US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER I: POLLUTION CONTROL BOARDSUBCHAPTER a: PERMITS AND GENERAL PROVISIONSPart 203 — MAJOR STATIONARY SOURCES CONSTRUCTION AND MODIFICATIONSubpart A203.15535 Ill. Adm. Code 203.155Severability (Repealed)Last amended: 1988Year: 2026Length: 6 wordsOfficial source Section 203 Section 203.155 Severability (Repealed)Previous35 Ill. Adm. Code 203.150