Search Results for the EPA National Library Catalog

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Select Item Title Year Published
Rotating Biological Contactors - Second Order Kinetics. 1982
Rotating biological contactors hydraulic versus organic loading / 1986
Rotating biological contactors. 1992
Rotating Biological Disk Wastewater Treatment Process. Pilot Plant Evaluation. 1974
Rum distillery slops treatment by anaerobic contact process / 1974
Safety Aspects of Oxygen Aeration Activated Sludge Systems. 1978
Safety Manual for Wastewater Treatment with Oxygen Aeration. 1978
Saginaw Bay: An Evaluation of Existing and Historical Conditions. 1974
Salinity and Oxygen Tolerances of Eggs and Larvae of Hawaiian Striped Mullet, 'Mugil cephalus L. 1975
Salton Sea, California. Water Quality and Ecological Management Considerations. 1970
Sample Type VII(Water-Oxygen Demand). 1960
Sampling/analytical method evaluation for ethylene oxide emission and control unit efficiency determinations / 1988
San Joaquin Estuary Near Stockton, Calif. An Analysis of the Dissolved Oxygen Regimen. 1968
Science Advisory Board Review of the Water Quality Criteria Document for Dissolved Oxygen. 1986
Scientific stream pollution analysis / 1974
Scofield Reservoir Restoration Through Phosphorus Control 1992
Screening study to determine need for SOx and hydrocarbon NSPS for FCC regenerators / 1976
Screening/Flotation Treatment of Combined Sewer Overflows. 1972
Seasonal characterization of dissolved oxygen concentrations in the northern Pawcatuck River estuary : final report to the Rhode Island Coastal Resources Management Council / 1993
Seasonal impact of blending oxygenated organics with gasoline on motor vehicle tailpipe and evaporative emissions / 1990
Secondary Treatment of Hog Waste in an Anaerobic Stabilization Pond. 1969
Section 74 seafood processing study : executive summary : a report to the congress of the United States / 1980
Sediment oxygen demand (SOD) study, Calcasieu River estuary, Lake Charles, Louisiana. 1984
Sediment oxygen demand : processes, modeling & measurement / 1986
Sediment Oxygen Demand Study of the Tongue River Reservoir Montana, March 9-11, 1976 1976
Sediment Quality Assessment Survey of the Galveston Bay System. 1993
Sediment Studies in Back River Estuary, Baltimore, Maryland. 1976
Selected biodegradation techniques for treatment and/or ultimate disposal of organic materials / 1979
Selection of Core Samples for Microcosm Studies of Natural Attenuation. 1997
Self-monitoring procedures : basic parameters for municipal effluents : staff guide / 1976
Self-monitoring procedures : basic parameters for municipal effluents : [student reference manual]. 1974
Self-monitoring procedures: basic parameters for municipal effluents - student reference manual. 1977
Separation of algal cells from wastewater lagoon effluents / 1978
Separation of algal cells from wastewater lagoon effluents. Volume 2. Effect of sand size on the performance of intermittent sand filters / 1979
Signal transduction by reactive oxygen and nitrogen species : pathways and chemical principles / 2003
Significance of Selected Physical and Chemical Variables in Benthic Macroinvertebrate Distribution in a Small Subarctic Stream. 1972
Simple Photometer for Precise Determination of Dissolved Oxygen Concentration by the Winkler Method with Recommendations for Improving Respiration Rate Measurements in Aquatic Organisms. 1981
Simplified injection of oxygen gas into an activated sludge process 1982
Simplified N.O.D. determination / 1979
Simulating unsteady transport of nitrogen, biochemical oxygen demand, and dissolved oxygen in the Chattahoochee River downstream from Atlanta, Georgia 1985
Simulation model for watershed management planning 1984
Simulation Modeling as a Means of Studying Large Aquatic Ecosystems. 1984
Simulation of Nitrogen Attenuation in a Subterranean Estuary, Representative of the Southern Coast of Cape Cod, Massachusetts. 2015
Simulation of Physical-Chemical Processes in the Upper Atmosphere. Part 6 - Reactions of Metastable Oxygen (1 delta G) and Oxygen (1 sigma Plus G) Molecules. 1970
Simulation of Respiration in Microbial Slime Films. 1973
Simulation of Stream Processes in a Model River. 1971
Simulation of water quality in streams and canals : theory and description of the QUAL-1 mathematical modeling system. / 1971
Single stage nitrification-denitrification / 1975
Singlet O 2 1985
Singlet Oxygen in Natural Waters. 1977
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