US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER I: POLLUTION CONTROL BOARDSUBCHAPTER d: UNDERGROUND INJECTION CONTROL AND UNDERGROUND STORAGE TANK PROGRAMSPart 731 — UNDERGROUND STORAGE TANKSSubpart B731.12235 Ill. Adm. Code 731.122Notification Requirements (Repealed)Last amended: 2016Year: 2026Length: 7 wordsOfficial source Section 731 Section 731.122 Notification Requirements (Repealed)Previous35 Ill. Adm. Code 731.121