TITLE 35: ENVIRONMENTAL PROTECTION
SUBTITLE A: GENERAL PROVISIONS
CHAPTER II: ENVIRONMENTAL PROTECTION AGENCY
PART 180 PROCEDURES AND CRITERIA FOR REVIEWING APPLICATIONS FOR PROVISIONAL VARIANCES
AUTHORITY: Implementing and authorized by Sections 35(b), 36(c), and 37(b) of the Environmental Protection Act [415 ILCS 5/35(b), 36(c), and 37(b)].
SOURCE: Adopted at 5 Ill. Reg. 6341, effective June 2, 1981; amended at 35 Ill. Reg. 6161, effective March 22, 2011; amended at 49 Ill. Reg. 12932, effective September 29, 2025.