AUTHORITY: Implementing and authorized by Sections 19.1 through 19.9 of the Environmental Protection Act [415 ILCS 5/19.1 through 19.9].
SOURCE: Adopted at 13 Ill. Reg. 7351, effective May 1, 1989; amended at 16 Ill. Reg. 15073, effective September 21, 1992; recodified at 19 Ill. Reg. 11450, effective August 11, 1995; amended at 20 Ill. Reg. 788, effective January 1, 1996; amended at 30 Ill. Reg. 15590, effective September 18, 2006; emergency amendment at 33 Ill. Reg. 8546, effective June 2, 2009, for a maximum of 150 days; amended at 33 Ill. Reg. 15450, effective October 28, 2009.