THIS SITE WAS FORMERLY USED AS A WOOD TREATING FACILITY BY NATIONAL WOOD PRESERVERS, INC FROMM 1942 UNTIL 1991, THE OPERATORS OF THE SITE DISPOSED OF WOOD TREATING CHEMICALS AT THE SITE THROUGHOUT THIS PERIOD OF TIME. HAZARDOUS SUBSTANCES MIGRATED FROM THE FACILITY TO THE ADJOINING PROPERTIES. EPA IS CURRENTLY PERFORMING A NON-TIME CRITICAL REMOVAL AT THE SITE. COSTS TO DATE TOTAL APPROXIMATELY $7.2 MILLION AND ARE EXPECTED TO INCREASE TO APPORXIMATELY $12 MILLION.