Search Results for the EPA National Library Catalog

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Showing: Items 601 - 650
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Modification of the Iodimetric Titration Method for the Determination of Bromide and its Application to Mixed Domestic - Industrial Waste Effluents. 1975
Modification of the Neubauer Technique to Assess Toxicity of Hazardous Chemicals in Soils. 1985
Molecular optical spectroscopic techniques for hazardous waste site screening / 1991
Monitoring Groundwater Quality. 1977
Monitoring to detect previously unrecognized pollutants in surface waters / 1977
Monitoring to Detect Previously Unrecognized Pollutants in Surface Waters--Appendix: Organic Analysis Data. 1977
Moving Belt Interface with Spray Deposition for Liquid Chromatography/Mass Spectrometry. 1983
Multielement Analysis of Environmental Samples by Spark Source Mass Spectrometry. 1974
Multiple Eluent and pH Effects on Ion Chromatography of Phosphate and Arsenate. 1982
Multispectral Identification and Confirmation of Organic Compounds in Wastewater Extracts. 1990
Multispectral Identification of Alkyl and Chloroalkyl Phosphates from an Industrial Effluent. 1991
Multispectral Identification of Chlorine Dioxide Disinfection Byproducts in Drinking Water. 1994
Multispectral Identification of Chlorine Dioxide Disinfection Byproducts in Drinking Water. 1994
Mutagenicity of Coal Tar Paints Used in Drinking Water Distribution Systems. 1984
National guidance for the permitting, monitoring, and enforcement of water quality-based effluent limitations set below analytical detection / quantitation levels (draft) / 1994
National pesticide survey : glossary. 1990
National pesticide survey : project summary. 1990
National pesticide survey : summary results of EPA's national survey of pesticides in drinking water wells. 1990
National pesticide survey : survey analytes. 1990
National pesticide survey : survey design. 1990
National surface water survey : stream survey (pilot, middle-Atlantic phase I, southeast screening, and middle-Atlantic episode pilot): analytical methods manual / 1987
National survey of pesticides in drinking water wells : phase I report / 1990
National Water Quality Network Applications and Development Report. 6. Evaluation of the Field Performance of a Hays Dissolved Oxygen Analyzer. 1962
NBS Program for Standards for Trace Organic Analysis in the Marine Environment. 1977
Network Design Factors for Assessing Temporal Variability in Ground-Water Quality. 1989
Neutron Activation Analysis of Bottom Sediments. 1973
New liquid chromatographic detection system for environmental pollutants / 1980
New Methods of Nitrite and Nitrate Analysis for Natural Waters. 1973
Nitrate interference in total kjeldahl nitrogen determinations and its removal by anion exchange resins / 1977
Nitrate removal for small public water systems / 1983
Nitrogen in the subsurface environment / 1975
Nitrogen Removal and Identification for Water Quality Control. 1971
NPDES compliance monitoring inspector training module : laboratory analysis / 1990
Occurrence and Distribution of Organic Chemicals in Two Landfill Leachate Plumes. 1984
Occurrence of Aluminum in Drinking Water. 1984
Occurrence of Extractable Hydrocarbons in Sediments from Raritan Bay, New Jersey. 1978
Occurrence of Viruses in Treated Drinking Water in the United States. 1984
Occurrence, Significance, and Detection of 'Klebsiella' in Water Systems. 1987
Off-the-Shelf Analyzers for Measuring Adenosine Triphosphate (ATP) in Activated Sludge. 1974
Oil pollution reports : volume 5, number 2 (February 1978 - May 1978) / 1978
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 1976 - April 1976 / 1976
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 1977 - July 1977 / 1977
Oil spill and oil pollution reports, November 1975-January 1976 / 1976
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
Oil Spill Surveillance System Study. 1973
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