Policy assessment for the review of the particulate matter national ambient air quality standards
Subtitle: preliminary draft
Publisher: 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
Published: 2009
Place of publication: Research Triangle Park, N.C
Language: eng
Format: [electronic resource] :
Number of pages: 312
Subjects: Air quality management; Air quality; Standards; Particles; Environmental aspects; Health aspects
Notes: Title from PDF title screen (viewed May 7, 2010).

"EPA-452/P-09-007."

"September 2009."

Includes bibliographical references.