Particulate matter urban-focused visibility assessment : external review draft.

Bibliographic Details
Format:	Government Document eBook
Language:	English
Published:	Research Triangle Park, North Carolina : U.S. Environmental Protection Agency, Office of Air and Radiation, Office of Air Quality Planning and Standards, Health and Environmental Impacts Division, Ambient Standards Group, 2009.
Subjects:	Particles > Environmental aspects > United States. Visibility > Measurement. Urban pollution > United States. Air quality > Standards > United States.
Online Access:	https://purl.fdlp.gov/GPO/gpo36626

Description
Item Description:	Title from title screen (viewed on May 10, 2013). "September 2009." "DRAFT - Do not quote or cite." "EPA 452/P-09-005."
Physical Description:	1 online resource (156 pages in various pagings) : illustrations (some color)
Bibliography:	Includes bibliographical references.