THIS ADMINISTRATIVE ORDER WAS ISSUED AGAINST CASPER WASTE OIL RECYCLING, INC. FOR CORRECTION OF A SERIOUS ENVIRONMENTAL PROBLEM AT A FACILITY LOCATED WEST OF GLENROCK, WYOMING KNOWN AS THE POWDER RIVER CRUDE OIL PROCESSORS, INC., AS A PAST CONTRIBUTOR OF WASTE AND/OR OTHER MATERIALS DEPOSITED AT THIS FACILITY. EPA HAS FOUND THAT WASTE MATERIAL AT THIS FACILITY MAY PRESENT AN IMMINENT AND SUBSTANTIAL ENDANGERMENT TO HEALTH OR THE ENVIRONMENT.