AUTHORITY: Implementing and authorized by Section 39.5 of the Environmental Protection Act (See P.A. 87-1213, effective September 26, 1992, and P.A. 88-464, effective August 20, 1993) [415 ILCS 5/39.5].ENVIRONMENTAL PROTECTION AGENCY
"Existing CAAPP source" means a CAAPP source that commenced operation prior to the effective date of the CAAPP.