THE NELSON MCCOY POTTERY SITE IS AN ABANDONED POTTERY PRODUCTION PLANT LOCATED IN A RURAL/RESIDENTIAL AREA IN ROSEVILLE, OHIO, WHICH WAS IN OPERATION FROM APPROXIMATELY 1910 TO 1990. THERE HAVE BEEN RELEASES OR THREATS OF RELEASES OF HAZARDOUS SUBSTANCES, WITHIN THE DEFINITION OF SECTION 101(14) OF CERCLA, INTO THE ENVIRONMENT AT OR FROM THE FACILITY. EPA, PURSUANT TO SECTION 106 OF CERCLA, DETERMINED THAT CONDITIONS AT THE FACILITY CONSTITUTED AN IMMINENT AND SUBSTANTIAL DANGER TO PUBLIC HEALTH OR WELFARE OR THE ENVIRONMENT. WHILE TAKING RESPONSE ACTIONS UNDER CERCLA 104 AND 106, EPA FOUND EVIDENCE AT THE FACILITY OF OPEN AND DETERIORATED DRUMS OF FLAMMABLE MATERIALS WITH UNRESTRICTED ACCESS, TANKS, GAS CYLINDERS AND OTHER CONTAINERS. SOME CONTAINERS HAD CORROSIVE WASTE, BARIUM- AND LEAD-CONTAMINATED HAZARDOUS WASTE (LIQUIDS AND SOLIDS) AND IGNITABLE MATERIALS. BETWEEN OCTOBER AND NOVEMBER 1992, EPA CONDUCTED REMOVAL ACTIVITIES AT THE FACILITY. AS PART OF ITS INVESTIGATIVE ACTIVITIES, EPA DEVELOPED INFORMATION CONCERNING POTENTIALLY RESPONSIBLY PARTIES (PRPS) BASED UPON RESPONSES TO INQUIRIES AND CERCLA 104 INFORMATION REQUESTS. RESPONDENT JGRP, INC. WAS THE OWNER OF DESIGNER ACCENTS CORP., THE LAST ACTIVE POTTERY MAKING OPERATION AT THE FACILITY, AND WAS INVOLVED WITH THE HAZARDOUS SUBSTANCES MENTIONED ABOVE