US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER I: POLLUTION CONTROL BOARDPart 306 — PERFORMANCE CRITERIASubpart D306.37435 Ill. Adm. Code 306.374Other Proceedings (Repealed)Last amended: 2023Year: 2026Length: 7 wordsOfficial source Section 306 Section 306.374 Other Proceedings (Repealed)Previous35 Ill. Adm. Code 306.373