ACTION IN COST RECOVER TO RECOUP PAST RESPONSE COSTS. 08/15/00: RECOMMENDED DEFENDANTS HAD BEEN REFERRED IN PREVIOUS REFERRAL (9/10/98) UNDER SECTION 107 OF CERLCA. DEFENDANTS THEN AGREED TO PERFORM RD/RA SO REFERRAL IS BEING SUPPLEMENTED TO ADD COUNT UNDER SECTION 106 OF CERCLA ACTION IN COST RECOVER TO RECOUP PAST RESPONSE COSTS.