LOUISIANA-PACIFIC CORPORATION ( L-P ) OWNS AND OPERATES A HARBOARD/MEDIUM DENSITY FIBERBOARD PLANT IN OROVILLE, CALIFORNIA ( THE OROVILLE FACILITY ). THAT OROVILLE SITE WAS LISTED ON THE NATIONAL PRIORITIES LIST ( NPL ) OF THE UNITED STATES ENVIRONMENTAL PROTECTION AGENCY ( EPA ) IN FEBRUARY 1986 AS A CONTAMINATED WASTE SITE REGULATED UNDER THE COMPREHENSIVE ENVIRONMENTAL RESPONSE, COMPENSATION, AND LIABILITY ACT ( CERCLA ). ON JULY 30, 1991, REGION IX'S HAZARDOUS WASTE MANAGEMENT DIVISION DIRECTOR ISSUED AN ORDER AGAINST L-P AFTER THE FAILURE OF SETTLEMENT NEGOTIATIONS. BRIEFLY, THE ORDER REQUIRES L-P TO CONDUCT VARIOUS STUDIES, INCLUDING ARSENIC AND SOIL STUDIES, AS WELL AS GROUND WATER MONITORING OVER THE NEXT SEVERAL YEARS. REGION IX IS PREPARING TO INITIATE A COST RECOVERY SUIT AGAINST L-P TO RECOVER APPROXIMATELY 3.8 MILLION DOLLARS IN PAST COSTS (EXCLUDING INTEREST) INCURRED IN CONDUCTING A REMEDIAL INVESTIGATION, AND ENDANGERMENT ASSESSMENT REPORT, AND A FEASIBILITY STUDY IN 1989 AND 1990. THE OFFICE OF ENFORCEMENT AND THE DEPARTMENT OF JUSTICE RECEIVED A PRE-REFERRAL LITIGATION REPORT FOR THE CERCLA VIOLATIONS ON DECEMBER 24, 1990. EPA CONDUCTED A REMEDIAL INVESTIGATION/FEASIBILITY STUDY (RI/FS) FOR THE L-P SITE AFTER NEGOTIATIONS WITH L-P TO CONDUCT THE RI/FS PROVED UNSUCCESSFUL. THIS REFERRAL SEEKS ACTION UNDER CERCLA SECTION 107A OF CE