AUTHORITY: Implementing Sections 9.1 and 10 and authorized by Sections 27 and 28.5 of the Environmental Protection Act [415 ILCS 5/9.1, 10, 27 and 28.5].
SOURCE: Adopted and codified at 7 Ill. Reg. 9344, effective July 22, 1983; codified at 7 Ill. Reg. 13588; amended in R85-20 at 12 Ill. Reg. 6118, effective March 22, 1988; amended in R91-24 at 16 Ill. Reg. 13551, effective August 24, 1992; amended in R92-21 at 17 Ill. Reg. 6973, effective April 30, 1993; amended in R93-9 at 17 Ill. Reg. 16630, effective September 27, 1993; amended in R93-26 at 18 Ill. Reg. 6335, effective April 15, 1994; amended in R98-10 at 22 Ill. Reg. 5674, effective March 10, 1998; amended in R19-1 at 44 Ill. Reg. 14916, effective September 4, 2020.