THE PROOF OF CLAIM ARISES FROM CERCLA RESPONSE ACTIONS WHICH THE UNITED STATES HAS TAKEN AT THE AVTEX FIBERS FRONT ROYAL, VIRGINIA SUPERFUND SITE. EPA'S PAST RESPONSE COSTS AT THE SITE ARE IN EXCESS OF $24,000,000. EPA ESTIMATES THAT TOTAL COSTS AT THE SITE MAY WELL REACH $100,000,000.