THE PRESENT ACTION AGAINST AN OWNER/OPERATOR, A NUMBER OF GENERATORS AND A TRANSPORTER SEEKS TO RECOVER ALL COSTS INCURRED AND TO BE INCURRED AT THE CHARLES GEORGE LAND RECLAMATION TRUST, LOCATED IN TYNGSBOROUGH, MASSACHUSETTS. THE SITE IS A PRIVATELY OWNED 70 ACRE LANDFIL WHICH WAS OPERATED BY ITS PRESENT OWNERS FROM 1969 TO 1983 WHEN IT WAS ABANDONED. MUNICIPALITIES AND INDUSTRIES DISPOSED OF THEIR SOLID AS WELL AS HAZARDOUS WASTE AND/OR SUBSTANCES AT THE SITE DURING THE ABOVE-MENTIONED PERIOD OF TIME. EPA HAS UNDERTAKEN VARIOUS REMOVALS, RI/FSS AND REMEDIAL ACTIONS AT THE SITE. IN SEPTEMBER 1983, EPA BEGAN EMERGENCY ACTIONS AT THE SITE WHICH INCLUDED THE CONSTRUCTION OF A TEMPORARY WATER LINE, APPLICATION OF COVER MATERIAL TO SOME EXPOSED REFUSE; CONSTRUCTION OF A FENCE; AND TECHNICAL ASISTANCE FROM A CONTRACTOR FOR CERTAIN EMERGENCY MEASURES, INCLUDING A SITE SAFETY PLAN AND AN AIR MONITORING PROGRAM. SINCE 1980, EPA HAS PERFORMED VARIOUS RI/FSS. THESE ARE: A PRELIMINARY SITE ASSESSMENT; FIELD INVESTIGATIONS OF UNCONTROLLED HAZARDOUS WASTE SITES; WATER SUPPLY ALTERN- ATIVES; REMEDIAL ACTION MASTER PLAN; SOURCE ORIENTED FEASIBILITY STUDY; FEASIBILITY STUDY ON TREATMENT OF LEACHATE; WETLANDS ASSESSMENT; PRELIMINARY REMEDIAL INVESTIGATION REPORT; ENDANGERMENT ASSESSMENT; REMEDIAL INVESTIGATION REPORT; FEASIBILITY ST