribution of phytoplankton in Montana lakes / 1979
Distribution of phytoplankton in Nevada lakes / 1979
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