THE WARWICK LANDFILL SUPERFUND SITE (THE SITE ) IS LOCATED APPROXIMATELY ONE AND ONE-HALF MILES NORTHEAST OF THE VILLAGE OF GREENWOOD LAKE IN THE TOWN OF WARWICK, ORANGE COUNTY, NY. THE LANDFILL MOUND TRANSECTS A SMALL VALLEY AND OCCUPIES APPROXIMATELY 13 ACRES OF A 25 ACRE LEASEHOLD PARCEL. THE SITE WAS OWNED AND FARMED BY THE PENALUNA FAMILY FROM 1898 TO THE MID-1950S, WHEN THE TOWN OF WARWICK LEASED THE PROPERTY FROM THE PENALUNA FAMILY AND UTILIZED IT AS A RE- FUSE DISPOSAL AREA. THE FACILITY ACCEPTED MUNICIPAL WASTES FROM THE SURROUNDING TOWNS IN ORANGE COUNTY. RECENT EVIDENCE INDICATES THAT SOME INDUSTRIAL WASTE CONTAINING HAZARDOUS SUBSTANCES WAS ALSO SENT TO THE SITE DURING THE TOWN OF WARWICK'S OPERATION. THE TOWN OF WARWICK OPERATED THE LANDFILL UNTIL 1977. THE LANDFILL WAS REGULATED BY THE ORANGE COUNTY DEPT. OF HEALTH ( OCDOH ) DURING THIS TIME. IN APRIL 1977, THE SITE WAS LEASED FROM THE PROPERTY OWNER MRS. MILLIE MAE PENALUNA, BY GRACE DISPOSAL AND LEASING, LTD. ( GRACE DISPOSAL ), HARRIMAN, NY. ON JULY 15, 1977, GRACE DISPOSAL WAS GRANTED A PERMIT TO OPERATE THE REFUSE DISPOSAL AREA BY OCDOH. REGULATION OF SANITARY LANDFILLS WAS THEN TAKEN OVER BY THE NYSDEC. GRACE DISPOSAL APPLIED FOR A SANITARY LANDFILL PERMIT WITH NYSDEC ON FEB. 28, 1978 AND OPERATED UNDER A TEMPORARY PERMIT BASED ON THE TIMELY COMPLETION OF ITS PERMIT APPLICATION.