Search Results for the EPA National Library Catalog

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UAF Radiorespirometric Protocol for Assessing Hydrocarbon Mineralization Potential in Environmental Samples. 1992
Ultimate disposal of beef feedlot wastes onto land / 1978
Ultimate Disposal of Phosphate from Waste Water by Recovery as Fertilizer. 1970
United States Great Lakes Tributary Loadings. 1978
United States plan for phosphorus load reductions to Lake Erie, Lake Ontario, and Saginaw Bay. 1986
United States Task Force plan for phosphorus load reductions from non-point, and point sources on Lake Erie, Lake Ontario, and Saginaw Bay / 1985
Unslaked lime, its direct use in phosphorus removal processes / 1980
Upper Snake Rock Watershed Management Plan-Modification. A Modification of Mid-Snake TMDL and Upper Snake Rock TDML to Account for the Aquaculture Wasteload Allocation. Part One: Fish Production Facilities and Conservation Hatcheries; Part Two: Fish Processors; and Part Three: Billingsley Creek Facilties. 2005
Uptake of Cadmium from Phosphate Fertilizers by Peas, Radishes, and Lettuce. 1978
Uptake, Translocation and Release of Phosphorus by 'Elodea densa'. 1984
Urban runoff treatment methods / 1977
Urgent Call to Action: Report of the State-EPA Nutrient Innovations Task Group. 2009
Urinary Excretion of Insecticide Metabolites, Excretion of Para-nitrophenol and DDA as Indicators of Exposure to Parathion and DDT. 1970
Use of Advanced Water Resources Planning Techniques in the Development of Regional Water Quality Management Programs. 1972
Use of Aquatic Plants in the Rehabilitation of Acid Polluted Streams. 1972
Use of exposure units for estimating aquatic toxicity of organophosphate pesticides / 1977
Use of Periphyton in the Development of Biocriteria. 1994
Use of Water Softening Sludge in Sewage Treatment. 1972
User manual for two-dimensional multi-class phytoplankton model with internal nutrient pool kinetics / 1986
Using Soil Filtration to Reduce Pollution Potential of Lagoon Effluent Entering Ground Water System. 1971
Utilization of natural ecosystems for wastewater renovation / 1979
Utilization of phosphorus by phytoplankton in phosphorus-rich environments, 1974
Utilization of Phosphorus by Phytoplankton in Phosphorus-Rich Environments. 1974
Utilization of phosphorus furnace slag in ceramic wall and floor tile, 1974
Variation among and within procedures for estimation of bioavailable phosphorus / 1987
Variation in Elemental Content of Lettuce Grown Under Base-Line Conditions in Five Controlled-Environment Facilities. 1982
Variation of the Urban Runoff Quality with Duration Intensity of Storms. Phase II. 1973
Vegetated Filter Strips for Agricultural Runoff Treatment. 1987
Vegetation Management for Land Treatment of Municipal Wastewater. 1981
Verification analysis of Lake Ontario and Rochester embayment three dimensional eutrophication models / 1979
Visual Effects Accompanying TEPP-Induced Miosis. 1956
Volatilization of Methyl Parathion from Fields Treated with Microencapsulated and Emulsifiable Concentrate Formulations. 1979
Volunteer Lake Monitoring Program, 1988. Volume 3. Northeastern Illinois Region. 1989
Volunteer Lake Monitoring Program, 1989. Volume 2. Northwestern Illinois Region. 1990
Volunteer Lake Monitoring Program, 1989. Volume 3. Northeastern Illinois Region. 1990
Volunteer Lake Monitoring Program, 1989. Volume 4. West-Central Illinois Region. 1990
Volunteer Lake Monitoring Program, 1989. Volume 5. East-Central Illinois Region. 1990
Ware River Intensive Watershed Study - 1. Nonpoint Source Contributions. 1983
Washout Processes in Lake Systems. 1972
Waste Source and Water Quality Studies, Surf City, North Carolina and Vicinity. 1976
Waste Stabilization Pond Study, Lebanon, Ohio. 1964
Wastewater characterization and process reliability for potable wastewater reclamation. 1977
Wastewater irrigation at Tallahassee, Florida / 1979
Wastewater Management Program, Jamaica Bay, New York. Volume I. Summary Report. 1976
Wastewater Management Program, Jamaica Bay, New York. Volume II, Supplemental Data. 1976
Wastewater treatment by natural and artificial marshes / 1976
Water & air quality trends in Region 8 / 1978
Water and air quality trends in Region VIII (1978 data) / 1979
Water balance and quantification of total phosphorus and total nitrogen loads entering and leaving the Lago de Cidra, central Puerto Rico 1997
Water Nutrients Number 2. 1970
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