Definitions

(415 ILCS 47/5)     Sec. 5. Definitions. As used in this Act:     "Agency" means the Environmental Protection Agency.     "Board" means the Pollution Control Board.     "MCL" means maximum contaminant level, or the legal threshold limit on the amount of a substance that is allowed in public water systems.     "Perfluoroalkyl substance or polyfluoroalkyl substance" or "PFAS" means a class of fluorinated organic chemicals containing at least one fully fluorinated carbon atom. (Source: P.A. 103-1077, eff. 1-1-26.)