AUTHORITY: Implementing and authorized by Section 4 of the Environmental Protection Act (Ill. Rev. Stat. 1985, ch. 111½, par. 1004) and Section 5-10(a)(1) of the Illinois Administrative Procedure Act (Ill. Rev. Stat., 1991, ch. 127, par. 1004-10(a)(1)), [5 ILCS 100/5-10(a)(1)]
SOURCE: Adopted and codified at 7 Ill. Reg. 7084, effective June 15, 1983; old Part repealed, new Part adopted at 11 Ill. Reg. 16550, effective October 15, 1987.