US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER I: POLLUTION CONTROL BOARDPart 501 — GENERAL PROVISIONSSubpart B501.30535 Ill. Adm. Code 501.305Man-madeLast amended: 2014Year: 2026Length: 8 wordsOfficial source Section 501 Section 501.305 Man-made Constructed by man.Previous35 Ill. Adm. Code 501.300Next35 Ill. Adm. Code 501.310