UNDER THE PROPOSED SETTLEMENT, THESE PARTIES WOULD RE- IMBURSE THE UNITED STATES ENVIRONMENTAL PROTECTION AGENCY ( U.S. EPA $77,785.15 FOR RESPONSE COSTS INCURRED PER- FORMING A REMOVAL ACTION AT THE SITE. THIS REPRESENTS 100% OF U.S. EPA'S READILY DOCUMENTABLE COSTS AT THE SITE AND 77.5% OF ALL RESPONSE COSTS CONTAINED IN U.S. EPA'S ACCOUNT- ING SYSTEM. UNDER THE PROPOSED SETTLEMENT, THE PRP'S ALSO RESOLVE ALL POTENTIAL CONTRIBUTION CLAIMS THEY MAY HAVE AGAINST EACH OTHER. ONE OF THE PRP--LITTON SYSTEMS INC.---PREVIOUSLY PERFORMED THE SECOND PHASE OF THE REMOVAL ACTION AT THE SITE AT A COST OF APPROXIMATELY $384,000. THUS, UPON APPROVAL OF THIS PROPOSED SETTLEMENT, PRPS WILL HAVE PAID 95% OF THE COST OF REMOVAL ACTIONS NECESSARY AT THE SITE. ON SEPTEMBER 29, 1994, U.S. EPA ENTERED AN ADMINISTRATIVE ORDER ON CONSENT ( AOC ) WITH LITTON. UNDER THAT AOC, LITTON AGREED TO: (1) DISPOSE OF THE INCINERATOR ASH AND OTHER DIOXIN-CONTAMINATED MATERIAL CONSOLIDATED IN THE ROLLOFF BOX; (2) DETERMINE THE NATURE AND EXTENT OF CON- TAMINATION OF THE INCINERATORS AND OFFICE BUILDING; (3) DEMOLISH THE BUILDINGS OR OTHERWISE CLEAN THE BUILDINGS TO ACCEPTABLE LEVELS; (4) PROVIDE FOR PROPER DISPOSAL OF ASH, SOIL AND OTHER MATERIAL AT THE DITE CONTAMINATED WITH LEAD, PCBS OR DIOXINS; (5) CONDUCT SURFACE SOIL SAMPLING AT NEIGHBORING PROPERTIES TO DETERMINE