Effective Apr 23, 202549 Ill. Reg. 6332AUTHORITY: Implementing Sections 9.1 and 10 and authorized by Sections 27 and 28 of the Environmental Protection Act [415 ILCS 5/9.1, 10, 27 and 28].POLLUTION CONTROL BOARD
"Lowest achievable emission rate" or "LAER" has the meaning given by 35 Ill. Adm. Code 203.
(Source: Amended at 49 Ill. Reg. 6332, effective April 23, 2025)