AUTHORITY: Implementing Sections 5, 3.160, 22.51, and 22.51a and authorized by Sections 3.160, 22.51, 22.51a, and 27 of the Environmental Protection Act [415 ILCS 5/5, 22.51, 22.51a, and 27].
SOURCE: Adopted in R06-19 at 30 Ill. Reg.14534, effective August 24, 2006; amended in R12-9 at 36 Ill. Reg. 13892, effective August 27, 2012.