THIS ADMINISTRATIVE ORDER ON CONSENT (CONSENT: ORDER) IS ENTERED INTO VOLUNTARILY BY THE UNITED STATES ENVIRONMENTAL PROTECTION AGENCY (EPA), AND BLUE TEE CORP., AS SUCCESSOR TO. AMERICAN ZINC, LEAD AND SMELTING COMPANY AND AMERICAN ZINC COMPANY OF ILLINOIS, AND THE GENERAL SERVICES ADMINISTRATION (GSA), A FEDERAL AGENCY. THE CONSENT ORDER CONCERNS THE PREPARATION OF, PERFORMANCE OF, AND REIMBURSEMENT FOR ALL COSTS INCURRED BY EPA IN CONNECTION WITH A REMEDIAL INVESTIGATION AND A FEASIBILITY STUDY (RI AND FS OR RI/FS) FOR THE OLD AMERICAN ZINC (OAZ) SUPERFUND SITE IN FAIRMONT CITY, ILLINOIS AS WELL AS REIMBURSEMENT OF PAST RESPONSE COSTS (WITH THE EXCEPTION OF RESPONDENTS AS TO PAST RESPONSE COSTS INCURRED THROUGH THE EXECUTION OF THE REMOVAL ACTION ADMINISTRATIVE ORDER ON CONSENT). IN ADDITION, THIS CONSENT ORDER RESOLVES RESPONDENTS' CLAIMS AGAINST FEDERAL RESPONDENT RELATING TO THE FOLLOWING MATTERS REGARDING THE SITE: (A) RESPONDENTS' RESPONSE COSTS FOR RESPONSE ACTIONS UNDERTAKEN BY RESPONDENTS REGARDING THE SITE PURSUANT TO A SECTION 106 ADMINISTRATIVE ORDER ON CONSENT DATED MARCH 22, 2002 (REMOVAL
AOC); (B) RESPONDENTS' RESPONSE COSTS REGARDING THE RI/FS TO BE PERFORMED BY RESPONDENTS AT THE SITE PURSUANT TO THIS CONSENT ORDER; AND (C) FEDERAL RESPONDENT'S LIABILITY FOR EPA'S FUTURE OVERSIGHT COSTS FOR THE RI/FS.