Search Results for the EPA National Library Catalog

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Showing: Items 401 - 450
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Nutrient control by plant modification at El Lago, Texas / 1976
Nutrient Removal from Waste Water, 1970 Status. 1970
Off-gas analysis results and fine pore retrofit case history for Hartford, Connecticut 1994
Off-gas analysis results and fine pore retrofit information for Glastonbury, Connecticut 1994
Operating Experience and Design Criteria for UNOX Wastewater Treatment Systems. Prepared for Environmental Protection Agency Technology Transfer Program Design Seminar for Wastewater Treatment Facilities, February 29-March 1, 1972, New York. 1972
Operation and maintenance of publicly-owned treatment works (POTW's) : proceedings of the EPA National Conference, Chicago, Illinois, January 12-14, 1982 / 1983
Operational Control of the Activated Sludge Process. Return Sludge Flow Control. 1973
Operational control procedures for the activated sludge process / 1973
Operational control procedures for the activated sludge process / 1975
Operational Control Procedures for the Activated Sludge Process. Addendum No. 1 to the February 1975 Part 3-B. Calculation Procedures for Step-Feed Process Responses. 1975
Operational Control Procedures for the Activated Sludge Process. Part I - Observations. Part II - Control Tests. 1978
Operational Control Procedures for the Activated Sludge Process. Part III-B. Calculation Procedures for Step-Feed Process Responses. 1975
Operational results for the Piscataway model 5 mgd AWT plant / 1978
Operational Stability of the Extended Aeration Process. 1971
Operations and Maintenance Study, Valdosta, Georgia Sewage Treatment Plant. 1972
Operations manual : sludge handling and conditioning / 1978
Optimal Conditioning Procedures for Waste Activated Sludge Disposal. 1972
Optimal procedures for the processing of waste activated sludge 1973
Optimal Procedures for the Processing of Waste Activated Sludge. 1973
Optimization and design of an oil activated sludge concentration process / 1974
Optimizing a petrochemical waste bio-oxidation system through automation / 1975
Organic Chemical Fate Prediction in Activated Sludge Treatment Processes. 1985
Organic nutrient factors effecting algal growths / 1973
Oxidation ditch treatment of meatpacking wastes / 1979
Oxidation ditch treatment of meatpacking wastes / 1979
Oxidative Treatment of Industrial Wastewater. 1977
Oxygen activated-sludge wastewater treatment systems; design criteria and operating experience. 1973
Oxygen aeration at Newtown Creek / 1979
Oxygen consumption in continuous biological culture / 1971
Oxygen consumption in continuous biological culture. 1971
Oxygen transfer efficiency surveys at the Jones Island TreatmentPlants, 1985 - 1988 1994
Oxygen transfer efficiency surveys at the South Shore Wastewater Treatment Plant 1994
Oxygen transfer studies at the Madison Metropolitan Sewerage District Facilities 1994
Oxygen utilization in activated sludge plants : simulation and model calibration / 1989
Oxygen utilization in activated sludge plants : simulation and model callibration / 1988
Oxygen-activated sludge plant completes two years of successful operation / 1977
Ozone for industrial water and wastewater treatment : an annotated bibliography / 1980
Package Sewage Treatment Plants Criteria Development. Part II: Contact Stabilization. 1968
Package treatment plants : operations manual. 1977
Packinghouse Waste Treatment. 1970
Parallel Evaluation of Air- and Oxygen-Activated Sludge. 1981
Parallel evaluation of air-and oxygen-activated sludge / 1981
Parallel evaluation of constant and diurnal flow treatment systems / 1978
Pathogen and Indicator Organism Destruction by the Dual Digestion System. 1986
Performance evaluation of an oxidation ditch treating dairy wastewater / 1979
Performance of Activated Sludge Processes: Reliability, Stability and Variability. 1981
Performance of Activated Sludge-Powdered Activated Carbon-Wet Air Regeneration Systems. 1990
Perspective on Performance Variability in Municipal Wastewater Treatment Facilities. 1986
Phosphate Removal at Fort Worth, Texas. 1968
Phosphate removal by activated sludge : amenability studies at Baltimore, Maryland / 1968
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