THE SSM/CIE SITE CONSISTS OF AN APPROXIMATE 3 ACRE SCRAP YARD LOCATED IN A MIXED INDUSTRIAL/RESIDENTIAL AREA IN CHICAGO, ILLINOIS. THE UNITED STATES ENVIRONMENTAL PROTECTION AGENCY FINANCED A REMOVAL ACTION, AND ASSOCIATED INVESTIGATION AND ENFORCEMENT ACTIONS, RELATED TO THE SITE. THE REMOVAL ACTION WAS COMPLETED IN JANUARY 1996, AND CAUSED THE INCURRENCE OF APPROXIMATELY $3,050,916 OF UNRECOVERED RESPONSE COSTS. AT THIS TIME, U.S. EPA SEEKS RECOVERY OF THESE COSTS FROM FOUR POTENTIALLY RESPONSIBLE PARTIES. U.S. EPA ALSO SEEKS A JUDGMENT AGAINST THE FOUR RESPONDENTS TO A UNILATERAL ADMINISTRATIVE ORDER ISSUED UNDER SECTION 106 OF CERCLA FOR CIVIL PENALTIES FOR RESPONDENTS' FAILURE TO COMPLY WITH THE UAO. THE UAO REQUIRED THE RESPONDENTS TO CONDUCT THE REMOVAL ACTION.