CFR›Title 40›Chapter I›Part 280›Subpart J ContainsSections 280.240–280.245CorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 Subpart J—Operator Training Sections 280.240 § 280.240 General requirement for all UST systems. 280.241 § 280.241 Designation of Class A, B, and C operators. 280.242 § 280.242 Requirements for operator training. 280.243 § 280.243 Timing of operator training. 280.244 § 280.244 Retraining. 280.245 § 280.245 Documentation. Previous H Subpart H—Financial Responsibility Next K Subpart K—UST Systems with Field-Constructed Tanks and Airport Hydrant Fuel Distribution Systems