AUTHORITY: Implementing Sections 7.2, 13, and 22.4 and authorized by Section 27 of the Environmental Protection Act [415 ILCS 5/7.2, 13, 22.4, and 27].

SOURCE: Adopted in R81-32 at 6 Ill. Reg. 12479, effective May 17, 1982; amended in R82-19 at 7 Ill. Reg. 14352, effective May 17, 1982; amended in R84-9 at 9 Ill. Reg. 11926, effective July 24, 1985; amended in R85-23 at 10 Ill. Reg. 13274, effective July 29, 1986; amended in R86-1 at 10 Ill. Reg. 14083, effective August 12, 1986; amended in R86-28 at 11 Ill. Reg. 6131, effective March 24, 1987; amended in R87-5 at 11 Ill. Reg. 19376, effective November 12, 1987; amended in R87-26 at 12 Ill. Reg. 2579, effective January 15, 1988; amended in R87-29 at 12 Ill. Reg. 6673, effective March 28, 1988; amended in R87-39 at 12 Ill. Reg. 13083, effective July 29, 1988; amended in R89-1 at 13 Ill. Reg. 18452, effective November 13, 1989; amended in R89-2 at 14 Ill. Reg. 3089, effective February 20, 1990; amended in R89-9 at 14 Ill. Reg. 6273, effective April 16, 1990; amended in R92-10 at 17 Ill. Reg. 5769, effective March 26, 1993; amended in R93-16 at 18 Ill. Reg. 6918, effective April 26, 1994; amended in R94-5 at 18 Ill. Reg. 18284, effective December 20, 1994; amended in R95-6 at 19 Ill. Reg. 9913, effective June 27, 1995; amended in R95-20 at 20 Ill. Reg. 11210, effective August 1, 1996; amended in R96-10/R97-3/R97-5 at 22 Ill. Reg. 532, effective December 16, 1997; amended in R99-15 at 23 Ill. Reg. 9359, effective July 26, 1999; amended in R00-11/R01-1 at 24 Ill. Reg. 18585, effective December 7, 2000; amended in R06-16/R06-17/R06-18 at 31 Ill. Reg. 438, effective December 20, 2006; amended in R11-2/R11-16 at 35 Ill. Reg. 17647, effective October 14, 2011; amended in R11-14 at 36 Ill. Reg. 1588, effective January 20, 2012; amended in R17-14/R17-15/R18-12/R18-31 at 42 Ill. Reg. 20953, effective November 19, 2018; amended in R20-8/R20-16 at 44 Ill. Reg. 15047, effective September 3, 2020.