Notwithstanding Section 217.180, the provisions of this Subpart do not apply to a process heater operating under a federally enforceable limit of NOx emissions from such heater to less than 15 tons per year and less than five tons per ozone season.
Ill. Admin. Code tit. 35, § 217.182
Added at 33 Ill. Reg. 13345, effective August 31, 2009