Search Results for the EPA National Library Catalog

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A dynamic river basin water quality model / 1991
A water quality modelling study of the Delaware Estuary / 1978
Accomplishment Plan. Region VIII. Red River of the North Basin. 1972
Acid Mine Pollution Effects on Lake Biology. 1971
Acquisition and Analysis of Groundwater/Aquifer Samples: Current Technology and the Trade off between Quality Assurance and Practical Considerations. 1990
Acute Toxicity of Ammonia to Fathead Minnows. 1983
Advanced automatic control strategies for the activated sludge treatment process, 1975
Aeration Equipment Evaluation. Phase 1. Clean Water Test Results. 1988
Aeration of Natural Waters: A Bibliography. 1973
Aerobic stabilization of waste activated sludge : an experimental investigation / 1975
Alsterberg (AZID) Modification of the Winkler Method for the Determination of the BOD of Incinerator Quench Water and the Calibration of the Weston and Stack DO Analyzer Model 300-B. 1970
Ambient aquatic life water quality criteria for dissolved oxygen : (freshwater) / 1986
Ambient aquatic life water quality criteria for dissolved oxygen : (freshwater) / 1986
Ammonia toxicity / 1976
Ammonia toxicity / 1976
An approach to water resources evaluation of non-point silvicultural sources : (a procedural handbook) / 1980
An approach to water resources evaluation of non-point silvicultural sources : (a procedural handbook) / 1980
Anaerobic Biodegradation Procedure with Cover Letter. 1983
Analysis of nonpoint-source pollutants in the Missouri Basin Region / 1975
Analysis of the Dissolved Oxygen Regimen in the San Joaquin River Estuary Near Stockton, California by the Central Pacific River Basins Project. 1968
Analysis of the Relationship Between Stream Water Quality and Regional Income Generated by Water-Oriented Recreations. 1971
Analysis of Thermal Pollution Dispersion. 1972
Annual Phytoplankton Metabolism in Narragansett Bay Calculated from Survey Field Measurements and Microcosm Oberservations. 1982
Annual Review of Literature on Water Pollution (1954). 1955
Appendix to Entrainment at a Once-Through Cooling System on Western Lake Erie. Volume II. Appendices. 1978
Applicability of land treatment of wastewater in the Great Lakes area basin : impact of wastewater diversion, spray irrigation on water quality in the Muskegon County, Michigan, lakes / 1979
Applicability of Microbial Toxicity Assays to Assessment Problems. 1983
Application of aut²-qual modelling system to the Patuxent River basin / 1973
Application of Biological Monitoring Systems to Simulated Industrial Waste Discharge Situation. 1972
Aquatic-Biotic Community Structure as an Indicator of Pollution. 1972
Assessment of 1977 water quality conditions in the upper Potomac estuary / 1978
Assessment of 1978 water quality conditions in the upper Potomac estuary / 1980
Assessment of energy resource development impact on water quality : the San Juan Basin / 1979
Automated In Situ Water Quality Sensor Workshop, February 14-16, 1978 : [proceedings] / 1978
Bay Barometer Series, April 1987-March 1989. 1989
Before and after case studies: Comparisons of water quality following municipal treatment plant improvements [microform] / 1984
Benthic Invertebrates and Data Reporting Chemical, Physical and Chlorophyll Concentrations of the Klamath, Smith, and Trinity River Systems California. 1969
Benthic Survey of Flat Creek and the Salt River Near Thayne, Wyoming. 1973
Biochemical studies of the Potomac estuary--summer 1978 / 1979
Biodegradation Modeling at Aviation Fuel Spill Site. 1988
Biological and Chemical Observations in Mumford and Palmer Coves (Groton, Conn.). 1971
Biological Effects of Oil Pollution. Selected Bibliography II. 1972
Biological Survey of Wilson Reservoir - Saline River, Kansas, August 1970. 1971
Biological treatment of wastes from corn wet milling industry / 1978
Biologically mediated corrosion and water quality deterioration in distribution systems / 1984
BOD5/DO Ratio. A New Analytical Tool for Water Quality Evaluation. 1960
Carbon, nitrogen, and phosphorus removal in staged nitrification-denitrification treatment / 1975
Characteristics and Kinetics of Biological Fixed Film Reactors. 1970
Characterization of Spatial and Temporal Trends in Water Quality in Puget Sound. 1988
Characterization of stream reaeration capacity / 1972
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