Approval and Promulgation of Air Quality Implementation Plans; Delaware; Attainment Demonstration for the 1997 8-Hour Ozone National Ambient Air Quality Standard for the Philadelphia-Wilmington-Atlantic City Moderate Nonattainment Area

EPA is proposing to approve the attainment demonstration portion of the attainment plan submitted by the State of Delaware through the Delaware Department of Natural Resources and Environmental Control (DNREC) as a State Implementation Plan (SIP) revision that demonstrates attainment of the 1997 8-hour ozone national ambient air quality standard (NAAQS) for the Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE, moderate nonattainment area (Philadelphia Area) by the applicable attainment date of June 2011. EPA has determined that Delaware's SIP revision meets the applicable requirements of the Clean Air Act (CAA). This action is being taken in accordance with the CAA.

Agency Contact: Rose Quinto, (215) 814-2182, or by email at quinto.rose@epa.gov.