PLANT BOILERS ARE IN VIOLATION OF VISUAL EMISSION STANDARDS AND MALFUNCTIONS. COMPLAINT FOR VIOLATIONS OF INDIANA SIP RULES FOR OPACITY AND PARTICULATES. ACUSTAR, INC. ( ACUSTAR ), A SUBSIDIARY OF CHRYSLER MOTORS CORP. AND FORMERLY NAMED CHRYSLER ELECTRIC, OWNS & OPERATES THE INDIANAPOLIS ELECTRIC PLANT IN INDIANAPOLIS, INDIANA. AT THIS PLANT, ACUSTAR MANUFACTURES AUTOMOTIVE COMPONENTS AND INTEGRATED COMPONENT SYSTEMS. SINCE APPROXIMATELY DECEM BER OF 1984, ACUSTAR HAS BEEN IN VIOLATION OF INDIANA STATE IMPLEMENTATION PLAN ( SIP ) RULE APC-3, WHICH LIMITS VISIBLE EMISSIONS FROM EQUIPMENT TO 40% OPACITY. THE VIOLATIONS OF APC-3 WERE DISCOVERED BY CERTIFIED SMOKE READERS EMPLOYED BY THE CITY OF INDIANAPOLIS ( CITY ). THE AIR POLLUTION DIVI- SION FOR THE CITY ISSUED SEVERAL CITATIONS TO ACUSTAR FOR VIOLATIONS OF APC-3 AND OTHER LOCAL REGULATIONS. THESE CITA TION WERE ALSO SENT TO REGION V. ON JULY 29, 1986, REGION V ISSUED A NOTICE OF VIOLATION TO ACUSTAR, CITING IT FOR VIOLATIONS OF APC-3. THE REGION HELD A SECTION 113 CONFERENCE ON AUGUST 21, 1986, AT ACUSTAR'S REQUEST. DURING THIS CONFERENCE, ACUSTAR AGREED TO PERFORM A STACK TEST ON ITS BOILERS AND TO TAKE ANY OTHER MEASURE NECESSARY TO ACHIEVE COMPLIANCE WITH THE INDIANA SIP. BASED UPON THE SOURCE'S REPRESENTATIONS THAT IT COULD COME INTO COMPLIANCE IMMEDIATELY, THE REGION FOR