Approval and Promulgation of Air Quality Implementation Plans; Ohio; Redesignation of the Cleveland-Akron-Lorain Area to Attainment of the 1997 Annual Standard and 2006 24-Hour Standard for Fine Particulate Matter

摘要

As Ohio requested, EPA is redesignating the Cleveland-Akron- Lorain, Ohio nonattainment area (Cleveland area) to attainment for the 1997 annual and 2006 24-hour National Ambient Air Quality Standards (NAAQS or standards) for fine particulate matter (PM 2.5 ) because the area meets the statutory requirements for redesignation under the Clean Air Act (CAA). The Ohio Environmental Protection Agency (Ohio EPA) submitted these requests to EPA on October 11, 2011, and May 30, 2012, and supplemented them on April 30, 2013. EPA is also taking several related actions. EPA is making a determination that the Cleveland area attained the 2006 24-hour PM 2.5 standard by its attainment date and that the area continues to attain both the 1997 annual and 2006 24-hour standards. EPA is approving, as revisions to the Ohio State Implementation Plan (SIP), the state's plans for maintaining the 1997 annual and 2006 24-hour PM 2.5 NAAQS through 2023 in the area. EPA is approving the comprehensive emissions inventories submitted by Ohio EPA for nitrogen oxides (NO X ), sulfur dioxide (SO 2 ), primary PM 2.5 , volatile organic compounds (VOC), and ammonia as meeting the requirements of the CAA. Finally, EP