Approval and Promulgation of Air Quality Implementation Plans; Maryland; Redesignation of the Kent and Queen Anne's 8-Hour Ozone Nonattainment Area to Attainment and Approval of the Maintenance Plan

摘要

EPA is proposing to approve a redesignation request and a State Implementation Plan (SIP) revision for the Kent and Queen Anne's, MD (herein referred to as the "Kent and Queen Anne's area") area from nonattainment to attainment of the 8-hour ozone National Ambient Air Quality Standard (NAAQS). The Maryland Department of the Environment (MDE) is requesting that Kent and Queen Anne's County, Maryland (herein known as "Kent and Queen Anne's area") be redesignated as attainment for the 8-hour ozone NAAQS. The Kent and Queen Anne's-8-hour ozone nonattainment area is comprised of two counties (Kent and Queen Anne's Counties, Maryland). EPA is proposing to approve the ozone redesignation request for the Kent and Queen Anne's area. In conjunction with its redesignation request, the MDE submitted a SIP revision consisting of a maintenance plan for Kent and Queen Anne's that provides for continued attainment of the 8-hour ozone NAAQS for the next 12 years. EPA is proposing to make a determination that Kent and Queen Anne's has attained the 8-hour ozone NAAQS based upon three years of complete, quality-assured ambient air quality ozone monitoring data for 2003-2005. EPA's proposed approval of