NOV IS TO BE ISSUED PURSUANT TO SECTION 113(A)(1) OF THE CLEAN AIR ACT (CAA) TO NOTIFY CENTRAL ILLINOIS PUBLIC SERVICE COMPANY THAT ITS UNITS 1 AND 2 AT THE COFFEEN GENERATING STATION ARE IN VIOLATION OF ILLINOIS' SIP, RULE 202 RE: VISUAL EMISSION STANDARDS AND LIMITATIONS AND RULE 204 RE: SULFUR STANDARDS AND LIMITATIONS. U.S. EPA EVIDENCE CONSISTS OF VISIBLE EMISSION OBSERVATIONS AND COAL ANALYSIS DATA. THE CIP COFFEEN FACILITY IS A MAJOR SOURCE LOCATED IN AN ATTAINMENT ARE FOR TSP AND SO2.