ESSROC'S IN LINE KILN #2/RAW MILL SYSTEM AND CLINKER COOLER #2 HAVE VIOLATED THE PARTICULATE MATTER EMISSION STANDARDS ESTABLISHED IN THE NEW SOURCE PERFORMANCE STANDARDS FOR PORTLAND CEMENT PLANTS, GENERAL NSPS REQUIREMENTS AND THE CLEAN AIR ACT. ESSROC ALSO FAILED TO OPERATE POLLUTION CONTROL EQUIPMENT IN A MANNER CONSISTENT WITH GOOD AIR POLLUTION PRACTICE FOR MINIMIZING EMISSIONS.