DERINGER IS A METAL FINISHING FACILITY THAT DISCHARGES POL LUTANTS INTO THE VILLAGE OF MUNDELEIN'S POTW. ON 3/15/88, UNDER 309A OF THE CWA AN AO WAS ISSUED TO DERINGER FINDING THEY FAILED TO COMPLY WITH 40 CFR PARTS 403, 413 AND 433 AND ESTABLISHING A COMPLIANCE ORDER AND SCHEDULE. EPA IS BRINGING A 309G ADMINISTRATIVE PENALTY ACTION. IN THE MEAN- TIME, DERINGER HAS REMOVED ALL PLATING EQUIPMENT AND STORED IT OFF-SITE.