Approval and Promulgation of Air Quality Implementation Plans; Maryland; 15% Rate of Progress Plan and Contingency Measures for the Cecil County Nonattainment Area
EPA is granting full approval of the State Implementation Plan (SIP) revision submitted by the State of Maryland, for Cecil County, part of the Philadelphia-Wilmington-Trenton severe ozone nonattainment area, to meet the 15 percent reasonable further progress (RFP, or 15% plan) requirements of the Clean Air Act (the Act). EPA is granting approval of the 15% plan and contingency measures, submitted by the State of Maryland, because the plan achieves the required 15% emission reduction. This action is being taken under section 110 of the Clean Air Act.