COMPLAINT ALLEGES THAT NORBROOK PLATING FAILED TO COMPLY WITH THE REGULATIONS OF THE NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS (NESHAPS) FOR HARD AND DECORATIVE CHROMIUM ELECTROPLATING AND CHROMIUM ANODIZING TANKS, PROMULGATED UNDER SECTION 112(B) OF THE CLEAN AIR ACT. THE COMPLAINT ALSO ALLEGES THAT NORBROOK FAILED TO COMPLY WITH THE MICHIGAN STATE IMPLEMENTATION PLAN. A STATE INSPECTION REVEALED THAT NORBROOK PLATING WAS VIO- LATING THE CHROME NESHAP. IT WAS NOT MONITORING SURFACE TENSION OF THE PLATING BATH, NOR DID IT PREPARE AN OPERATION AND MAINTENANCE PLAN. ALSO, NORBROOK FAILED TO OBTAIN CON- STRUCTION PERMITS FOR A SLUDGE DRYER AND 6 ACID TANKS PUR- SUANT TO THE SIP. NORBROOK CAME INTO COMPLIANCE AS A RESULT OF THE INSPECTION.