Search Results for the EPA National Library Catalog

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Direct Method to Assay Neurotoxic Esterase Activity. 1980
Direct viable counting method for meauring tolerance of aquatic microbial communities to Hg(2+1) / 1988
Direct/delayed response project : definition of soil sampling classes and selection of sampling sites for the Northeast / 1989
Direct/delayed response project : field operations and quality assurance report for additional watershed mapping in the Mid-Appalachian region of the United States / 1990
Direct/delayed response project : field operations and quality assurance report for additional watershed mapping in the Northeastern region of the United States / 1990
Direct/delayed response project : field operations and quality assurance report for soil sampling and preparation in the northeastern United States : project summary / 1988
Direct/delayed response project : field operations and quality assurance report for soil sampling and preparation in the Northeastern United States. 1987
Direct/delayed response project : field operations and quality assurance report for soil sampling and preparation in the Northeastern United States. Volume I, Sampling / 1987
Direct/delayed response project : field operations and quality assurance report for soil sampling and preparation in the Northeastern United States. Volume II, Preparation / 1987
Direct/delayed response project : field operations and quality assurance report for soil sampling and preparation in the Southern Blue Ridge Province of the United States / 1987
Direct/delayed response project : field operations and quality assurance report for soil sampling and preparation in the Southern Blue Ridge Province of the United States : project summary / 1988
Direct/delayed response project : field operations and quality assurance report for soil sampling and preparation in the Southern Blue Ridge Province of the United States {Microfiche} / 1988
Direct/delayed response project : future effects of long-term sulfur deposition on surface water chemistry in the Northeast and southern Blue Ridge province / 1989
Direct/delayed response project : laboratory operations and quality assurance report for preparation of soils from the Mid-Appalachian Region of the United States / 1990
Direct/Delayed Response Project : quality assurance plan for preparation and analysis of soils from the Mid-Appalachian Region of the United States / 1989
Direct/Delayed Response Project : quality assurance plan for preparation and analysis of soils from the Mid-Appalachian Region of the United States / 1989
Direct/delayed response project : quality assurance plan for soil sampling, preparation, and analysis / 1988
Direct/delayed response project : quality assurance plan for soil sampling, preparation, and analysis / 1987
Direct/Delayed Response Project : quality assurance report for physical and chemical analyses of soils from the Mid-Appalachian Region of the United States / 1990
Direct/delayed response project : quality assurance report for physical and chemical analyses of soils from the Mid-Appalachian region of the United States / 1990
Direct/Delayed Response Project : quality assurance report for physical and chemical analyses of soils from the northeastern United States / 1990
Direct/delayed response project : quality assurance report for physical and chemical analysis of soils from the Southern Blue Ridge Province of the United States / 1988
Direct/delayed response project : soil characterization comparison / 1992
Direct/Delayed Response Project: Field Operations and Quality Assurance Report for Soil Sampling and Preparation in the Southern Blue Ridge Province of the United States. Volume 2. Preparation. 1988
Direct/Delayed Response Project: Field Operations and Quality Assurance Report for Soil Sampling in the Mid-Appalachian Region of the United States. 1990
Direct/Delayed Response Project: Mid-Appalachian Soil Correlation and Sampling Class Development Workshop. Held in Corvallis, Oregon on August 22-25, 1988. 1990
Directory of mine waste characterization and drainage quality contacts in Western Governors' Association member states. 1991
Directory of precipitation monitoring sites : National Atmospheric Deposition Program/National Trends Network (NADP/NTN) / 1986
Discovering the Causes, Consequences, and Implications of Acid Rain and Atmospheric Deposition. 1983
Disposal of Chemical Sludges and Brines. 1970
Disposal of Hazardous - Chromium Recycling. 1976
Disposition of 14C and/or 74As-Cacodylic Acid in Rats After Intravenous, Intratracheal, or Peroral Administration. 1977
Disruption of vitamin A metabolism by dioxin / 2003
Dissolved Free Amino Acids, Combined Amino Acids, and DNA as Sources of Carbon and Nitrogen to Marine Bacteria. 1993
Distribution of 2,4,5-Trichlorophenoxyacetic Acid in the Mouse Fetus. 1977
Distribution of naturally occurring chelators (humic acids) and selected trace metals in some west coast Florida streams, 1968-1969 1971
Distribution of surface waters sensitive to acidic precipitation : a state-level atlas / 1982
Distribution of surface waters sensitive to acidic precipitation : a state-level atlas / 1982
Diurnal and Seasonal Patterns of Particulate Sulfur and Sulfuric Acid in St. Louis, July 1977-June 1978. 1982
DNA Adduct Research with Capillary Electrophoresis. 1993
DNA Modifications: Investigations by Mass Spectrometry (Chapter 3). 1994
DNA probes for infectious diseases 1989
DNA repair 1985
DNA repair and mutagenesis in eukaryotes 1980
DNA repair processes : from the third annual workshop sponsored by the Institute for Medical Research and the National Institute on Aging / 1977
DNA repair, chromosome alterations, and chromatin structure : proceedings of an international meeting held at Noordwijkerhout, The Netherlands, 23-25 April 1981 1982
DNA replication / 1980
DNA Sequence Analysis of Revertants of the 'hisD3052' Allele of 'Salmonella typhimurium' TA98 Using the Polymerase Chain Reaction and Direct Sequencing: Application to 1-Nitropyrene-Induced Revertants. 1991
DNA systematics 1986
DNA-Benzo(a)Pyrene Adducts Formed in a 'Salmonella typbimurium' Mutagenesis Assay System. 1979
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