US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER I: POLLUTION CONTROL BOARDSUBCHAPTER d: UNDERGROUND INJECTION CONTROL AND UNDERGROUND STORAGE TANK PROGRAMSPart 731 — UNDERGROUND STORAGE TANKSSubpart A731.10135 Ill. Adm. Code 731.101Definitions and exemptions (Repealed)Last amended: 1989Year: 2026Length: 8 wordsOfficial source Section 731 Section 731.101 Definitions and exemptions (Repealed)Next35 Ill. Adm. Code 731.102