Search Results for the EPA National Library Catalog

Items Found: 1985
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Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory -- determination of the total phosphorus by a Kjeldahl digestion method and an automated colorimetric finish that includes dialysis 1992
Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory : arsenic speciation in natural-water samples using laboratory and field methods / 2002
Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory : Determination of 86 volatile organic compounds in water by gas chromatgraphy / mass spectrometry, including detectiions less than reporting limits / 1998
Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory : determination of elements in whole-water digests using inductively coupled plasma-optical emission spectrometry and inductively coupled plasma-mass spectrometry / 1998
Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory : determination of wastewater compounds by polystyrene-divinylbenzene solid-phase extraction and capillary-column gas chromatography/mass spectrometry / 2002
Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory : processing, taxonomy, and quality control of benthic macroinvertebrate samples / 2000
Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory determination of metals in water by inductively coupled plasma-mass spectrometry / 1993
Methods of analysis for by-product PCBs : literature review and preliminary recommendations / 1982
Methods of biological sampling : sampling of benthic macroinvertebrates in deep rivers, 1983. 1984
Methods of seawater analysis 1983
Methods of seawater analysis 1976
Methods to treat, control and monitor spilled hazardous materials / 1975
Methoxychlor and DDT Degradation in Water: Rates and Products. 1977
Microbiological and Chemical Investigation of Effects of Multiple Use on Water Quality of High Mountain Watersheds. 1971
Microbiological Content and Health Effect of Fishponds Enriched with Wastewater Effluent. 1987
Microbiological methods for monitoring the environment : water and wastes / 1978
Microbiological skills for water and wastewater analysis 1985
Microbiological Studies in an Open and a Closed Watershed. 1971
Microprocessor-controlled anodic stripping voltammeter for trace metal analysis in tap water / 1985
Microprocessor-controlled ion selective electrode determination of total chlorine / 1982
Microscopic analysis of plankton, periphyton, and activated sludge : training manual / 1976
Microscopic particulate analysis (MPA) for filtration plant optimization / 1996
Microscopy of drinking water 1947
Mine Drainage Control from Metal Mines in a Subalpine Environment - A Feasibility Study. 1977
Mineral Quality Problem in the Colorado River Basin. Appendix A. Natural and Man-Made Conditions Affecting Mineral Quality. 1971
Mineralogical preservation of solid samples collected from anoxic subsurface environments / 2006
Mining impacted pit lakes 2000 workshop proceedings, a multimedia CD presentation. {electronic resource} : 2001
Mississippi River Basin Sterol Assay Project Report. Coprostanol, A Positive Molecular Marker of Domestic and Run-Off Pollution. Sterol Assay of Raw Sewage, Wastewater Plant Effluent and Surface Waters in the Burlington, Iowa Area on the Mississippi River. 1970
Modeling the benthos-water column exchange of hydrophobic chemicals / 1986
Modification of the Iodimetric Titration Method for the Determination of Bromide and its Application to Mixed Domestic - Industrial Waste Effluents. 1975
Modified Purge-and-Trap/Gas Chromatography Method for Analysis of Volatile Halocarbons in Microbiological Degradation Studies (Journal Version). 1988
Molecular optical spectroscopic techniques for hazardous waste site screening / 1991
Molecular Spectral Interference in the Determination of Arsenic by Furnace Atomic Absorption. 1977
Monitoring groundwater quality : methods and costs / 1976
Monitoring of the upper Chesapeake Bay for the symetrical trazine herbicides atrazine and simazine / 1978
Monitoring requirements for Lead and copper rules : water systems serving : 10001 to 50000 persons. 1992
Monitoring requirements for lead and copper rules : water systems serving : 50,001 to 100,000 persons / 1992
Monitoring requirements for lead and copper rules : water systems serving > 100,000 persons / 1992
Monitoring Strategies for Water Distribution Systems. 1989
Monitoring to detect previously unrecognized pollutants in surface waters / 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
Monitoring to Detect Previously Unrecognized Pollutants in Surface Waters--Appendix: Organic Analysis Data. 1977
Monitoring Trace Metals at Ambient Water Quality Criteria Levels. Briefing Book, January 1995. 1995
Monitoring water in the 1990's : meeting new challenges / 1991
Multielement analysis of environmental samples by spark source mass spectrometry / 1974
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
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