US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER I: POLLUTION CONTROL BOARDPart 304 — EFFLUENT STANDARDSSubpart A304.14035 Ill. Adm. Code 304.140Delays in Upgrading (Repealed)Last amended: 1989Year: 2026Length: 8 wordsOfficial source Section 304 Section 304.140 Delays in Upgrading (Repealed)Previous35 Ill. Adm. Code 304.126Next35 Ill. Adm. Code 304.141