Approval and Promulgation of Air Quality Implementation Plans; Texas; Revisions to the 1-Hour Ozone Plan for the Beaumont/Port Arthur Area: Control of Air Pollution From Volatile Organic Compounds, Nitrogen Compounds, and Reasonably Available Control Technology

EPA is approving part of two Beaumont-Port Arthur (BPA) State Implementation Plan (SIP) revisions that were submitted separately by the State of Texas on October 15, 2005. The revisions being approved pertain to volatile organic compound (VOC) control requirements for batch processing and ship building and ship repair, and also to Reasonably Available Control Technology (RACT) requirements, for the Beaumont/Port Arthur (BPA) 1-hour ozone serious nonattainment area. In today's action, EPA is approving: The State's changes to the batch process rules and the shipbuilding and ship repair rules that lower the threshold for affected sources of VOC emissions to the serious area requirements of 50 tons per year (tpy), and the State's demonstration that the BPA area meets RACT requirements for sources of VOC and NO<INF>X</INF> emissions for the 1-hour ozone standard. These revisions meet statutory and regulatory requirements, and are consistent with EPA's guidance. The EPA is approving these revisions pursuant to section 110 and part D of the Federal Clean Air Act (the Act).