SPARTA MANUFACTURING COMPANY IS IN VIOLATION OF ITS STATE AIR POLLUTION CONTROL PERMIT 95-MWH-051, WHICH SETS A MINIMUM CUPOLA UPPER STACK TEMPERATURE AT NO LESS THAN 1400F WHEN THE CUPOLA IS IN OPERATION. THIS REQUIREMENT IS SET AS A CONDITION OF A BEST AVAILABLE CONTROL TECHNIQUES (BACT) EMISSIONS LIMIT FOR CARBON MONOZIDE, PER SECTION NR 405.08(2), WISCONSIN ADMINISTRATIVE CODE. BECAUSE THIS A VIOLATION OF A BACT-RELATED PERMIT CONDITION, IT IS CON- SIDERED A FEDERALLY ENFORCEABLE PERMIT CONDITION. THE VIOLATION WAS FIRST DETECTED ON JULY 31, 1997. THE COMPANY HAS TAKEN STEPS TO CORRECT THE PROBLEM AND COME INTO COM- PLIANCE (THEY NOW VIOLATE THE TEMPERATURE REQUIREMENT, ON AVERAGE, 1-2 TIMES PER MONTH FOR SHORT INTERVALS). MAY NEED A WAIVER TO COVER THE TIME PERIOD FROM JULY 31, 1997, OR JUST LOOK AT TIMES THE TEMPERATURE REQUIREMENT WAS VIOLATED IN THE LAST YEAR. FACILITY HAS FAILED TO MAINTAIN TEMPERATURE FOR POLLUTION CONTROL EQUIPMENT, HAS EMITTED CARBON MONOXIDE, AND HAS EXCEEDED OPACITY LIMITS-ALL IN VIOLATION OF A PSD PERMIT AND REQUIREMENTS OF THE WISCONSIN SIP. SPARTA WILL UPGRADE THE CONTROLS ON THE CUPOLA AFTERBURNERS AND CUPOLA EMISSIONS QUENCHER TO A PROCESS LIMITING CON- TROLLER (PLC) ALONG WITH ADDING AIRFLOW SENSORS ON THE DUCTWORK TO TWO BAGHOUSES. THESE NEW CONTROLS WILL IMPROVE PROCESS FEEDBACK THEREBY ALLOWING EA