Search Results for the EPA National Library Catalog

Items Found: 734
Showing: Items 351 - 400
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National Water Quality Network. Report on Analytical Reference Sample Type II, BD-2. 1960
National Water Quality Network. Report on Reference Sample Type 2, BD-4. 1963
Nationwide evaluation of combined sewer overflows and urban stormwater discharges : volume 1, Executive summary / 1977
Nationwide Urban Runoff Program, Tampa, Florida: Final Summary Report. 1983
Nationwide Urban Runoff Program, Tampa, Florida: Phase 2 Final Report. Task II.6. Runoff Characterization - Data Analysis. Task II.9. Control Testing - Data Analysis. Task II.10. Projection of Study Area-Wide Loadings. Task II.11. Monitor Other NURP Projects. 1983
Nationwide Urban Runoff Program, Tampa, Florida: Water Quality Assessment of the Lower Hillsborough River - Final Report. 1983
Nationwide Urban Runoff Program, Upper Mystic Lake Watershed: Case Study. 1982
Nationwide Urban Runoff Program. Urban Runoff Control in Rapid City, South Dakota: Executive Summary. 1984
Needs Survey (1978): Continuous Stormwater Pollution Simulation System - Users Manual. 1979
Needs Survey (1978): Continuous Stormwater Pollution Simulation Systems. 1979
New approaches to the preservation of contaminants in water samples / 1979
Nitrification and denitrification facilities : wastewater treatment. 1973
Nitrification and Denitrification of Waste Water. 1971
Nitrification in Surface Waters Tributary to Lake Superior. 1971
Nitrogen and phosphorus control by two facilities in Florida / 1979
Nitrogen removal from municipal wastewater 1973
Nitrogenous compounds in the environment. 0
Non-point water quality modeling in wildland management : a state-of-the-art assessment / 1977
Nonpoint Source Sampling Design Report. Areawide Waste Treatment Management Plan for the Greater Houston Area. 1977
Nonpoint Sources: An Assessment of Pollutant Loadings to Lakes and Rivers in North Central Texas. 1977
Numerical Model for the Prediction of Transient Water Quality in Estuary Networks. 1972
Nutrient control by plant modification at El Lago, Texas / 1976
Organic Analyses in Water Quality Control Programs - Training Manual. 1980
Organic Analyses in Water Quality Control Programs. Training Manual. 1977
Organic Analyses in Water Quality Control Programs; Instructor's Guide for Conducting the Course. 1980
Organic Analyses in Water Quality Control Programs; Training Manual. 1978
Organic Carbon - A Nonspecific Water Quality Indicator for Lake Superior. 1978
Organic Loading Study of Full-Scale Sequencing Batch Reactors. 1985
Overland flow : a decade of progress / 1984
Overland flow treatment of raw wastewater with enhanced phosphorus removal / 1976
Overview of the United States Effluent Guidelines Program. 1991
Oxidation of organic matter in sediments / 1973
Oxidative Treatment of Industrial Wastewater. 1977
Oxygen aeration at Newtown Creek / 1979
Oxygen balance in a southern Great Plains stream in southeastern Oklahoma 1965
Oxygen dynamics in the Chesapeake Bay : a synthesis of recent research / 1992
Oxygen regeneration of polluted rivers : second annual progress report / 1968
Oxygen regeneration of polluted rivers : third annual progress report / 1969
Oxygen regeneration of polluted rivers: the Delaware River / 1970
Oxygen Relationships in Streams. Methodology to be Applied When Determining the Capacity of a Stream to Assimilate Organic Wastes. 1961
Oxygen relationships in the Shiawassee River : 1966. 1968
Oxygen Uptake Demand of Resuspended Bottom Sediments. 1970
Oxygen-activated sludge plant completes two years of successful operation / 1977
Oxygenation of Aqueous Bodies Using Liquid Oxygen-Loxination. 1974
Papermill wastewater treatment by microstraining / 1976
Parametric Study of Water Resource Variables in a Delta Region of South Louisiana - Bayou LaFourche. Volume I. Technical Discussion, Volume II, Appendices. 1974
Patuxent River Water Quality Management Technical Evaluation. 1969
Performance evaluation of an existing lagoon system at Eudora, Kansas / 1977
Performance evaluation of an existing seven cell lagoon system / 1977
Performance evaluation of existing aerated lagoon system at Bixby, Oklahoma / 1979
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