[Code of Federal Regulations] [Title 46, Volume 2] [Revised as of October 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 46CFR54.05-1] [Page 146] TITLE 46--SHIPPING CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PART 54_PRESSURE VESSELS--Table of Contents Subpart 54.05_Toughness Tests Sec. 54.05-1 Scope (replaces UG-84). (a) The toughness tests of materials used in pressure vessels shall be as required by this subpart in lieu of requirements in UG-84 of the ASME Code.