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Search Results for the EPA National Library Catalog
Items Found: 573
Showing: Items 451 - 500
Your Search: (SUBJECT=Mass spectroscopy)
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Title
Year Published
451
Performance evaluation of particle beam liquid chromatography/mass spectrometry for the measurement of acid herbicides /
1990
452
Performance Evaluation of Particle Beam Liquid Chromatography/Mass Spectrometry for the Measurement of Acid Herbicides Project Summary
1990
453
Performance tests for the evaluation of computerized gas chromatography/mass spectrometry equipment and laboratories /
1980
454
Petroleum Contamination: Quantification and Passive Tagging in Organisms and Sediments.
1982
455
Photolysis of Chlorinated Dioxins in Organic Solvents and on Soils.
1990
456
POHCs (Principal Organic Hazardous Constituents) and PICs (Products of Incomplete Combustion) Screening Protocol.
1989
457
Pollutant analysis cost survey /
1974
458
Pollutants from synthetic fuels production : facility construction and preliminary tests /
1978
459
Pollutants from synthetic fuels production : sampling and analysis methods for coal gasification /
1979
460
Polychlorinated Chemical Residues in Fish from Major Watersheds Near the Great Lakes, 1979.
1983
461
Portable miniature sampler for potential airborne carcinogens in microenvironments : Phase 1, development /
1980
462
Portable Miniature Sampler for Potential Airborne Carcinogens in Microenvironments: Phase 2. Evaluation.
1981
463
Portable tandem mass spectrometer analyzer
1991
464
Potential Atmospheric Carcinogens, Phase 2/3: Analytical Technique and Field Evaluation.
1981
465
Potential emissions of hazardous organic compounds from sewage sludge incineration /
1987
466
Potential Emissions of Hazardous Organic Compounds from Sewage Sludge Incineration Project Summary
1987
467
Pre-concentration method for inductively coupled plasma-mass spectrometry /
1989
468
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
469
Precolumn Sample Enrichment Device for Analysis of Ambient Volatile Organics by Gas Chromatography-Mass Spectrometry.
1985
470
Preprocessing, Variable Selection, and Classification Rules in the Application of SIMCA Pattern Recognition to Mass Spectral Data.
1989
471
Probabilities of Peak Occurrence and Information Content of the NBS/EPA/MSDC Mass-Spectral Data Base.
1989
472
Pulsed Positive Ion Negative Ion Chemical Ionization Mass Spectrometric Applicatons to Environmental and Hazardous Waste Analysis.
1983
473
Pyrolysis-Mass Spectrometry/Pattern Recognition on a Well-Characterized Suite of Humic Samples.
1985
474
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
475
Quality assurance project plan for the National Pesticide Survey of Drinking Water Wells : analytical method 1 /
1992
476
Quality assurance project plan for the National Pesticide Survey of Drinking Water Wells : analytical method 3 /
1992
477
Quality assurance project plan for the National Pesticide Survey of Drinking Water Wells : analytical method 6 /
1992
478
Quality assurance project plan for the National Pesticide Survey of Drinking Water Wells : analytical method 6, ethylene thiourea /
1992
479
Quality Control and Evaluation of Mass Spectra.
1982
480
Quantitative analysis of polynuclear aromatic hydrocarbons in liquid fuels /
1980
481
Quantitative ultratrace transition metal analysis of high salinity waters utilizing chelating resin separation : application to energy-related environmental samples /
1979
482
Rapid and Accurate Method for Estimating Molecular Weights of Organic Compounds from Low Resolution Mass Spectra.
1992
483
Rapid Measurement of Aqueous Hydroxyl Radical Concentrations in Steady-State HO Flux Systems.
1992
484
Rapid Methods of Analysis for Trace Quantities of Polynuclear Aromatic Hydrocarbons and Phenols in Automobile Exhaust, Gasoline, and Crankcase Oil.
1971
485
Reactions of Chlorine in Drinking Water, with Humic Acids and 'In vivo'.
1984
486
Reactions of Chlorite with Activated Carbon and with Vanillic Acid and Indan Adsorbed on Activated Carbon.
1983
487
Reactions of dissolved pollutants with ozone in aqueous solutions {microform} :
1984
488
Recent Applications of Mass Spectrometry and Combined Gas Chromatography-Mass Spectrometry to Pesticide Residue Analysis.
1970
489
Recognition of Diazinon, An Organophosphorus Pesticide, When Found in Samples in the Form of Decomposition Products.
1981
490
Reductive Degradation of Dieldrin and Endrin in the Field Using Acidified Zinc.
1981
491
Reductive Dehalogenation of a Nitrogen Heterocyclic Herbicide in Anoxic Aquifer Slurries.
1990
492
Regiospecific Dechlorination of Pentachlorophenol by Dichlorophenol-Adapted Microorganisms in Freshwater, Anaerobic Sediment Slurries.
1991
493
Reliability of Spark Source Mass Spectrometry for Environmental Assessment.
1981
494
Research into the Prevention of Polychlorotriphenyls (PCTs).
1973
495
Residual Monomers in Acrylic and Modacrylic Fibers and Fabrics.
1979
496
Sampling and analysis for polychlorinated dibenzo-P-dioxins and dibenzofurans in ambient air. {microfiche}
1990
497
Sampling and Analysis Information Aids for Stationary Source Personnel.
1993
498
Sampling and analysis methods for hazardous waste combustion /
1984
499
Sampling and Analysis of PCDDs and PCDFs in Stationary Source Emission Air Samples.
1992
500
Sampling and analysis of selected toxic substances : task I, vinylidene chloride.
1977
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