1. VOLUNTARY DISCLOSURE PURSUANT TO THE EPA'S POLICY GUID- ANCE, INCENTIVES FOR SELF-POLICING: DISCOVERY, DISCLO-SURE, CORRECTION AND PREVENTION OF VIOLATION. 2. HUNTSMAN PETROCHEMICAL CORPORATION - O & O PLANT SPUR 136 AT GRIGSBY PORT NECHES, JEFFERSON COUNTY, TEXAS 77651 3. RESPONDENT, UNDER THE SELF-POLICING POLICY, DISCLOSED A VIOLATION OF SECTION 112 OF THE CAA BY