1. SECTION 122(H)(1) OF THE COMPREHENSIVE ENVIRONMENTAL RE- SPONSE, COMPENSATION, AND LIABILITY ACT ( CERCLA ), AS A- MENDED ( CERCLA ), 42 U.S.C. SECTION 6922(H)(1. 2. CLEVE REBER SUPERFUND SITE SORRENTO, ASCENSION PARISH, LOUISIANA 70778 SETTLING PARTIES: VULCAN MATERIALS COMPANY, UNIROYAL CHEMICAL COMPANY, INC., NOVARTIS CROP PROTECTION, MONOCHEM, INC., AND RHONE- POULENC, INC. 3. IN RESPONSE TO THE RELEASE OR THREATENED RELEASE OF HAZ- ARDOUS SUBSTANCES AT OR FORM THE SITE, EPA UNDERTOOK RE- SPONSE ACTIONS AT THE SITE. THOSE ACTIONS INCLUDED, INTER ALIA, A SURFACE REMOVAL ACTION AND REMEDIAL INVESTIGA- TION/FEASIBILITY STUDIES. ON SEPT. 30, 1988, EPA ISSUED A UNILATERAL ADMINISTRATIVE ORDER (UAO) REQUIRING THE IM- PLEMENTATION OF THE REMEDIATION DESIGN FOR THE SITE AND THE PERFORMANCE OF OPERATION AND MAINTENANCE (O&M) SUB- SEQUENT TO COMPLETION OF IMPLEMENTATION OF THE REMEDY. THE SETTLING PARTIES ARE COMPLYING WITH THE ORDER, PER- FORMING THE ACTIONS INCLUDING WITHOUT LIMITATION O&M AS REQUIRED AT A COST OF IN EXCESS OF $53 MILLION TO DATE. IN PERFORMING THE RESPONSE ACTIONS AND IN OVERSSING THE EFFORTS OF THE SETTLING PARTIES TO COMPLY WITH THE ORDER, EPA INCURRED RESPONSE COSTS AT OR IN CONNECTION WITH THE SITE.