Search Results for the EPA National Library Catalog

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Demonstration and Evaluation of the CAPTOR Process for Sewage Treatment. 1988
Demonstration physical chemical sewage treatment plant utilizing biological nitrification / 1981
Demonstration Physical Chemical Sewage Treatment Plant Utilizing Biological Nitrification. 1981
Denitrification as affected by irrigation frequency of a field soil / 1980
Denitrification by anaerobic filters and ponds / 1971
Denitrification by anaerobic filters and ponds : phase II / 1972
Denitrification by anaerobic filters and ponds, phase II / 1971
Denitrification by anaerobic filters and ponds. 1971
Design Guides for Biological Wastewater Treatment Processes. 1971
Design information on rotating biological contactors / 1984
Design information on rotating biological contactors {microform} / 1984
Design parameters for animal waste treatment systems / 1974
Design parameters for animal waste treatment systems : nitrogen control / 1976
Determination of the design parameters for a 30 MGD two stage nitrification plant 1976
Development and Demonstration of Nutrient Removal from Animal Wastes. 1973
Development document for effluent limitations guidelines and new source performance standards for the basic fertilizer chemicals segment of the fertilizer manufacturing point source category / 1974
Development document for effluent limitations guidelines and new source performance standards for the basic fertilizer chemicals segment of the fertilizer manufacturing point source category. 1974
Development document for effluent limitations guidelines and new source performance standards for the renderer segment of the meat products and rendering processing point source category. 1975
Developments at Ninth International Conference on Water Pollution Research Held at Stockholm, Sweden on June 12-16, 1978. 1978
Developments at Tenth International Conference on Water Pollution Research Held at Toronto, Canada on June 23-27, 1980. 1981
Developments at Twelfth International Conference on Water Pollution Research, Amsterdam, the Netherlands, September 17-21, 1984 / 1986
Digital computer control of advanced waste treatment systems / 1977
Dilute solution reactions of the nitrate ion as applied to water reclamation / 1968
Dissimilatory nitrate reduction by Corynebacterium nephridii 1974
Distribution of autotrophic nitrifying bacteria in a polluted stream 1974
Distribution of Autotrophic Nitrifying Bacteria in a Polluted Stream. 1974
DO Model Uncertainty with Correlated Inputs. 1990
Dynamic model of nitrification for the activated sludge process 1973
Dynamic model of nitrification-denitrification in the activated sludge system with powdered activated carbon 1977
Economic Impact of a Proposed Change in the Ammonia Effluent Standards, R77-6. 1977
Effect of Chemicals on Soil Nitrifying Populations Using a Continuous-Flow Culture Technique. 1989
Effect of nitrification on corrosion in the distribution system / 2010
Effect of Simulated Acid Precipitation on Nitrogen Mineralization and Nitrification in Forest Soils. 1984
Effect of Simulated Acid Rain on Nitrification and Nitrogen Mineralization in Forest Soils. 1981
Effect of the Quantity and Duration of Application of Simulated Acid Precipitation on Nitrogen Mineralization and Nitrification in a Forest Soil. 1986
Effects of Acid Precipitation on Microbiological and Chemical Parameters in Soils: The Florida Experience. 1983
Effects of Nitrogen Source on Crude Oil Biodegradation. 1994
Effects of sludge irrigation on three Pacific Northwest forest soils / 1980
Effluent Ammonia Variability from Nitrification Facilities. 1984
Emerging Technology: Biological Aerated Filter: A Promising Biological Process 1983
Emission rates for biogenic NOx 1978
Emission Rates for Biogenic NOX. 1977
Engineering and design : design of wastewater treatment facilities major systems. {microform} 1978
Environmental Impact of Land Use on Water Quality: Final Report on the Black Creek Project - Phase 2 1981
Estimates of sediment denitrification and its influence on the fate of nitrogen in Chesapeake Bay / 1987
Eutrophication of surface waters : Lake Tahoe's Indian Creek Reservoir / 1975
Evaluation of Extended Aeration Treatment at Recreation Areas. 1970
Evaluation of nitrification in the water column of the Passaic River : final technical completion report / 1977
Evaluation of pollution control processes : Upper Thompson Sanitation District / 1980
Evaluation of the Effectiveness of Tertiary Filtration Process in Removing Toxics and Conventional Pollutants. 1987
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