In this action, EPA proposes identifying and limiting emissions within 32 states in the eastern United States that affect the ability of downwind states to attain and maintain compliance with the 1997 and 2006 fine particulate matter (PM2.5) national ambient air quality standards (NAAQS) and the 1997 ozone NAAQS.You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.
75 FR 45210 (PDF)(257 pp, 2 MB,
August 2, 2010)
Federal Implementation Plans To Reduce Interstate Transport of Fine Particulate Matter and Ozone