The EPA particulate matter research program : what have we learned about PM since 1997? : executive summary.

Bibliographic Details
Corporate Author:	United States. Environmental Protection Agency. Office of Research and Development
Format:	Government Document eBook
Language:	English
Published:	Washington, DC : U.S. Environmental Protection Agency, Office of Research and Development, [2004]
Subjects:	Particles > Environmental aspects > United States. Air > Pollution > Research > United States.
Online Access:	https://purl.fdlp.gov/GPO/LPS110170

Description
Item Description:	Title from title screen (viewed on Mar. 16, 2009). "July 2004." "EPA 600/S-04/057." Electronic resource.
Physical Description:	54 pages : digital, PDF file.
Format:	Mode of access: Internet from the EPA web site. Address as of 3/16/09: http://www.epa.gov/pmresearch/pm%5Fresearch%5Faccomplishments/pdf/pm%5Fexecutive%5Fsummary.pdf ; current access available via PURL.
Bibliography:	Includes bibliographical references (page 54).