SITE DESCRIPTION: THE HI-MILL MANUFACTURING SITE IS LOCATED AT 1704 HIGHLAND ROAD IN HIGHLAND TOWNSHIP, OAKLAND COUNTY, MICHIGAN. THE HI-MILL MANUFACTURING CO. OWNS AND CONTINUES TO OPERATE THE FACILITY. THE SITE IS BOUNDED TO THE NORTHWEST BY HIGHLAND ROAD (M-59) AND ON ALL OTHER SIDES BY THE HIGHLAND STATE RECREATION AREA, WHICH IS OWNED AND OPERATED BY THE MICHIGAN DEPARTMENT OF NATURAL RESOURCES (MDNR). THE MANUFACTURING FACILITY AND PAVED PARKING AREA OCCUPY APPROXIMATELY 4.5 ACRES OF LAND. THE AREA SURROUNDING THE SITE IS RURAL AND SPARSELY POPULATED, WITH THE NEAREST HOME LOCATED APPROXIMATELY 2,000 FEET EAST-SOUTHEAST OF THE SITE ALONG WATERBURY ROAD. HIGHLAND TOWNSHIP HAS LITTLE COMMERCIAL DEVELOPMENT AND FEW MUNICIPAL SERVICES, AND MANY OF THE AREA RESIDENTS OBTAIN THEIR DRINKING WATER FROM RESIDENTIAL WELLS. TARGET POND, A MARSHY AREA OF APPROXIMATELY 8 TO 10 ACRES, IS LOCATED APPROXIMATELY 200 FEET EAST OF THE SITE BUILDING. THE NORTH ARM OF WATERBURY LAKE IS APPROXIMATELY 450 FEET SOUTH OF THE SITE, AND WATERBURY LAKE ITSELF IS LOCATED APPROXIMATELY 900 FEET SOUTH OF THE SITE. SITE HISTORY: HI-MILL BEGAN OPERATIONS IN 1946, FABRICATING COPPER-, ALUMINUM-, AND BRASS- TUBING PARTS AND FITTINGS. THE OPERATIONS CONSIST OF TWO MAIN PROCE