"Stationary Source" means any building, structure, facility or installation which emits or may emit any air pollutant subject to regulation under the Act or this Chapter or by USEPA under the Clean Air Act ( 42 U.S.C. 7401 et seq.).
Ill. Admin. Code tit. 35, § 203.136
Added at 12 Ill. Reg. 6118, effective March 22, 1988