(415 ILCS 5/3.465) (was 415 ILCS 5/3.44)
    Sec. 3.465. Sludge. "Sludge" means any solid, semi-solid, or liquid waste generated from a municipal, commercial, or industrial wastewater treatment plant, water supply treatment plant, or air pollution control facility or any other such waste having similar characteristics and effects.
(Source: P.A. 92-574, eff. 6-26-02.)