Search Results for the EPA National Library Catalog

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Showing: Items 451 - 500
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Effects of Recent and Past Phosphate Fertilization on the Amount of Phosphorus Percolating Through Soil Profiles into Subsurface Waters. 1971
Effects of South Shore Drainage Basins and Clay Erosion on the Physical and Chemical Limnology of Western Lake Superior. 1972
Effects of sulfur dioxide and/or ozone on several oat varieties : 1975 annual report / 1976
Effects of Suspended Stilts and Clays on Self-Purification in Natural Waters: Protein Adsorption. 1972
Effects of the San Joaquin Master Drain on Water Quality of the San Francisco Bay and Delta. Appendix Part C. Nutrients and Biological Response. Central Pacific Basins Comprehensive Water Pollution Control Project. 1968
Effects of Thermal Loading and Water Quality on Estuarine Primary Production. 1971
Effects of Toxic Chemicals on Nutrient Cycling Processes in Soil. 1995
Effects of Urbanization and Stormwater Runoff on the Food Quality in Two Salmonid Streams. 1981
Effects of Waste Discharges on Water Quality of the South Platte River Denver Metropolitan Area. 1972
Efficacy of Commercial Inocula in Enhancing Biodegradation of Weathered Crude Oil Contaminating a Prince William Sound Beach. 1992
Effluent monitoring procedures, nutrients : student reference manual / 1976
Effluent Monitoring Procedures: Nutrients. Staff Guide for Conducting the Course. 1977
Elbow Lake, St. Louis County, Minnesota. 1974
Element flow in aquatic systems surrounding coal-fired power plants : Wisconsin power plant impact study / 1980
Elutriator/microcosm system : pilot model and test / 1977
Embarrass Lake, St. Louis County, Minnesota. 1974
Emerging Technology Assessment of Phostrip, A/O, and Bardenpho Processes for Biological Phosphorus Removal. 1985
Enemy Swim Lake, Day County, South Dakota. 1977
Enhanced bioremediation of BTEX using immobilized nutrients : field demonstration and monitoring / 1996
Enhancing the States' Lake Management Programs. Annual National Conference (22nd). Held in Chicago, Illinois on April 14-17, 2009. 2009
Enid Lake, Yalobusha County, Mississippi. 1975
Enteric Bacterial Degradation of Stream Detritus. 1971
Environmental Assessment of Buccaneer Gas and Oil Field in the Northwestern Gulf of Mexico, 1975-1980. Volume I. Investigations of Surficial Sediments, Suspended Particulates and Volatile Hydrocarbons at Buccaneer Gas and Oil Field. 1980
Environmental Assessment of Buccaneer Gas and Oil Field in the Northwestern Gulf of Mexico, 1978-1979. Volume II. Investigations of Surficial Sediments and Suspended Particulates at Buccaneer Field. 1980
Environmental Assessment of Buccaneer Gas and Oil Field in the Northwestern Gulf of Mexico, 1978-1979. Volume IX. Sources, Fate and Effects Modeling. 1980
Environmental Effects of Petrochemical Waste Discharges on Tallaboa and Guayanilla Bays, Puerto Rico. 1971
Environmental Factors Affecting Toluene Degradation in Ground Water at a Hazardous Waste Site. 1991
Environmental Impact and Benefits Assessment for Final Effluent Guidelines and Standards for the Construction and Development Category. 2009
Environmental Impact and Benefits Assessment for Proposed Effluent Guidelines and Standards for the Construction and Development Category. 2008
Environmental impact of land use on water quality : final report on the Black Creek Project (summary) / 1977
Environmental impact of land use on water quality. Black Creek Project, Allen County, Indiana / progress report : 1976
Environmental Impact of Land Use on Water Quality. Final Report on the Black Creek Project. Volume 2. Technical Report. 1977
Environmental impacts of stormwater discharges : a national profile. 1992
Environmental planning manual for salinity management in irrigated agriculture / 1979
Environmental requirements and pollution tolerance of common freshwater chironoidae / 1977
Environmental requirements and pollution tolerance of Ephemeroptera / 1978
Environmental requirements and pollution tolerance of freshwater diatoms / 1974
Environmental requirements and pollution tolerance of Plecoptera / 1978
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 Technology Verification (ETV) Testing of Two Nutrient Analyzers at an Industrial Plant: Shimadzu Scientific Instruments, Inc., TNPC-4110(C) and a ZAPS Technologies, Inc., Multi-Parameter (MP-1). 2005
Environmental Technology Verification Report: Shimadzu Scientific Instruments, Inc., TNPC-4110(C) On-Line Water Quality Analyzer for Nutrient Monitoring. 2005
EPA needs to better report Chesapeake Bay challenges : a summary report. 2008
ES001: Verification of Model for New York Harbor. 1973
Estes Lake, York County, Maine. 1974
Estimates of Total Nitrogen, Total Phosphorus, and Total Suspended Solids Loadings to Tampa Bay, Florida. 1994
Estimates of Total Nitrogen, Total Phosphorus, and Total Suspended Solids to Tampa Bay, Florida. Technical Appendix: 1992-1994 Total Nitrogen Loadings to Tampa Bay, Florida. 1996
Estimating Critical External Nitrogen Loads for the Tampa Bay Estuary: An Empirically Based Approach to Setting Management Targets. 1996
Estimating nutrient loadings of lakes from non-point sources / 1974
Estimating nutrient loadings of lakes from non-point sources / 1974
Estimation of Phytoplankton Decomposition Rates Using Two-Stage Continuous Flow Studies. 1983
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