AUTHORITY: Implementing Sections 25d-3(c) and 25d-7(a) and authorized by Section 25d-7(a) of the Environmental Protection Act [415 ILCS 5].
SOURCE: Adopted in R06-23 at 30 Ill. Reg. 15756, effective September 15, 2006; amended in R14-23 at 39 Ill. Reg. 3968, effective February 26, 2015; amended in R18-30 at 43 Ill. Reg. 11637, effective September 25, 2019.