In this action, EPA limits the interstate transport of emissions of nitrogen oxides (NOX) and sulfur dioxide (SO2) that contribute to harmful levels of fine particle matter (PM2.5) and ozone in downwind states.You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.
76 FR 48208 (PDF)(277 pp, 3 MB,
August 8, 2011)
Federal Implementation Plans: Interstate Transport of Fine Particulate Matter and Ozone and Correction of SIP Approvals