Search Results for the EPA National Library Catalog

Items Found: 5470

Showing: Items 5451 - 5470

Your Search: (SUBJECT=Concentration Composition)


Select Item Title Year Published
Wind Tunnel Modeling Study of the Dispersion of Sulfur Dioxide in Southern Allegheny County, Pennsylvania. 1976
Wind Tunnel Study of Dispersion from Sources Downwind of Three-Dimensional Hills. 1982
Wintertime Measurements of Aerosol Acidity and Trace Elements in Wuhan, a City in Central China. 1991
Wisconsin tributary loadings to the Upper Great Lakes / 1975
Wood Smoke Impacted Air: Mutagenicity and Chemical Analysis of Ambient Air in a Residential Area of Juneau, Alaska (Journal Version). 1988
Woodsmoke and motor vehicle contribution to ambient aerosol mutagenicity / 1988
Workbook for comparison of air quality models. 1978
Workshop proceedings on primary sulfate emissions from combustion sources. 1978
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. 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 / 1989
Workshops on the Federal Reference Method for Determination of Inhalable Particles (1979, 1980). 1982
World's Air Quality Management Standards. Volume I. The Air Quality Management Standards of the World, Including United States Federal Standards. 1974
Worst Case - Best Case Determination: Tables of Dispersion Conditions for Elevated Point Sources. 1977
X-Ray Analysis of Airborne Asbestos. Interim Report: Sample Preparation. 1977
X-ray fluorescence multispectrometer for rapid elemental analysis of particulate pollutants / 1976
X-ray Microanalysis of Calcium, Potassium, and Phosphorus in Liver Mitochondria Stressed by Carbon Tetrachloride. 1985
X-Ray Powder Diffraction System for Chemical Speciation of Particulate Aerosol Samples. 1982
Yellowstone National Park Survey, May - August 1970 Includes Soda Butte Survey, May - October 1969. 1970
Yield Response of Head Lettuce ('Lactuca sativa' L.) to Ozone. 1986
Zinc: Ambient Water Quality Criteria. 1978

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