- (a) At the time a significant modification is made or, if no significant modification is made, no later than 7 years after the date of issuance of the permit, the owner or operator of an affected source shall perform a new BACT analysis and submit it to the department.
- (b) If as a result of the BACT analysis the department establishes any BACT limit that is more stringent than the existing BACT limit, the source shall comply with the new limit(s) within 3 years of the date the limit is established.
Source. #8654, eff 6-8-06; ss by #10175, eff 9-1-12; ss by #13510, eff 12-17-22