(a) No person may carry out the inspection of joints in welded pipelines required by sections 255.241 and 255.243 of this Part unless that person has been qualified by appropriate training or experience in evaluating the acceptability of welded joints per the requirements of Section 6, Standards of Acceptability, of API 1104 (as described in Section 10.3 of this Title).
(b) Each gas corporation shall establish, and keep on file for inspection, the methods it uses to verify the qualifications of each technician responsible for the interpretation of each nondestructive test of a weld.
(c) When inspecting pipelines to be operated at 125 psig (862 kPa) or more, a welder may not inspect his own welds for the purpose of determining the acceptability of the welds as required by section 255.241 of this Part.