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Cross-State Air Pollution Rule Update for the 2008 Ozone NAAQS (Final)
Oct. 27, 2016
EPA published the original Cross-State Air Pollution Rule (CSAPR) on 8 August 2011, to address interstate transport of ozone pollution under the 1997 NAAQS and interstate transport of fine particulate matter (PM2.5) pollution under the 1997 and 2006 PM2.5 NAAQS. The EPA is finalizing the CSAPR Update to address interstate transport of ozone pollution with respect to the 2008 ozone NAAQS. For 22 eastern states EPA is issuing Federal Implementation Plans (FIPs) that generally provide updated CSAPR NOX ozone season emission budgets for the electric generating units (EGUs) within these states, and that implement these budgets via modifications to the CSAPR NOX ozone season allowance trading program that was established under the original CSAPR. This CSAPR Update also addresses the 28 July 2015 remand by the U.S. Court of Appeals for the DC Circuit of certain states' original CSAPR phase 2 ozone season NOX emission budgets. This rule also updates the status of certain states' outstanding interstate ozone transport obligations with respect to the 1997 ozone NAAQS. This final rule is effective on December 27, 2016. POC is Mr. David Risley, Clean Air Markets Division, Office of Atmospheric Programs (Mail Code 6204M), EPA, 1200 Penn. Avenue NW.,
Washington, DC 20460; tel: 202-343-9177; email: Risley.David@epa.gov (Federal Register; 26 Oct 2016 [Rules and Regulations], pages 73478-74274).

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Last Updated: January 22, 2018