THE AOC REQUIRES TO UNDERTAKE REMOVAL WORK AT THE FACILITY. GENERA DIE CASTING BEGAN OPERATING AT THE FACILITY IN AUGUST 1970 AS A ZINC DIE CASTTING AND ELECTROPLATING BUSINESS. GENERAL DIE CASTING OPERATED THE FACILITY UNTIL ITS CLOSURE IN DECEMBER 1988. GENERAL DIE CASTING THEN SOLD THE FACILITY IN JANUARY 1989 TO MR. WILLIAM AIKENS AN AGENT FOR A CORPORATION TO BE NAMED AT A LATER DATE ACCORDING TO THE AOC. THE FACILITY WAS OPERATED, PRIOR TO GENERAL DIE CASTING, BY THE WOLVERINE DIE CASTING COMPANY FROM THE 1950'S UNTIL 1970. WOLVERINE IS AN INDIRECT SUBSIDIARY OF NORANDA, INC. PRIOR TO THE SALE TO MR. AIKENS, GENERAL DIE CASTING HAD AN ENVIRONMENTAL ASSESSMENT CONDUCTED, INCLUDING SAMPLING THAT REVEALED POLYNUCLEAR AROMATIC HYDROCARBONS. (TOXICO REPORT IN JANUARY 1989). SAMPLING FOR CYANIDE AND SULFIDE WAS NOT DONE BY GENERAL DIE CASTING'S CONTRACTOR (TOXICO CORPORATION), BUT AN ADJACENT LANDOWNER, CS&W, HAD SAMPLES TAKEN AND ANALYZED IN JULY-SEPTEMBER 1989. THE RESULTS REVEALED ELEVATED LEVELS HEAVY METALS AND POLYNUCLEAR AROMATIC HYDROCARBONS. BEGINNING IN JULY 1990, GENERAL DIE CASTING BEGAN REMOVAL OF CERTAIN SOILS AFTER RECEIVING APPROVAL OF MDNR BASED UPON ITS EARLIER REPORT. WHILE THIS WORK WAS ONGOING CS&W CONTRACTOR, GABRIEL LABORATORIES, TOOK MORE SOIL AND SURFACE WATER SAMPLES THAT REVEALED ELEVATED