AUTHORITY: Implementing Sections 7.2 and 22.4 and authorized by Section 27 of the Environmental Protection Act [415 ILCS 5/7.2, 22.4, and 27].
SOURCE: Adopted in R89-2 at 14 Ill. Reg. 3059, effective February 20, 1990; amended in R89-11 at 14 Ill. Reg. 11948, effective July 9, 1990; amended in R90-14 at 15 Ill. Reg. 11425, effective July 24, 1991; amended in R92-13 at 17 Ill. Reg. 6190, effective April 5, 1993; amended in R93-6 at 17 Ill. Reg. 15641, effective September 14, 1993; amended in R95-4 at 19 Ill. Reg. 9501, effective June 27, 1995; amended in R96-10/R97-3/R97-5 at 22 Ill. Reg. 238, effective December 16, 1997; amended in R97-21/R98-3/R98-5 at 22 Ill. Reg. 17486, effective September 28, 1998; amended in R98-21/R99-2/R99-7 at 23 Ill. Reg. 1695, effective January 19, 1999; amended in R00-11/R01-1 at 24 Ill. Reg. 18576, effective December 7, 2000; amended in R01-21/R01-23 at 25 Ill. Reg. 9161, effective July 9, 2001; amended in R02-1/R02-12/R02-17 at 26 Ill. Reg. 6835, effective April 22, 2002; amended in R06-5/R06-6/R06-7 at 30 Ill. Reg. 4053, effective February 23, 2006; amended in R06-16/R06-17/R06-18 at 31 Ill. Reg. 1407, effective December 20, 2006; amended in R17-14/R17-15/R18-12/R18-31 at 42 Ill. Reg. 25244, effective November 19, 2018.