Search Results for the EPA National Library Catalog

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Select Item Title Year Published
National Study of Chemical Residues in Fish. 3. Study Results. 1994
National Study of Mercury Contamination of Fish. 4. Analytical Methods and Results. 1994
National surface water survey : eastern lake survey (phase I - synoptic chemistry) analytical methods manual / 1986
National surface water survey : stream survey (pilot, middle-Atlantic phase I, southeast screening, and middle-Atlantic episode pilot): analytical methods manual / 1987
National Surface Water Survey: Eastern Lake Survey (Phase 1 - Synoptic Chemistry). Quality Assurance Plan. 1986
National Survey of Pesticides in Drinking Water. 1976
National trends in trace metals in ambient air 1965-1974 / 1977
Nationwide Urban Runoff Program, Bellevue Urban Runoff Program, Washington: Summary Report. 1984
Nationwide Urban Runoff Program, Priority Pollutant Analysis: Final Report. 1982
Nationwide Urban Runoff Program, the Long Island Segment, Long Island Regional Planning Board, Hauppauge, New York. 1982
Nationwide Urban Runoff Program, Winston-Salem, North Carolina: An Evaluation of Street Sweeping as a Runoff Pollution Control. 1983
NBS Program for Standards for Trace Organic Analysis in the Marine Environment. 1977
NBS/EPA (National Bureau of Standards/Environmental Protection Agency) Certified Reference Material Performance Audit Program: Status Report 1. 1985
NBS/EPA (National Bureau of Standards/Environmental Protection Agency) Certified Reference Material Performance Audit Program: Status Report 2. 1986
Negative Chemical Ionization Studies of Human and Food Chain Contamination with Xenobiotic Chemicals. 1980
Neutron Activation Analysis for Simultaneous Determination of Trace Elements in Ambient Air Collected on Glass-Fiber Filters. 1979
New and revised chemical fate test guidelines. 1984
New Application of Dialysis in the Determination of Ammoniemia (Application Nouvelle de la Dialyse a la Determination de l'Ammoniemie). 1960
New Approaches to Quantitating the Pulmonary Effects of Inhaled Pollutants. 1981
New Approaches to the Decontamination of Hazardous Wastes. 1987
New approaches to the preservation of contaminants in water samples / 1979
New liquid chromatographic detection system for environmental pollutants / 1980
New Metabolite of Chlorpyrifos: Isolation and Identification. 1977
New York City Bus Terminal Diesel Emissions Study: Measurement and Collection of Diesel Exhaust for Chemical Characterization and Mutagenic Activity. 1987
NIST/NOAA NS and T/EPA EMAP Intercomparison Exercise Program for Organic Contaminants in the Marine Environment: Description and Results of 1995 Organic Intercomparison Exercises. 1996
NIST/NOAA NS and T/EPA EMAP Intercomparison Exercise Program for Organic Contaminants in the Marine Environment: Description and Results of 1995 Organic Intercomparison Exercises. National Status and Trends Program for Marine Environmental Quality. 1996
Nitrate interference in total kjeldahl nitrogen determinations and its removal by anion exchange resins / 1977
Nitrate removal for small public water systems / 1983
Nitrate Removal from Drinking Water in Glendale, Arizona. 1986
Nitric Oxide Measurement Study: Optical Calibration - Volume I. 1980
Nitrite Induced Iron Deficiency in the Neonatal Rat. 1988
Nitrogen oxides / 1976
Nitrogen Oxides: An Annotated Bibliography. 1970
Nitrogenous compounds in the environment. 0
Nitrosamine analysis of diesel crankcase emissions / 1980
Non-Extractive Electro-Optical Measurement of Jet Engine Emissions. 1978
Non-polar volatile organic compounds in whole air samples from the autotex studies. {microfiche} 1991
Non-urban hydrocarbon concentrations in ambient air north of Houston, Texas / 1979
Noncarcinogenic effects of chromium : update to health assessment document / 1990
Nonmethane Organic Carbon Concentrations in Air Masses Advected into Urban Areas in the United States. 1987
Nonmethane Organic Compound and Air Toxics Monitoring Program. Final Report 1987. Volume 1. Hydrocarbons. 1988
Nonmethane Organic Compound and Toxics Monitoring Program. Final Report 1987. Volume 2. Toxic Species. 1988
Nonmethane Organic Compounds and Speciated Non-Methane Organic Compounds Monitoring Program, 1995. 1996
Nonmethane organic emissions from bread producing operations / 1978
Note on Polychlorinated Biphenyls in Air. 1972
Novel Approach to Metal-Humic Complexation Studies by Lanthanide Ion Probe Spectroscopy. 1989
NPDES compliance monitoring inspector training module : laboratory analysis / 1990
NPDES Compliance Monitoring Inspector Training: Laboratory Analysis. 1981
NTP Technical Report on the Toxicology and Carcinogenesis Studies of Hexachlorocyclopentadiene (CAS No. 77-47-4) in F344/N Rats and B6C3F1 Mice (Inhalation Studies). 1994
Nuclear Cement Content Gage - Instruction Manual. 1975
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