THE NIAGARA COUNTY REFUSE SUPERFUND SITE INCLUDES A FORMER MUNICIPAL LANDFILL WHICH BETWEEN 1968 AND 1976 RECEIVED INDUSTRIAL WASTE AND OTHER WASTE. THE REMEDIAL INVESTIGATION DISCLOSED HAZARDOUS SUBSTANCES IN ALL SITE MEDIA INCLUDING VOLATILE ORGANIC COMPOUNDS, SEMI-VOLATILE ORGANIC COMPOUNDS, PESTICIDES, AND METALS. THE REMEDY SELECTED IN A RECORD OF DECISION ISSUED ON SEPTEMBER 24, 1993, WHICH INCLUDES CONSTRUCTION OF A CAP OVER THE LANDFILL AND ASSOCIATED ACTIVITIES, HAS A PRESENT VALUE, INCLUDING THE OPERATION AND MAINTENANCE ESTIMATED TO BE $19,800,000. EPA HAS OUTSTANDING PAST COSTS IN EXCESS OF $1,000,000. THE PRPS INCLUDE GENERATORS OF INDUSTRIAL WASTE DISPOSED OF AT THE LANDFILL, TRANSPORTERS OF INDUSTRIAL WASTE, AND FOUR MUNICIPALITIES WHICH EITHER OWNED AND OPERATED THE SITE, PRESENTLY OWN THE SITE, OR WHICH GENERATED OR TRANSPORTED WASTES DISPOSED OF AT THE SITE. EPA WILL SEEK TO HAVE THE PRPS PERFORM THE SELECTED REMEDY AND REIMBURSE IT FOR ITS PAST COSTS.