Search Results for the EPA National Library Catalog

Items Found: 491
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Characterizing the Chesapeake Bay Ecosystem and Lessons Learned. 1987
Chemical analyses for water pollutants : training manual / 1976
Chemical Analyses for Water Quality. Training Manual. 1973
Chena River, The Study of a Subarctic Stream. 1970
Chesakeake Bay: A Profile of Environmental Change. 1983
Chesapeake Bay baseline data acquisition : hydrologic modifications : [Appendix VIII / 1978
Chesapeake Bay Baseline Data Acquisition. Appendix IV. Eutrophication. 1978
Chesapeake Bay citizen monitoring program report Conestoga River : (October 1986 - June 1990). 1992
Chesapeake Bay Citizen Monitoring Program Report. Appendix 2. Data Listing by Site. July 1985-October 1988. 1989
Chesapeake Bay program technical studies : a synthesis / 1982
Choices for the Chesapeake: An Action Agenda. 1983 Chesapeake Bay Conference Report. 1984
Clark Fork River Study, Montana : July-August, 1973 / 1974
Colloidal-facilitated transport of inorganic contaminants in ground water. Part I, Sampling considerations / 1990
Columbia River nutrient study, 1972 / 1975
Combined Effect of Thermal and Organic Pollution on Oxygen Sag Curve. 1973
Comparative Limnology and Biota of Mine Spoils Ponds in Colorado (Journal Version). 1982
Components of Oxygenation in Flowing Streams. 1967
Computation and Graphical Display of the NSF Water Quality Index from the STORET Data Base Using the Integrated Plotting Package. Program Documentation and Users Guide, 2nd Edition. 1978
Computation and Graphical Display of the Water Quality Index from the STORET Data Base Using the Integrated Plotting Package 2nd Edition. 1978
Computer Simulation of Eutrophication. 1973
Computerized Ecosystem. 1978
Container Corporation of America Brewton Mill Conecuh-Escambia River Basin Study II. 1971
Control of Benthic Deposits in Lakes. 1971
Control of mercury contamination in freshwater sediments / 1972
Control schemes for the activated-sludge / 1974
Converting rock trickling filters to plastic media : design and performance / 1980
Correlated Studies of Vancouver Lake - Water Quality Prediction Study. 1972
Correlated studies of Vancouver Lake-water quality prediction study / 1972
Corrosion and Calcium Carbonate Saturation Index in Water Distribution Systems. 1985
Cretaceous Ponds, a Unique Area on Staten Island, New York. 1976
Critical Review of Currently Available Water Quality Models. 1973
Cumberland River Study. 1972
De minimis discharges study : report to Congress / 1991
Delaware Estuary Comprehensive Study. Technical Report Number 4. Mathematical Model for Dissolved Oxygen. 1966
Design and construction of a saltwater environment simulator / 1970
Design and Simulation of Equalization Basins 1973
Design procedures for dissolved oxygen control of activated sludge processes / 1977
Detailed Instructions for the Performance of the Dissolved Oxygen and Biochemical Oxygen Demand Tests. 1931
Determination of Dissolved Oxygen by the Rideal Stewart and Alsterberg Modifications of the Winkler Method. 1965
Determination of molecular hydrogen sulfide / 1975
Determination, Assessment, and Design of 'In-Stream Value' Studies for the Northern Great Plains Region. 1974
Determining the Relationship between Water Quality and Ulcerative Mycosis in Atlantic Menhaden. 1993
Developing a Hydro-Quality Simulation Model. 1970
Development of a Froth Process for the Treatment of Sour Water. 1970
Development of a helicopter water quality monitoring/sampling system / 1981
Development of a Mathematical Water Quality Model for Grays Harbor and the Chehalis River, Washington. 1974
Development of criteria for fine sediment in the northern Rockies ecoregion : final report / 1987
Development of Dissolved Oxygen Criteria for Freshwater Fish. 1973
Development of dissolved oxygen probe cleaning apparatus 1967
Development of Methods to Define Water Quality Effects of Urban Runoff. 1983
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