ADMINISTRATIVE COMPLIANCE ORDER IS ISSUED TO TEXAS EXPLORATION & PRODUCTION, INC. (TEPI). THERE ARE ABOUT 244 UNLINED PITS ASSOCIATED WITH THE GAS GATHERING SYSTEM AT THE FACILITY. ON 6/27/91 AND 3/4/92, EPA REGION IX INSPECTED SOME OF THE PITS ON NAVAJO LANDS AT THE FACILITY. SAMPLES REVEALED THE PRESENCE OF BENZENE AND ETHYLBENZENE IN AMOUNTS WHICH EXCEEDED THE MCL. ON 9/23/92, EPA REGION IX ISSUED A FINDING OF IMMINENT AND SUBSTANTIAL ENDANGERMENT THE 1992 ORDER DIRECTED TEPI TO SUBMIT A WORKPLAN TO ADDRESS THE CONTAMINATION ASSOCIATED WITH THE PITS. BASED ON THE SUBSTANTIAL WORK THAT TEPI HAS PERFORMED TO DATE, AND THE COOPERATIVE RELATIONSHIP BETWEEN EPA AND TEPI, THE PARTIES HAVE AGREED TO ISSUANCE OF THIS AOC, WHICH SUPERCEDES THE ORDER OF IMMINENT AND SUBSTANTIAL ENDANGERMENT. EPA REGION VIII IS INVOLVED WITH THIS AOC BECAUSE SEVERAL OF THE PITS ARE LOCATED IN UTAH.