RAYTHEON AIRCRAFT (RAC) CURRENTLY OWNS A 38-ACRE PARCEL WITHIN THE FACILITY WHICH IS OPERATING UNDER INTERIM STATUS. THERE IS OR HAS BEEN A RELEASE OF HAZARDOUS WASTES OR HAZARDOUS CONSTITUENTS INTO THE ENVIRONMENT AT OR FROM THE FACILITY. THE ACTIONS REQUIRED BY THIS ORDER ARE NECESSARY TO PROTECT HUMAN HEALTH AND/OR THE ENVIRONMENT. A VARIETY OF WASTES, INCLUDING BUT NOT LIMITED TO IGNITABLE AND CORROSIVE CHARACTERISTIC HAZARDOUS WASTES WERE GENERATED, TREATED, STORED AND DISPOSED OF AT THE FACILITY. MANY OF THESE ACTIVITIES OCCURRED PRIOR TO THE PASSAGE OF RCRA AND RELATED REGULATIONS.