[Code of Federal Regulations] [Title 49, Volume 3] [Revised as of October 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 49CFR192.144] [Page 40] TITLE 49--TRANSPORTATION CHAPTER I--RESEARCH AND SPECIAL PROGRAMS ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (CONTINUED) PART 192--TRANSPORTATION OF NATURAL AND OTHER GAS BY PIPELINE: MINIMUM FEDERAL SAFETY STANDARDS--Table of Contents Subpart D--Design of Pipeline Components Sec. 192.144 Qualifying metallic components. Notwithstanding any requirement of this subpart which incorporates by reference an edition of a document listed in appendix A of this part, a metallic component manufactured in accordance with any other edition of that document is qualified for use under this part if-- (a) It can be shown through visual inspection of the cleaned component that no defect exists which might impair the strength or tightness of the component; and (b) The edition of the document under which the component was manufactured has equal or more stringent requirements for the following as an edition of that document currently or previously listed in appendix A: (1) Pressure testing; (2) Materials; and (3) Pressure and temperature ratings. [Amdt. 192-45, 48 FR 30639, July 5, 1983]