AUTHORITY: Implementing and authorized by Section 1401(1)(D) of the Safe Drinking Water Act [42 USC 300f(1)(D)], Subpart C of the National Interim Primary Drinking Water Regulations [40 CFR 141.21 through 141.30], the Clean Water Act [32 USC 1251], the Illinois Environmental Protection Act [415 ILCS 5], and authorized by Section 4(n) and (o) of the Illinois Environmental Protection Act [415 ILCS 5/4(n) and (o)].
SOURCE: Adopted at 22 Ill. Reg. 5546, effective March 4, 1998; amended at 26 Ill. Reg. 12167, effective July 29, 2002; amended at 30 Ill. Reg. 2507, effective February 10, 2006.