AUTHORITY: Implementing Section 10 and authorized by Sections 27 and 28 of the Environmental Protection Act [415 ILCS 5/10, 27 and 28].
SOURCE: Adopted in R08-17 at 33 Ill. Reg. 8224, effective June 8, 2009; amended in R09-19 at 35 Ill. Reg. 18846, effective October 25, 2011; amended in R12-08 at 36 Ill. Reg. 7569, effective May 4, 2012.