11/08/91: SUMMARY NOT AVAILABLE. 08/04/93: THE PETRO-CHEMICAL SYSTEMS, INC. (PETROCHEM) SITE IS LOCATED IN LIVERTY COUNTY, TX, APPROXIMATELY 15 MILE S SOUTHEAST OF THE CITY OF LIBERTY. THE SITE AS PRESENTLY DEFINED COVERS NEARLY 500 ACRES AND IS BORDERED TO THE EAST BY TURTLE ABYOU AND TO THE WEST BY FARM TO MARKET ROAD (FM) 563. ACCESS IS PROVIDED BY FRONTIER PARK ROAD, WHICH TRAVERSES THE MIDDLE OF THE SITE.