US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER I: POLLUTION CONTROL BOARDPart 406 — MINE WASTE EFFLUENT AND WATER QUALITY STANDARDSSubpart B406.20935 Ill. Adm. Code 406.209Expiration of Former Exemptions (Repealed)Last amended: 2008Year: 2026Length: 9 wordsOfficial source Section 406 Section 406.209 Expiration of Former Exemptions (Repealed)Previous35 Ill. Adm. Code 406.208