Search Results for the EPA National Library Catalog

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Select Item Title Year Published
Activated Sludge Quality and Process Balance. 1995
Case histories : improved activated sludge plant performance by operations control / 1969
Comparison of the Relative Sensitivity of Three Benthic Invertebrates to Copper-Contaminated Sediments from the Keweenaw Waterway. 1993
Control of Waterborne 'Campylobacter jejuni' by Chlorine Disinfection. 1984
Determination of trace metals in natural waters 1988
Development and Evaluation of Test Methods for Benthic Invertebrates and Sediments: Effects of Flow Rate and Feeding on Water Quality and Exposure Conditions. 1993
Disposal of uranium-mill effluent by well injection in the Grants Area, Valencia County, New Mexico. 1972
Feasibility of ground-water features of the alternate plan for the Mountain Home project, Idaho 1957
Ground water for irrigation in part of the Fort Hall Indian Reservation, Idaho 1963
Ground-water hydrology of the Little Kanawha River basin, West Virginia 1980
Ground-water resources of the southern part of Jicarilla Apache Indian Reservation and adjacent areas, New Mexico 1967
Growing Plantation Forests [electronic resource] / 2006
Hydroxyl Free Radical Mediated Formation of 8-Hydroxyguanine in Isolated DNA (Journal Version). 1988
Increased 8-Hydroxyguanine Content of Chloroplast DNA from Ozone-Treated Plants. 1989
Influences of sulphate reducing bacteria on 137Cs sorption and their tolerances in nutrient depleted natural materials a preliminary study / 1986
Library an introduction for library assistants. 1967
Manufacture of sulfuric acid. 1959
Maryland agriculture and your watershed / 2001
Methods for improvement of trickling filter plant performance: part II : chemical addition. 1977
Mixing formulae for activated sludge characteristics / 1971
Operational Control of the Activated Sludge Process. Return Sludge Flow Control. 1973
Operational control procedures for the activated sludge process / 1975
Operational control procedures for the activated sludge process / 1973
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
Personal monitor for nitrogen dioxide / 1978
Portable Miniature Sampler for Potential Airborne Carcinogens in Microenvironments: Phase 2. Evaluation. 1981
Predicting the Acute Toxicity of Copper in Freshwater Sediments: Evaluation of the Role of Acid-Volatile Sulfide. 1993
Report of July 13 & 14, 1972 Investigation of the City of Sious Falls, South Dakota Municipal Wastewater Treatment Facility 1972
Report on pollution in the Lake Tahoe Basin, California-Nevada / 1966
Report on pollution in the Lake Tahoe Basin, California-Nevada / 1966
Report on Pollution of Interstate Waters of the Blackstone and Ten Mile Rivers, Massachusetts-Rhode Island. 1964
Report on Pollution of Interstate Waters of the Mouth of the Savannah River Georgia-South Carolina. 1964
Report on pollution of the Chattahoochee River : Alabama-Georgia / 1966
Report on Pollution of the Interstate Waters of the Menominee and Brule Rivers, Michigan-Wisconsin. 1963
Return sludge flow control / 1973
Seasonal Toxicity of Ammonia to Five Fish and Nine Invertebrate Species. 1987
Sewage treatment plant dependability : with special reference to the activated sludge process / 1971
Sewage Treatment Plant Dependability with Special Reference to the Activated Sludge Process. 1971
Solidification and stabilization of wastes using Portland cement 1991
Specific method for the determination of ozone in the atmosphere / 1972
Toxicity of Pentachlorophenol to Aquatic Organisms under Naturally Varying and Controlled Environmental Conditions. 1986
Tree and Forest Measurement [electronic resource] / 2009
Tree and Forest Measurement [electronic resource] / 2015
Updated summary of the operational control procedures for the activated sludge process 1978
Updated summary of the operational control procedures for the activated sludge process / 1978
Useful Information for Stream Pollution Surveys and Evaluation. 1966
Useful information for stream pollution surveys and evaluations / 1966
Watershed Planning in the Albermarle-Pamlico Estuarine System. Report 5 - Fishing Practices Mapping. 1992

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