OPACITY/VISIBLE EMISSIONS FROM MOTAL SHREDDOR OPERATION. VALIDITY OF RULE 202(F) - INVALID ONLY AS TO BOILERS. NOV REVIEWED 10/28/87 BUT NOT ISSUED. INSPECTION 10/21/87 BY CENTRAL DISTRICT OFFICE FOUND NO FURTHER VIOLATIONS. CLIF- TON FACILITY RESOLVED 11/11/87 BY MEMORANDUM OF REFERRAL TO ILLINOIS ATTORNEY GENERAL TO ENFORCE REVIEW ILLINOIS POLLU- TION CONTROL BOARD. USEPA DEFER TO STATE ENFORCEMENT, RE- MOVED FROM SIGNIFICANT VIOLATIONS LIST PER G. CZERNIAK 8/16/ 88. MAGNOLIA FACILITY- 114 LETTER ISSUED 12/1/87. COMPANY RESPONSE 1/3/88 CERTIFYING MAGNOLIA OPERATIONS SHUT DOWN. NO FURTHER ENFORCEMENT ACTION CONTEMPLATED.