This action finalizes limited approval of revisions to the Texas State Implementation Plan (SIP) concerning excess emissions which we proposed, through the parallel processing mechanism, on May 9, 2005. Specifically, we are finalizing limited approval of revisions to 30 TAC Chapter 101, General Air Quality Rules concerning excess emissions during startup, shutdown, and malfunction (SSM) activities. The action will have the effect of extending the expiration date of certain provisions from June 30, 2005 to no later than June 30, 2006. Texas has made this change to allow for additional time before these provisions expire from the SIP to submit a revised excess emissions rule for our approval into the SIP.