Search Results for the EPA National Library Catalog

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Tungstic Acid Technique for Monitoring Nitric Acid and Ammonia in Ambient Air. 1982
Twenty four month toxicology study in Fischer-344 rats given terephthalic acid : eighteen-month interim status report / 1981
Twenty-eight Day Dietary Study in Rats with 5,10-Dioxa-3,12- dithiatetradecanedioic acid, 4-11-dimethyl-,1, 14-bis(2-ethylhexyl)ester. 2010
Twenty-eight Day Repeated Dose Oral Toxicity Study Followed by a 14-day Recovery Study was Performed in Groups of Five Male and Five Female Crl:CD(SD) Rats. 2012
Twenty-First Annual Risk Reduction Engineering Laboratory (RREL) Research Symposium-Abstract Proceedings (for Microcomputers). 1995
Two Final Draft Reports of an in vitro Mammalian Cell Gene Mutation Assay at the Thymidine Kinase locus TK(plus or minus) and an in vitro Chromosome Aberration Test in Chinese Hamster Ovary (CHO-WBL) Cells Using 4-Cyclohexene-1,2-dicarboxylic Acid, 2,2-dimethyl-1. 2013
U.S. and Canadian emissions inventory : 1985 / 1988
U.S. Environmental Protection Agency advisory committees, charters, rosters, and accomplishments, April 1991. 1991
U.S. EPA Models-3/CMAQ: Status and Applications. 1999
U.S. EPA workshop to develop a simple model for acid deposition : final report / 1986
U.S. EPA workshop to develop a simple model for acid deposition--final report / 1986
U.S.--Canada Memorandum of Intent on Transboundary Air Pollution. Impact Assessment. 1981
UAPSP laboratory standard operating procedures (Revision 1) 1989
UAPSP network description and measurements for 1981 through 1982 1987
UAPSP network description and measurements for 1981 through 1987 1989
UAPSP precipitation data displays for 1979 through 1987 1989
UAPSP precipitation data displays for January 1, 1979-December 31, 1985 1987
UAPSP precipitation data displays for January 1, 1979-June 30, 1982 1983
Ultrastructure of the Paraquat Lung Lesion in the Rat. 1972
Uncertainty in North American wet deposition isopleth maps : effect of site selection and valid sample criteria / 1990
Underground coal mining methods to abate water pollution : a state of the art literature review / 1970
Underground mine drainage control : Snowy Creek-Laurel Run, West Virginia feasibility study / 1977
Unfinished Business in New England: A Comparative Assessment of Environmental Problems. Ecological Risk Work Group Report. 1988
Unified Wet Deposition Data Summaries for North America: Data Summary Procedures and Results for 1980-1986. 1990
United States - Canada memorandum of intent on transboundary air pollution : atmospheric modelling : interim report. 1981
United States - Canada memorandum of intent on transboundary air pollution : phase II interim working paper / 1981
United States - Canada Memorandum of Intent on Transboundary Air Pollution. Atmospheric Modeling, Work Group 2 Interim Report. 1981
United States - Canada Memorandum of Intent on Transboundary Air Pollution. Emissions, Costs and Engineering Assessment, Interim Report, Work Group 3B. 1981
United States - Canada Transboundary Air Pollution Work Group 3A Interim Report on Strategies and Implementation. 1981
United States and Canada: Air Quality Agreement, Progress Report, 2004. 2004
United States-Canada air quality agreement : 1994 progress report / 1994
United States-Canada memorandum of intent on transboundary air pollution : final report 1982
United States-Canada memorandum of intent on transboundary air pollution : final report-technical basis 1982
University of Washington electrostatic spray scrubber evaluation / 1976
Untersuchungen Zum Reiz-/atzoptential an Haut und Auge (kaninchen) (translation Not Provided) with Cover Letter dated 080686. 1986
Up and down Procedure for Estimating Acute Oral Toxicity (ld50) in Rats with Cover Letter dated 08/21/1986. 1986
Up-dip versus down-dip mining : an evaluation / 1975
Updated Occupational Blood Monitoring Information. Perfluorooctanoic Acid (PFOA). 2006
Updated Occupational PFOA (Perfluorooctanoic Acid) Blood Monitoring Information. 2006
Updated Occupational Serum Sample Results from the Washington Works Parkersburg, West Virginia Facility Among Other Facilities with Perfluorooctanoic Acid (PFOA). 2009
Updated Serum Sampling Results from the Dordrecht Works, Dordrecht, Netherlands Facility Among Other Facilities with Perfluorooctanoic Acid (PFOA). 2009
Updates to the 1986 Directory of Precipitation Monitoring Sites, National Atmospheric Deposition Program, National Trends Network (NADP/NTN). 1990
Upper Columbia river expanded site inspection report : northeast Washington : Draft / 2002
Upper Columbia river expanded site inspection report : northeast Washington : TDD:01-02-0028 / 2003
Upper-air data collection during CAPTEX / 1985
Urban Air Shed Photochemical Simulation Model Study. Volume I. Development and Evaluation. Appendix B. Generalized Mechanism for Describing Atmospheric Photochemical Reactions. 1973
Urban Morphology for Houston to Drive Models-3/CMAQ at Neighborhood Scales. 2003
Urinary Excretion of Insecticide Metabolites, Excretion of Para-nitrophenol and DDA as Indicators of Exposure to Parathion and DDT. 1970
US EPA Status Report: Iminodiacetic Acid with Cover Letter. 2000
US EPA Submission Summary Report: Carbamic Acid Nitrile (Sanitized). 2000
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