SYNOPSIS OF CASE: THE AMERICAN THIO-CHEM SITE IS AN ABANDON -ED FACILITY IS LOCATED IS A HEAVILY INDUSTRIAL, RESIDENTIAL AND COMMERCIAL DISTRICT. THE SITE HAS BEEN ABANDONED SINCE LATE 1986 OR EARLY 1987. THE SITE CONTAINS A CONCRETE AND WOOD FRAME WAREHOUSE STRUCTURE SITUATED ON APPROXIMATELY TWO AND ONE-HALF ACRES OF LAND.