CFR›Title 40›Chapter I›Part 280›Subpart G ContainsSections 280.70–280.74CorpusDaily eCFRDisplayed edition2026-08-13Last updated2026-08-13 Subpart G—Out-of-Service UST Systems and Closure Sections 280.70 § 280.70 Temporary closure. 280.71 § 280.71 Permanent closure and changes-in-service. 280.72 § 280.72 Assessing the site at closure or change-in-service. 280.73 § 280.73 Applicability to previously closed UST systems. 280.74 § 280.74 Closure records. Previous B Subpart B—UST Systems: Design, Construction, Installation and Notification Next I Subpart I—Lender Liability