On 3-01-11, EPA Provided notice to respondent & Texas as required by Section 113(a)(1) of the Act 42 U.S.C. 7413(a)(1) of potential violations of the Texas SIP related to changes made to the Refinery under the Flexible Permit. Marathon Petroleum timely submitted a Subchapter B permit amendment application pursuant to Paragraph 52 of the Consent Agreement and Final Order (CAFO). Specifically, Paragraph 52 required MPC to submit an application to the Texas Commission on Environmental Quality (TCEQ) for a permit amendment with public notice within six (6) months of the June 22, 2011 effective date.