THE KOPPERS CHARLESTON SITE IS LOCATED IN CHARLESTON, SC. THE SITE ENCOMPASSES APPROX. 102 ACRES AND IS LOCATED ON THE WEST SIDE OF THE PENINSULA FORMED BY THE ASHLEY AND COOPER RIVERS. FROM 1940 TO 1977, KOPPERS CO., INC. OPERATED A WOOD TREATING FACILITY ON THE NORTHERN 45 ACRE PORTION OF THE SITE. KOPPERS' OPERATIONS CONSISTED PRIMARILY OF TREATING LUMBER WITH CREOSOTE, PENTACHLOROPHENOL, AND CHROMATED COPPER ARSENATE. IT HAS BEEN ESTIMATED THAT FIVE TO SEVEN MILLION GALLONS OF CREOSOTE WAS RELEASED INTO THE ENVIRONMENT BY KOPPERS DURING ITS OPERATION AT THE SITE. IN 11/84, DREDGING OPERATIONS ON A 57 ACRE PROPERTY SOUTH OF THE FORMER KOPPERS PROPERTY UNCOVERED CREOSOTED POLES AND RESULTED IN A FISH KILL ON THE IMMEDIATE VICINITY OF THE ASHLEY RIVER. THIS PARCEL, ALONG WITH THE FORMER KOPPERS PARCEL, COMPRISE THE 102 ACRES OF THE SITE. KOPPERS IS THE CORPORATE PREDECESSOR TO BEAZER EAST, INC, WHICH HAS ASSUMED ALL LIABILITY INCURRED BY KOPPERS. IN 1988, EPA CONDUCTED A SITE INSPECTION TO GATHER THE NECESSARY INFO REQUIRED TO PREPARE THE HAZARD RANKING SYSTEM PACKAGE. BASED ON TEH RESULTS OF THIS INVESTIGATION, THE SITE WAS PROPOSED FOR INCLUSION ON THE NPL IN 2/92 AND BECAME FINAL IN 12/94. IN 1/93, BEAZER AGREED TO PERFORM AN RI/FS PURSUANT TO AN AOC (DOCKET # 93-02-C) TO DEFINE THE NATURE AND EXTENT OF CONTAMINATION PRESENT AT THE SITE. THE FINAL RI REPORT WAS RELEASED IN 1/95, AND THE FS WAS COM