=> THE SEALAND SITE IS LOCATED ON A 2 ACRE TRACT OF LAND OWNED BY CONRAIL IN MT. PLEASANT, NEW CASTLE COUNTY,DE. TO THE EAST, WEST AND SOUTH OF THE SITE, THERE ARE INDIVID- UAL RESIDENCES WITHIN 100 YDS OF THE SITE, ALL OF WHICH HAVE GROUNDWATER WELLS TO SUPPLY DRINKING WATER. => IN 1983 MEMBERS OF EPA'S RESPONSE TEAM, UPON ARRIV- ING AT THE SITE, OBSERVED DRUMS & TANKS LEAKING VARIOUS WASTE OILS & CREOSOLS ON THE GROUND. MANY OF THOSE SUBSTANCE S WERE SUBSEQUENTLY FOUND IN THE SOILS NEAR THE LEAKING CONTAINERS. => ROGER MEYER, AN EPA OSC WHO IS ALSO A CHEMIST, HAS DETERMINED THAT THE GENERATORS' RESPECTIVE WASTE OILS/CREO- SOLS CONTAINED HAZARDOUS SUBSTANCES IDENTIFIED THAT WERE FOU ND IN THE LEAKING DRUMS & TANKS & IN THE SOIL ON THE SITE. => AN EPA HYDROGEOLOGIST CONCLUDES THAT THE SITE'S GROUNDWATER NOW CONTAINS MANY OF THOSE HAZARDOUS SUBSTANCES & IS LIKELY TO FLOW IN THE DIRECTION OF THE GROUNDWATER DRINKING WATER WELLS OF A TRAILER PARK 1/4 MILE NORTH OF THE SITE. => IN RESPONSE TO THE RELEASE & THREATENED RELEASE OF HAZARDOUS SUBSTANCES AT THE SITE, EPA HAS INCURRED REMOVAL COSTS OF AT LEAST $714,639.98