Search Results for the EPA National Library Catalog

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Pentachlorophenol in the Environment. Evidence for Its Origin from Commercial Pentachlorophenol by Negative Chemical Ionization Mass Spectrometry. 1980
Pentachlorophenol in the Environment: Evidence for Its Origin from Commercial Pentachlorophenol by Negative Chemical Ionization Mass Spectrometry. 1980
Performance Evaluation Materials for the Analysis of Volatile Organic Contaminants in Soil: A Preliminary Assessment. 1990
Performance evaluation of particle beam liquid chromatography/mass spectrometry for the measurement of acid herbicides / 1990
Performance Evaluation of Particle Beam Liquid Chromatography/Mass Spectrometry for the Measurement of Acid Herbicides Project Summary 1990
Performance tests for the evaluation of computerized gas chromatography/mass spectrometry equipment and laboratories / 1980
Petroleum Contamination: Quantification and Passive Tagging in Organisms and Sediments. 1982
Photolysis of Chlorinated Dioxins in Organic Solvents and on Soils. 1990
POHCs (Principal Organic Hazardous Constituents) and PICs (Products of Incomplete Combustion) Screening Protocol. 1989
Pollutant analysis cost survey / 1974
Pollutants from synthetic fuels production : facility construction and preliminary tests / 1978
Pollutants from synthetic fuels production : sampling and analysis methods for coal gasification / 1979
Polychlorinated Chemical Residues in Fish from Major Watersheds Near the Great Lakes, 1979. 1983
Portable miniature sampler for potential airborne carcinogens in microenvironments : Phase 1, development / 1980
Portable Miniature Sampler for Potential Airborne Carcinogens in Microenvironments: Phase 2. Evaluation. 1981
Portable tandem mass spectrometer analyzer 1991
Potential Atmospheric Carcinogens, Phase 2/3: Analytical Technique and Field Evaluation. 1981
Potential emissions of hazardous organic compounds from sewage sludge incineration / 1987
Potential Emissions of Hazardous Organic Compounds from Sewage Sludge Incineration Project Summary 1987
Pre-concentration method for inductively coupled plasma-mass spectrometry / 1989
Precision and Accuracy in the Determination of Organics in Water by Fused Silica Capillary Column Gas Chromotography/Mass Spectrometry and Packed Column Gas Chromatography/Mass Spectrometry. 1983
Precolumn Sample Enrichment Device for Analysis of Ambient Volatile Organics by Gas Chromatography-Mass Spectrometry. 1985
Preprocessing, Variable Selection, and Classification Rules in the Application of SIMCA Pattern Recognition to Mass Spectral Data. 1989
Probabilities of Peak Occurrence and Information Content of the NBS/EPA/MSDC Mass-Spectral Data Base. 1989
Proceedings 48th ASMS conference on mass spectrometry and allied topics {electronic resource}. 2000
Pulsed Positive Ion Negative Ion Chemical Ionization Mass Spectrometric Applicatons to Environmental and Hazardous Waste Analysis. 1983
Pyrolysis-Mass Spectrometry/Pattern Recognition on a Well-Characterized Suite of Humic Samples. 1985
Quality assurance project plan for the National Pesticide Survey of Drinking Water Wells : analytical method 1 - nitrogen/phosphorous pesticides and analytical method 3 - chlorinated acid herbicides / 1992
Quality assurance project plan for the National Pesticide Survey of Drinking Water Wells : analytical method 1 / 1992
Quality assurance project plan for the National Pesticide Survey of Drinking Water Wells : analytical method 3 / 1992
Quality assurance project plan for the National Pesticide Survey of Drinking Water Wells : analytical method 6 / 1992
Quality assurance project plan for the National Pesticide Survey of Drinking Water Wells : analytical method 6, ethylene thiourea / 1992
Quality Control and Evaluation of Mass Spectra. 1982
Quantitative analysis of polynuclear aromatic hydrocarbons in liquid fuels / 1980
Quantitative ultratrace transition metal analysis of high salinity waters utilizing chelating resin separation : application to energy-related environmental samples / 1979
Rapid and Accurate Method for Estimating Molecular Weights of Organic Compounds from Low Resolution Mass Spectra. 1992
Rapid Measurement of Aqueous Hydroxyl Radical Concentrations in Steady-State HO Flux Systems. 1992
Rapid Methods of Analysis for Trace Quantities of Polynuclear Aromatic Hydrocarbons and Phenols in Automobile Exhaust, Gasoline, and Crankcase Oil. 1971
Reactions of Chlorine in Drinking Water, with Humic Acids and 'In vivo'. 1984
Reactions of Chlorite with Activated Carbon and with Vanillic Acid and Indan Adsorbed on Activated Carbon. 1983
Reactions of dissolved pollutants with ozone in aqueous solutions {microform} : 1984
Recent Applications of Mass Spectrometry and Combined Gas Chromatography-Mass Spectrometry to Pesticide Residue Analysis. 1970
Recognition of Diazinon, An Organophosphorus Pesticide, When Found in Samples in the Form of Decomposition Products. 1981
Reductive Degradation of Dieldrin and Endrin in the Field Using Acidified Zinc. 1981
Reductive Dehalogenation of a Nitrogen Heterocyclic Herbicide in Anoxic Aquifer Slurries. 1990
Regiospecific Dechlorination of Pentachlorophenol by Dichlorophenol-Adapted Microorganisms in Freshwater, Anaerobic Sediment Slurries. 1991
Reliability of Spark Source Mass Spectrometry for Environmental Assessment. 1981
Research into the Prevention of Polychlorotriphenyls (PCTs). 1973
Residual Monomers in Acrylic and Modacrylic Fibers and Fabrics. 1979
Sampling and analysis for polychlorinated dibenzo-P-dioxins and dibenzofurans in ambient air. {microfiche} 1990
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