Search Results for the EPA National Library Catalog

Items Found: 1985
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Select Item Title Year Published
Nutrient inactivation as a lake restoration procedure : laboratory investigations / 1974
Nutrients from tile drainage systems / 1971
Nutrients in natural waters, 1972
Observations on the viability of the bacterium coli group under natural and artificial conditions 1923
Occurrence and distribution of strontium in natural water / 1963
Occurrence and potential adverse effects of semivolatile organic compounds in streambed sediment, United States, 1992-1995 2001
Occurrence of Aluminum in Drinking Water. 1984
Occurrence of Extractable Hydrocarbons in Sediments from Raritan Bay, New Jersey. 1978
Occurrence of minor elements in water, 1961
Off-the-Shelf Analyzers for Measuring Adenosine Triphosphate (ATP) in Activated Sludge. 1974
Office of Water approval program for new and alternate test procedures. 2001
Office of Water Methods and Guidance, Version 2.0 - Suite. 2002
Office of Water Performance Evaluation Study Project : Final Report. 1994
Ohio River pollution control. Letter from the acting secretary of war, transmitting a letter from the chief of engineers, United States Army, dated May 4, 1943, forwarding a report, together with accompanying papers and illustrations, on a survey of the Ohio River and its tributaries for pollution control, authorized by section 5 of the River and harbor act, approved August 26, 1937 ... 1944
Ohio River Pollution Survey: Organization and Methods of Laboratory Studies. 1942
Ohio River water quality fact book. 1986
Oil Pollution Reports. Volume 5, Number 4. 1979
Oil spill and oil pollution reports : February 1975-April 1975 / 1975
Oil spill and oil pollution reports : February 1977-April 1977 / 1977
Oil spill and oil pollution reports : May 1975 - July 1975 / 1976
Oil spill and oil pollution reports : May 1976 - July 1976 / 1976
Oil spill and oil pollution reports : May 1977 - July 1977 / 1977
Oil spill and oil pollution reports, July 1974-October 1974 / 1975
Oil spill and oil pollution reports, volume 5, number 1 : November 1977 - January 1978 / 1978
Oil Spill and Oil Pollution Reports: August 1977-October 1977. 1978
On-Line Colorimetric Analyzers for Monitoring Nitrate-Nitrite, Ammonia, Orthophosphorus and Total Hydrolyzable Phosphorus in Wastewater-Treatment Process Streams. 1974
On-Site GC/MS Analysis of Chapman Gasification Separator Liquor. 1981
Open Lake Water Quality Conditions for Lake Erie's Western, Central and Eastern Basins, 1986. 1988
Open-Pore Polyurethane Columns for Collection and Preconcentration of Polynuclear Aromatic Hydrocarbons from Water. 1977
Operation of the Analytical Methodology Information Center, 1973
Optimization and evaluation of a microelectrolytic conductivity detector for the gas chromatographic determination of pesticide residues / 1976
Optimization of liquid-liquid extraction methods for analysis of organics in water / 1983
Optimization of Purging Efficiency and Quantification of Organic Contaminants from Water Using a 1-L Closed-Loop-Stripping Apparatus and Computerized Capillary Column GC/MS. 1983
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 and organotin compounds leached from PVC and CPVC pipe / 1981
Organic chemicals in drinking water. 1990
Organic compounds entering ground water from a landfill / 1974
Organic compounds in organophosporus pesticide manufacturing wastewaters / 1978
Organic Compounds Near Dumpsites in Niagara Falls, New York. 1981
Organic Contaminants - Lake Huron. 1977
Organic Halogen Measurement: Current Uses and Future Prospects. 1985
Organic Pollutant Identification Utilizing Mass Spectrometry. 1973
Organic Water Pollutant Analysis by Gas Chromatography-Mass Spectrometry. 1981
Organics in drinking water. 1975
Organo-phosphorus pesticides in river and drinking water 1980 (tentative method) 1983
Overburden mineralogy as related to ground-water chemical changes in coal strip mining / 1978
OW methods and guidance diskette #1 / 1997
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