1. SECTIONS 106 AND 107 OF THE COMPREHENSIVE ENVIRONMENTAL RESPONSE, COMPENSATION, AND LIABILITY ACT ( CERCLA ), 42 U.S.C. SECTIONS 9606 AND 9607. 2. D. L. MUD SUPERFUND SITE 20 MILES NORTH OF THE GULF OF MEXICO, AND 3 MILES SOUTH- WEST OF ABBEVILLE, LA. ABBEVILLE, VERMILION PARISH, LOUISIANA 70510 RESPONDENTS: THE DOW CHEMICAL COMPANY, INC. DOWELL SCHLUMBERGER 3. THE SITE LOCATED IN A RURAL AREA OF SOUTHERN LOUISIANA, APPROXIMATELY 20 MILES NORTH OF THE GULF OF MEXICO AND 3 MILES SOUTHWEST OF ABBEVILLE, LOUISIANA. THE SITE CON- CONSISTS OF ABOUT 12.8 ACRES, AND WAS ORIGINALLY PART OF A GENERAL ACQUISTION OF SEVERAL PARCELS OF LAN. THE POR- TION OF LAND THAT IS NOW THE SITE WAS ORIGINALLY PART OF A 25.26 ACRE PARCEL THAT WAS USED AS DRILLING MUD FACILI- TY UNTIL 1980. IN 1981, DOW CHEMICAL COMPANY PURCHASED THE 12.8-ACRE PORTION OF THE LARGER SITE THAT CONTAINED THE BARIUM SULFATE BASED DRILLING MUD BLENDING OPERATION. THE REMAINING PORTION OF THE LARGER TRACT IS NOW THE GULF COAST VACUUM SUPERFUND SITE AND LIES ADJACENT TO THE NORTH AND WEST SIDES OF THE D. L. MUD SITE. DURING OPERATIONS OF THE FACILITY PRIOR TO DIVISION OF THE PROPERTY, THE OVERAL 25.26 ACRE FACILITY CONSISTED OF THREE IMPOUNDMENTS LOCATED ON THE