Search Results for the EPA National Library Catalog

Items Found: 842
Showing: Items 401 - 450
Your Search: (SUBJECT=Oxygen demand)


 
 
 
PREV 1 ... 4 5 6 7 8 9 10 11 12 13 14 ... 17 NEXT
Select Item Title Year Published
Microbiology of Sewage Lagoons - Role of Purple Sulfur Bacteria in the Stabilization of Industrial Wastes. 1970
Microdistribution of Stream Benthos. 1968
Microstraining and disinfection of combined sewer overflows, 1970
Microstraining and Disinfection of Combined Sewer Overflows. Phase II. 1973
Microstraining and disinfection of combined sewer overflows. Phase III / 1974
Minimizing the Pollution Impact of Kraft Pulping Through Oxygen Bleaching. 1980
Mississippi River Reconnaissance, Report of Sampling in the Vicinity of Dubuque, Iowa, and the Tributaries from Above Dubuque to Below Keokuk, Iowa, in both Iowa and Illinois. 1969
Modeling and Optimization of Thermal Pollution Control Systems. 1972
Monitoring groundwater quality : the impact of in situ oil shale retorting / 1980
Monitoring of the Effluent Stream from Wastewater Treatment Plants. 1971
Monitoring to detect previously unrecognized pollutants in surface waters / 1977
Monitoring to Detect Previously Unrecognized Pollutants in Surface Waters--Appendix: Organic Analysis Data. 1977
Multi-purpose combined sewer overflow treatment facility Mount Clemens, Michigan / 1975
Multimedia pollution assessment of the wood products industries / 1984
Municipal Sewage Treatment with a Rotating Biological Contactor / 1969
Municipal Water Pollution Control Abstracts for 1974. 1975
Muskegon, Michigan industrial-municipal wastewater storage lagoons : biota and environment / 1977
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, Washington Metropolitan Area Urban Runoff Demonstration Project: Final Report, 1979-1982. 1983
Nationwide Urban Runoff Program. Urban Runoff Control in Rapid City, South Dakota: Executive Summary. 1984
Nationwide Urban Runoff Project, Champaign, Illinois: Assessment of the Impact of Urban Storm Runoff on an Agricultural Receiving Stream. 1983
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
Nutrient Transport and Dissolved Oxygen Budget Studies in the Potomac Estuary. 1972
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
PREV 1 ... 4 5 6 7 8 9 10 11 12 13 14 ... 17 NEXT

Save, Print or Email Selected Records