Part 291 - RULES FOR THE PERFORMANCE OF AIR QUALITY IMPACT ANALYSES TO BE USED IN SUPPORT OF PERMIT APPLICATIONS
- Subpart A - GENERAL PROVISIONS (§ 291.101 to 291.103)
- Subpart B - ELEMENTS OF THE AIR QUALITY ANALYSIS (§ 291.201 to 291.207)
- Subpart C - CONTENTS OF THE AIR QUALITY STUDY (§ 291.301)
Current through Vol. 46, No. 16, April 15, 2022
Filed and effective December 30, 1977; codified at 8 Ill. Reg. 870.
AUTHORITY: Implementing and authorized by Sections 4 and 39 of the Environmental Protection Act (Ill. Rev. Stat. 1981, ch. 111 ½, pars. 1004 and 1039).
The following state regulations pages link to this page.
State regulations are updated quarterly; we currently have two versions available. Below is a comparison between our most recent version and the prior quarterly release. More comparison features will be added as we have more versions to compare.