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United States Environmental Protection Agency
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Search Results for the EPA National Library Catalog
Items Found: 5470
Showing: Items 5451 - 5470
Your Search: (SUBJECT=Concentration Composition)
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Wind Tunnel Modeling Study of the Dispersion of Sulfur Dioxide in Southern Allegheny County, Pennsylvania.
Wind Tunnel Study of Dispersion from Sources Downwind of Three-Dimensional Hills.
Wintertime Measurements of Aerosol Acidity and Trace Elements in Wuhan, a City in Central China.
Wisconsin tributary loadings to the Upper Great Lakes /
Wood Smoke Impacted Air: Mutagenicity and Chemical Analysis of Ambient Air in a Residential Area of Juneau, Alaska (Journal Version).
Woodsmoke and motor vehicle contribution to ambient aerosol mutagenicity /
Workbook for comparison of air quality models.
Workshop proceedings on primary sulfate emissions from combustion sources.
Workshop Report: Identification of Performance Parameters for Test Kit Measurement of Lead in Paint. Held in Research Triangle Park, North Carolina on January 12-13, 1993.
Workshop summary report, water quality criteria to protect wildlife resources : report on pollutants considered to pose the greatest threat to wildlife when existing water quality criteria are met /
Workshops on the Federal Reference Method for Determination of Inhalable Particles (1979, 1980).
World's Air Quality Management Standards. Volume I. The Air Quality Management Standards of the World, Including United States Federal Standards.
Worst Case - Best Case Determination: Tables of Dispersion Conditions for Elevated Point Sources.
X-Ray Analysis of Airborne Asbestos. Interim Report: Sample Preparation.
X-ray fluorescence multispectrometer for rapid elemental analysis of particulate pollutants /
X-ray Microanalysis of Calcium, Potassium, and Phosphorus in Liver Mitochondria Stressed by Carbon Tetrachloride.
X-Ray Powder Diffraction System for Chemical Speciation of Particulate Aerosol Samples.
Yellowstone National Park Survey, May - August 1970 Includes Soda Butte Survey, May - October 1969.
Yield Response of Head Lettuce ('Lactuca sativa' L.) to Ozone.
Zinc: Ambient Water Quality Criteria.
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