AUTHORITY: Implementing and authorized by Sections 19.1 through 19.8 of the Environmental Protection Act [415 ILCS 5/19.1-19.8]
SOURCE: Adopted at 14 Ill. Reg. 8121, effective May 14, 1990; amended at 20 Ill. Reg. 15598, effective November 26, 1996; amended at 27 Ill. Reg. 13430, effective July 25, 2003.