CERCLA SECTIONS 106A AND 107A REGARDING THE FIBERS PUBLIC SUPPLY WELLS SUPERFUND SITE, IN GUAYAMA, PUERTO RICO. FIBERS INTERNATIONAL CORP BEGAN OPERATING THE INDUSTRIAL AREA TO MANUFACTURE NYLON FIBERS IN NOVEMBER 1966 AND CONTINUED UNTIL FEBRUARY 1976. PHILLIPS PETROLEUM CO WAS THE MAJORITY STOCKHOLDER OF FIC. THE PROPERTY ON WHICH THE PLANT WAS OPERATED AND CONSTRUCTED WAS OWNED BY THE COMMONWEALTH OF PUERTO RICO THROUGH THE PUERTO RICO LAND ADMINISTRATION UNTIL IT WAS SOLD TO THE PUERTO RICO SOUTHERN INDUSTRIAL CO, THE CURRENT OWNER OF THE PROPERTY. IN FEBRUARY 1976, THE CHEVRON CHEMICAL CO OF PUERTO RICO PURCHASED THE FIC FACILITY WHICH WAS THEN EXPANDED TO INCLUDE THE PRODUCTION OF POLYPROPYLENE FIBERS. BOTH FIC AND CCPR PURCHASED AND USED SOLVENTS AND OTHER ORGANIC CHEMICALS AT THE FACILITY. DEGREASING SOLVENTS WERE USED TO CLEAN THE SPINNING MACHINERY. THE WASTE WATER CONTAINING SOME OF THE SOLVENTS WAS DIRECTED TO TWO SETTLING LAGOONS LOCATED NEAR THE SOUTHWESTERN CORNER OF THE PROPERTY THROUGH THE PROCESS SEWER SYSTEM. CCCPR COMPLETED INSTALLATION OF AN ON-SITE WASTE WATER TREATMENT SYSTEM FOR PROCESS AND SANITARY WASTE WATER IN JULY 1978. TREATED EFFLUENT FROM THIS NEW SYSTEM WAS DIVERTED TO THE SETTLING LAGOONS PRIOR TO DISCHARGE UNDER A NPDES PERMIT. ON 9/1/84, THE SITE WAS PLACED ON THE NATIONAL PRIORITIES LIST. IN DECEMBER 1986, AHP ENTERED INTO AN ADMINISTRATIVE ORDER ON CONSENT WITH EPA, PURSUANT TO SECTION 106 OF CERCLA IN WHICH THEY