US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER I: POLLUTION CONTROL BOARDPart 501 — GENERAL PROVISIONSSubpart A501.10135 Ill. Adm. Code 501.101Authority (Repealed)Last amended: 2024Year: 2026Length: 6 wordsOfficial source Section 501 Section 501.101 Authority (Repealed)Next35 Ill. Adm. Code 501.102