ON AUGUST 24, 1993, THE DIRECTOR OF THE WASTE MANAGEMENT DIVISION, U.S. EPA REGION 5, EXECUTED A REMOVAL ADMINISTRATIVE ORDER BY CONSENT ( AOC ) PURSUANT TO WHICH THE WICKES MANUFACTURING COMPANY ( WICKES ) WILL REIMBURSE U.S. EPA FOR ALL OF ITS PAST RESPONSE COSTS AND UNDERTAKE REMOVAL ACTIVITIES AT THE IMPACT STAMPING SITE ( THE SITE ) IN ACCORDANCE WITH U.S. EPA 'S ACTION MEMORANDUM. ALSO, THE DIRECTOR ISSUED A REMOVAL UNILATERAL ADMINISTRATIVE ORDER ( UAO ) REQUIRING OTHER POTENTAILLY RESPONSIBLE PARTIES ( PRPS ) ASSOCIATED WITH THE SITE TO PARTICIPATE IN THE CLEANUP OF THE SITE CONSISTENT WITH THE ACTION MEMORANDUM AND THE AOC. IN SHORT, UNDER THE TERMS OF THE AOC, WICKES WOULD REIMBURSE U.S. EPA FOR ALL OF ITS PAST RESPONSE COSTS AND UNDERTAKE REMOVAL ACTIVITIES AT THE SITE IN ACCORDANCE WITH US. EPA'S ACTION MEMORANDUM. PURSUANT TO THE UAO, U.S. EPA WOULD ORDER OTHER FINANCIALLY VIABLE PRPS WHO HAVE RECEIVED GENERAL NOTICE LETTERS BUT WHO HAVE REFUSED TO COOPERATE VOLUNTARILY IN REMOVAL ACTIVITIES AT THE SITE TO PARTICIPATE IN THE CLEANUP OF THE SITE CONSISTENT WITH THE ACTION MEMORANDUM AND THE AOC. TWO OF THE PROPOSED UAO RECIPIENTS ARE CURRENTLY RESIDENTS OF CANADA, HOWEVER U.S. EPA REGION 5 HAS RECEIVED CLEARANCE FROM U.S. EPA'S OFFICE OF INTERNATIONAL ACTIVITIES AND THE U.S. STATE DEPARTMENT TO ISSUE THE UAO TO THE CANADIANS.