View all text of Subpart B [§ 64.11 - § 64.55]
§ 64.25 - Cross section.
A tank must have a cross section design that is—
(a) Circular; or
(b) Other than circular and stress analyzed experimentally by the method contained in UG-101 of Section VIII of the ASME BPVC (incorporated by reference; see § 64.2).