THE MIDVALE SLAG SUPERFUND SITE ENCOMPASSES APPROXIMATELY 530 ACRES AND IS LOCATED 12 MILES SOUTH OF SALT LAKE CITY. THE SITE IS DIVIDED INTO 2 OPERATIONAL UNITS(OU). THE 1ST OU'S HISTORY REVEALED THAT THERE WAS NO INDUSTRIAL ACTIVITY. THE SMELTING ACTIVITIES ARE PRESUMED TO ACCOUNT FOR THE CONTAMINATION. OU2 IS THE LOCATION OF A FORMER SMELTING AND REFINING FACILITY. THE ACTIVITIES CONDUCTED AT OU2 RESULTED IN THE PRODUCTION OF A LARGE AMOUNT OF WASTE MATERIALS CONTAINING ELEVATED CONCENTRATIONS OF HEAVY METALS. THESE HEAVY METALS HAVE RESULTED IN THE CONTAMINATION OF SOILS AND GROUND WATER. EPA HAS THUS FAR SPENT APPROXIMATELY $5,180,000 ON THE CLEANUP. SHARON STEEL HAS PAID APPROXIMATELY 5 MILLION OF THAT TOTAL. FUTURE COSTS ARE ESTIMATED TO BE AROUND $31 MILLION, HOWEVER, THE U.S. WILL NOT SEEK TO RECOVER THAT AMOUNT. NEGOTIATIONS ARE BEING HELD TO DETERMINE THE AMOUNT OF RECOVERY NEEDED FOR OU1 & OU2.