9/9/05 - NOTICE OF DETERMINATION ISSUED. IN A LETTER DATED OCTOBER 21, 2002, CROMPTON NOTIFIED EPA OF A POTENTIAL VIOLATION OF PERMITTED AIR EMISION LIMITS, AND IN A LETTER DATED MAY 16, 2005, CROMPTON ADMITTED A VIOLATION OF CONDITION 13 OF ITS AIR PERMIT. AIR PERMIT NO. 501-0007-Z002, ISSUED BY ADEM ON JANUARY 17, 2002, PROVIDES, AT CONDITION 13, THAT AVERAGE NITROGEN OXIDES EMITTED...SHALL NOT EXCEED 8.9 POUNDS/HOUR... ADEM ISSUED THIS PERMIT UNDER ITS AIR PERMIT PROGRAM OPERATED PURSUANT TO EPA-APPROVED REGULATIONS THAT HAVE BEEN INCORPORATED INTO ALABAMA'S FEDERALLY ENFORCEABLE SIP AT 40 CFR 52.50. SECTION 113 OF THE CAA PROVIDES FOR FEDERAL ENFORCEMENT OF SIP REQUIREMENTS. VIOLATION 1: CROMPTON EXCEEDED ITS PERMIT LIMIT OF 8.9 POUNDS/HOUR FOR NOx LISTED IN CONDITION 13 OF ITS AIR PERMIT ISSUED BY ADEM