THE CASE ALLEGES THAT B.F. GOODRICH COMPANY (B.F. GOODRICH) AND THE GEON COMPANY (GEON) ARE LIABLE FOR VIOLATIONS OF THE CLEAN AIR ACT, 42 U>S>C> SS7412 AND 7414, AND THE REGULATIONS OF THE NATIONAL EMISSION STANDARD FOR HAZARDOUS AIR POLLUTANTS FOR VINYL CHLORIDE (VC NESHAP), 40 C.F.R. S61.60-.71. (SUBPART F). THIS REFERRAL INVOLVES FOUR TYPES OF SIGNIFICANT VIOLATIONS OF THE VC NESHAP AT A POLYVINYL CHLORIDE PLANT IN HENRY, ILLINOIS (HENRY FACILITY). B.F. GOODRICH WAS THE SOLE OWNER AND OPERATOR OF THE HENRY FACILITY DURING THE TIME OF THE VIOLATIONS. HOWEVER, B.F. GOODRICH'S FORMER GEON VINYL DIVISION HAS SINCE FORMED INTO A NEW AND SEPARATE COMPANY, GEON, AND ACQUIRED ASSETS AND LIABILITIES RELATING TO THE VIOLATING PROCESSES AT THE HENRY FACILITY. THE FIRST TYPE OF VIOLATIONS ARE PREVENTABLE RELIEF VALVE DISCHARGES (RVD) OF VINYL CHLORIDE ON 5 DATES F