Fact Sheet for the proposed Revised Cross-State Air Pollution Rule Update for the 2008 Ozone NAAQS. This proposed rule addresses the summertime (May – September) transport of ozone pollution in the eastern United States that crosses state lines to help downwind states and communities meet and maintain the 2008 ozone national ambient air quality standard (NAAQS).

• Fact Sheet: Revised Cross-State Air Pollution Rule Update for the 2008 NAAQS (PDF)(6 pp, 324 K)