On September 16, 2013, EPA Region 6 issued a Consent Agreement and Final Order (CAFO) under its authority pursuant to the Clean Air Act to Diamond Shamrock Refining Company, LP. The CAFO was issued in response to violations of Section 112(r)(7) of the Clean Air Act. The CAFO requires company to pay an assessed penalty of $112,309 within 30 days of the effective date of the CAFO.