A. SITE HISTORY: THE BYPASS 601 GROUNDWATER CONTAMINATION SITE (THE SITE) IS DEFINED AS AN AREA LOCATED ON THE WESTERN EDGE OF CONCORD, NORTH CAROLINA, IN WHICH GROUNDWATER IS CONTAMINATED BY MULTIPLE SOURCES. THE CITY OF CONCORD IS THE COUNTY SEAT FOR CABARRUS COUNTY. U.S. HIGHWAY 29/ROUTE 601 BYPASS PROVIDES ACCESS TO THE CITIES OF KANNAPOLIS, APPROXIMATELY SIX (6) MILES NORTH, AND CHARLOTTE, APPROXIMATELY TWENTY-ONE (21) MILES SOUTHWEST OF THE SITE. THE SITE CONSISTS OF THE MARTIN SCRAP RECYCLING (MSR) FACILITY, AN INACTIVE BATTERY SALVAGE AND RECYCLING OPERATION, AS WELL AS TEN (10) ADDITIONAL SOURCE AREAS WHICH HAVE CONTRIBUTED TO GROUNDWATER CONTAMINATION (EXHIBIT A). THESE TEN ADDITIONAL SOURCE AREAS INCLUDE PRIVATE RESIDENCES, AS WELL AS PRIVATE OPERATING AND NON-OPERATING SMALL BUSINESSES. THE MSR FACILITY BEGAN BATTERY RECYCLING OPERATIONS IN 1967 UNDER THE OWNERSHIP AND OPERATION OF OLIVER MARTIN (ALTHOUGH THE PROPERTY WAS CO-OWNED BY OLIVER'S WIFE, CARRIE MARTIN). FROM 1955-1966, OLIVER MARTIN OPERATED A SIMILAR ENTERPRISE UNDER THE NAME OF OLIVER MARTIN BATTERY SALVAGE. OLIVER MARTIN BATTERY SALVAGE WAS LOCATED ON A PIECE OF PROPERTY JUST ACROSS THE STREET FROM THE PRESENT MSR FACILITY. OLIVER MARTIN CLOSED THE BUSINESS IN 1966, AND SOLD THE PROPERTY, WHICH IS NOW ONE OF THE TEN (10) ADDITIONAL SOURCE AREAS INCLUDED IN THE SITE DESCRIPTION. OLIVER MARTIN OPERATED THE CURRENT MSR FACILITY FROM 1967 TO 1979. IN 1979, OLIVER SOL