US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER I: POLLUTION CONTROL BOARDPart 401 — GENERAL PROVISIONS401.10135 Ill. Adm. Code 401.101Authority (Repealed)Last amended: 2019Year: 2026Length: 6 wordsOfficial source Section 401 Section 401.101 Authority (Repealed)Next35 Ill. Adm. Code 401.102