EPA LISTED THE PGA SUPERFUND SITE ON THE NPL IN 1983 FOR CLEANUP OF RELEASES OF TCE AND CHROMIVM INTO GRAND WATER. SINCE 1983, EPA HAS BEEN CONDUCTING THE RI/FS FOR THE SITE. THE SOUTHERN PORTION OF THE SITE CONTAINS CONTAMINATION FROM FORMERLY OWNED DEPARTMENT OF DEFENSE FACILITY AND A FACILITY CURRENTLY OWNED BY LORAL CORPORATION, PREVIOUSLY OWNED BY GOODYEAR TIRE AND RUBBER. IN SEPTEMBER 1987, EPA EXECUTED A ROD FOR AN OPERABLE UNIT TO CONTAIN THE SPREAD OF GROUND WATER CONTAMINATION. EPA ISSUED SPECIAL NOTICE LETTERS TO GOODYEAR AND THE DEPARTMENT OF DEFENSE SEEKING THEIR PARTICIPATION IN THE OPERABLE UNIT.