THE 37-ACRE WOODLAWN LANDFILL SITE IS LOCATED IN COLORA, CECIL COUNTY, MARYLAND, A MIXED RESIDENTIAL AND RURAL AREA WHICH RELIES ON GROUNDWATER FOR DRINKING WATER. THE COUNTY-OWNED LANDFILL WAS FORMERLY USED FOR THE DISPOSAL OF MUNICIPAL, INDUSTRIAL AND AGRICULTURAL WASTES. A REMEDIAL INVESTIGATION/FEASIBILITY STUDY PERFORMED BY THE FIRESTONE TIRE AND RUBBER COMPANY AND CECIL COUNTY REVEALED THAT GROUNDWATER BENEATH THE LANDFILL, AND BENEATH PROPERTIES ADJOINING THE LANDFILL, IS CONTAMINATED WITH CHEMICALS AT LEVELS THAT EXCEED MAXIMUM CONTAMINANT LEVELS ( MCLS ) FOR PUBLIC DRINKING WATER SUPPLIES AND/OR RISK-AND HEALTH-BASED CONCENTRATIONS. SITE-RELATED CONTAMINANTS WERE FOUND IN TWO NEARBY RESIDENTIAL WELLS. IN ADDITION, CONTAMINANTS POTENTIALLY HAZARDOUS TO ECOLOGICAL RECEPTORS WERE FOUND IN SITE SOILS AND SEDIMENTS. A STREAM THAT FLOWS ACROSS THE SOUTHERN TIP OF THE SITE CONTAINS METALS AT LEVELS WHICH EXCEED FEDERAL AMBIENT WATER QUALITY CRITERIA FOR THE PROTECTION OF ACQUATIC LIFE. EPA'S RECORD OF DECISION FOR THE SITE, WHICH WAS ISSUED SEPTEMBER, 28, 1993, REQUIRES CAPPING THE LANDFILL, PUMPING AND TREATING THE CONTAMINATED GROUNDWATER, MONITORING THE GROUNDWATER, THE LANDFILL GAS AND THE STREAM, FENCING THE PERIMETER OF THE SITE, AND IMPOSING DEED AND GROUNDWATER USE RESTRICTIONS. CECIL COUNTY, THE OWNER OF THE LANDFILL, AND THE NAVY, A GENERATOR OF WASTES DISPOSED THERE, WERE AMONG TEN ENTITIES THAT RECEIVED SPECIAL NOTICE LETTERS SENT OUT BY E