FACILTIY REPEATEDLY EXCEEDED THE MAXIMUM TEMPERATURE LIMIT ON THE KILN BAGHOUSE INLET, AND FAILED TO CALIBRATE THE THERMOCOUPLE. COMPANY FAILED TO UPDATE THE START-UP, SHUTDOWN, AND MALFUNCTION PLAN AND OPERATION AND MAINTENANCE PLAN TO REFLECT THE CHANGED AND NEW PROCESSES AT THE FACILITY. COMPANY FAILED TO MONITOR VISIBLE EMISSIONS FROM GRINDING AND FINISHING MILLS ON SEVERAL DAYS OF MILL OPERATION.