US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER I: POLLUTION CONTROL BOARDPart 306 — PERFORMANCE CRITERIASubpart E306.40735 Ill. Adm. Code 306.407Effective Date (Repealed)Last amended: 2023Year: 2026Length: 7 wordsOfficial source Section 306 Section 306.407 Effective Date (Repealed)Previous35 Ill. Adm. Code 306.406