Approval and Promulgation of Air Quality Implementation Plans; Texas; Prevention of Significant Deterioration; Greenhouse Gas Tailoring Rule Revisions

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The Environmental Protection Agency (EPA) is approving portions of two revisions to the Texas State Implementation Plan (SIP) submitted by the Texas Commission on Environmental Quality (TCEQ) to the EPA on October 5, 2010, and April 16, 2014. Together, these two SIP submittals revise the Texas Prevention of Significant Deterioration (PSD) Program to provide for the regulation of greenhouse gas (GHG) emissions and clarify the applicability of Best Available Control Technology (BACT) for all PSD permit applications. The EPA is approving portions of the October 5, 2010, and April 16, 2014, SIP revisions to the Texas SIP and New Source Review (NSR) permitting program as consistent with federal requirements for PSD permitting of GHG emissions. The EPA is taking no action on the portion of the October 5, 2010, SIP revision which pertains to the Texas Minor NSR program for Qualified Facilities and portions of the April 16, 2014, submittal that appear no longer appropriate for inclusion in the Texas SIP after the recent United States Supreme Court decision discussing greenhouse gas emissions. The EPA is approving this action under Section 110 and Part C of the Clean Air Act (CAA). In a sep