Approval and Promulgation of Air Quality Implementation Plans, Tennessee; Approval of Revisions to Permit Requirements, Definitions, Exemptions, and Internal Combustion Engines Regulations

EPA is approving revisions to the permit requirements for major sources of air pollution, definitions, exemptions, and internal combustion engine regulations for the Nashville/Davidson County portion of the Tennessee State Implementation Plan (SIP). On December 28, 1995, the State submitted revisions to the Nashville/Davidson portion of the Tennessee SIP on behalf of Nashville/Davidson County. These were revisions to the permit requirements for major sources of air pollution, including revisions to the general definitions, the permit requirements, and the exemption sections. Also included was a revision to the regulations for internal combustion engines. The purpose of these amendments was to satisfy the requirements of the 1990 Clean Air Act Amendments and the comments made by EPA on previous SIP submittals. EPA is approving all of the submitted revisions, except those which were withdrawn, as noted in the paragraphs below.