US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER I: POLLUTION CONTROL BOARDSUBCHAPTER d: UNDERGROUND INJECTION CONTROL AND UNDERGROUND STORAGE TANK PROGRAMSPart 731 — UNDERGROUND STORAGE TANKSSubpart G731.17235 Ill. Adm. Code 731.172Assessing Site at Closure or Change-in-Service (Repealed)Last amended: 1992Year: 2026Length: 11 wordsOfficial source Section 731 Section 731.172 Assessing Site at Closure or Change-in-Service (Repealed)Previous35 Ill. Adm. Code 731.171Next35 Ill. Adm. Code 731.173