CFR > Title 40 > Chapter I > Subchapter C > Part 65 > Subpart C CFR > Title 40 > Chapter I > Subchapter C > Part 65 > Subpart C – Storage Vessels Current as of: 2024 | Check for updates | Other versions § 65.40 Applicability § 65.41 Definitions § 65.42 Control requirements § 65.43 Fixed roof with an internal floating roof (IFR) § 65.44 External floating roof (EFR) § 65.45 External floating roof converted into an internal floating roof § 65.46 Alternative means of emission limitation § 65.47 Recordkeeping provisions § 65.48 Reporting provisions