Policy assessment for the review of the particulate matter national ambient air quality standards [electronic resource].
Publication Info.
Research Triangle Park, North Carolina : U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, Health and Environmental Impacts Division, 2011.
Policy assessment prepared by the staff of the EPA's Office of Air Quality Planning and Standards in conjunction with the Agency's ongoing review of the national ambient air quality standards for particulate matter, which include primary (health-based) and secondary (welfare-based) standards. It presents staff conclusions regarding the current adequacy of the current suite of particulate matter standards as well as potential alternative standards for consideration in this review.
Note
"EPA 452/R-11-003."
System Details
Mode of access: World Wide Web (last viewed 1/19/2012.)