1. SECTION 106(A) OF THE COMPREHENSIVE ENVIRONMENTAL RE- SPONSE, COMPENSATION, AND LIABILITY ACT ( CERCLA ), 42 U.S.C. SECTION 9606(A). 2. CANADIANOXY OFFSHORE PRODUCTION CO. 635 8TH AVE., S.W., SUITE 1500 CALGARY, ALBERTA, CANADA T2P3Z1 FACILITY: BOSSIER CITY, LOUISIANA (OLD CITGO SITE) 3. THE SITE IS LOCATED IN AN UNDEFUNED AREA OF APPROXIMATELY 215 ACRES IN BOSSIER CITY, LOUISIANA. A REFINERY OPERATED ON THE SITE FROM THE 1920'S UNTIL THE 1950'S. IN THE 1960'S, REFINERY EQUIPMENT WAS REMOVED FROM THE SITE, AND WASTE PITS WERE FILLED WITH SOIL. THE SITE WAS THEN DE- VELOPED FOR RESIDENTIAL AND COMMERCIAL USE. ON PARTS OF THE SITE, APARTMENT BUILDINGS HAVE BEEN EVACUATED DUE TO STRONG ORGANIC VAPORS. ON OCCASION, A HOTEL LOCATED ON THE SITE CANNOT USE THE FIRST FLOOR ROOMS DUE TO FUMES. AT LEAST ONE HOUSE ON THE SITE HAS HIGH CONCENTRATIONS OF BENZENE IN INDOOR AIR. TARRY SUBSTANCES OOZE OUT OF THE GROUND IN A HOTEL PARKING LOT, AND IN AT LEAST ONE RESI- DENTIAL DRIVEWAY. OPEN AREAS INCLUDING CHILDREN'S PLAY- GROUNDS IN MULTI-UNIT RESIDENTIAL AREAS ARE CONTAMINATED WITH HIGH LEVELS OF LEAD. THE SITE WAS PROPOSED FOR LISTING ON THE NATIONAL PRIORI- TIES LIST IN 1995. IN SEPT. 1995, REGION 6, THE LOUISIANA DEPT. OF ENVIRONMENTAL QUALITY (L