THE MARATHON OIL COMPANY, INC., HAS VIOLATED PROVISIONS OF THE NATIONAL EMISSION STANDARD FOR HAZARDOUS AIR POLLUTANTS FOR BENZENE WASTE OPERATIONS, 40 C.F.R. PART 61, SUBPART FF (CODIFIED AT 40 C.F.R. 61.340 - 61.358). SPECIFICALLY, MARATHON HAS FAILED TO IDENTIFY ALL OF THE BENZENE WASTE STREAMS AT ITS REFINERY, AND FAILED TO COMPLY WITH SPECIFIED CONTROL REQUIREMENTS. IN ADDITION, MARATHON HAS VIOLATED RELATED DOCUMENTATION AND REPORTING REQUIREMENTS.