Search Results for the EPA National Library Catalog

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Select Item Title Year Published
Ecology of Sphaerotilus in Activated Sludge. 1967
Economics of Consolidating Sewage Treatment Plants by Means of Interceptor Sewers and Force Mains. 1971
Effect of aeration basin configuration on bulking at low organic loading / 1982
Effect of an Activated Sludge Wastewater Treatment Plant on Ambient Air Densities of Aerosols Containing Bacteria and Viruses. 1985
Effect of Carbon to Nitrogen Ratio on Activated Sludge Subsidence and Dewatering Characteristics. 1974
Effect of hazardous material spills on biological treatment processes / 1977
Effect of Organic Amendments from Garbage Grinding on a Biological Treatment System. 1972
Effect of powered activated carbon in a petroleum refinery activated sludge system / 1982
Effect of pretreatment on the filtration of low turbidity secondary effluent / 1980
Effect of recycling thermophilic sludge on the activated sludge process / 1990
Effect of surface groups on adsorption of pollutants / 1970
Effects of flow equalization on the operation and performance of an activated sludge plant / 1977
Effects of water-treatment-plant wastes on domestic wastewater treatment processes 1977
Effects on toxicity of volatile priority pollutants added to a conventional wastewater treatment system / 1983
Effects on toxicity of volatile priority pollutants added to a conventional wastewater treatment system : project summary / 1983
Efficacy of the Complete Mix Activated Sludge Process in Modular Mode. 1972
Efficient Pricing for Urban Waste Water Renovation. 1973
Egg breaking and processing waste control and treatment / 1975
Electrical Power Consumption for Municipal Waste-water Treatment. 1973
Electrical Stimulation of Microbial Waste Treatment. 1973
Electron Microscope Study of Colloids in Waste Water. 1967
Emerging technology assessment of PhoStrip, A/O, and Bardenpho processes for biological phosphorus removal. 1985
Engineering assessment of vermicomposting municipal wastewater sludges / 1981
Environmental assessment of regulatory strategies for confined animal feeding operations in Idaho. 1985
Environmental Factors in Design and Operation of Waste Water Sludge Drying Beds. 1971
Environmental Protection Agency (EPA) Research and Development Activities with Oxygen Aeration. 1972
EPA experiences in oxygen-activated sludge / 1973
EPA experiences in oxygen-activated sludge / 1974
EPA guide for identifying cleanup alternatives at hazardous-waste sites and spills : biological treatment / 1985
Evaluation and documentation of mechanical reliability of conventional wastewater treatment plant components / 1982
Evaluation and upgrading of a multi-stage trickling filter facility / 1976
Evaluation of a Dissolved Oxygen Field Test Protocol. 1983
Evaluation of Activated Biofiltration and Activated Biofiltration/Activated Sludge Technologies. 1987
Evaluation of an activated sludge secondary clarifier distributed inlet / 1987
Evaluation of an extended aeration process for Skokomish salmon processing wastewater treatment / 1979
Evaluation of conditioning and dewatering sewage sludge by freezing / 1971
Evaluation of Extended Aeration Treatment at Recreation Areas. 1970
Evaluation of Fine-Bubble Alpha Factors in Near Full-Scale Equipment. 1985
Evaluation of flow equalization at a small wastewater treatment plant / 1976
Evaluation of flow equalization in municipal wastewater treatment / 1979
Evaluation of pollution control processes : Upper Thompson Sanitation District / 1980
Evaluation of recent approaches for the design of biological waste treatment, 1972
Evaluation of Sorption Isotherms for Selected Azo Dyes as Predictors of Fate in an Activated Sludge Wastewater Treatment Process. 1988
Evaluation of the potential for air stripping of hydrocarbons during activated sludge wastewater treatment 1979
Evaluation of the Two-Zone Wastewater Treatment Process at Norristown, Pennsylvania. 1987
Evaluation of Treatment for Urban Waste Water Reuse. 1973
Evaluation of waste citrus activated sludge in poultry feeds / 1982
Evaluation of waste citrus activated sludge in poultry feeds {microform} / 1982
Evaluation of Wastewater Treatment Plants for BNR Retrofits Using Advances in Technology. 1999
Examination of secondary clarifier design and performance in the pulp and paper industry 1986
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