Section 217.220  Applicability Exemptions

Before July 1, 2025, the provisions of this Subpart do not apply to a cement kiln or lime kiln operating under a federally enforceable limit of NO_x emissions from the kiln to less than 15 tons per year and less than five tons per ozone season.

(Source:  Amended at 49 Ill. Reg. 6355, effective April 23, 2025)