THIS CIVIL ACTION PURSUANT TO SECTION 107(A) OF THE COMPREHENSIVE ENVIRONMENTAL RESPONSE, COMPENSATION, AND LIABILITY ACT SEEKS TO RECOVER RESPONSE COSTS INCURRED BY EPA IN UNDERTAKING OR FUNDING EVALUATION FOR LISTING THE SITE ON THE NATIONAL PRIORITIES LIST; REMEDIAL ACTIVITIES PERFORMED BY THE STATE OF NEW YORK UNDER A STATE COOPERATIVE AGREEMENT WITH EPA; ENFORCEMENT ACTIVITIES; AND OVERSIGHT OF UNILATERAL ORDERS ISSUED TO ARCO TO IMPLEMENT THE SECOND OPERABLE UNIT RECORD OF DECISION AT THE SITE.