4/29/99: VIOLATIONS OF THE NESHAPS FOR CHROMIUM EMISSIONS AND FAILURE TO PROVIDE A COMPLETE RESPONSE TO AN EPA INFORMATION REQUEST AND FAILURE TO COMPLY WITH TERMS OF AN AIR CONTROL OPERATING PERMIT ISSUED BY IDNR. 11/23/99: A CHECK, NUMBER 054896, WAS RECEIVED IN THE AMOUNT OF $30,000, WHICH PAYS THE PENALTY IN FULL.