Title 4--DEPARTMENT OF

(B) General. (192.223) 1. Welding must be performed in accordance with established written welding procedures that have been qualified under subsection (5)(C) (192.225) to produce sound, ductile welds. 2. Welding must be performed by welders who are qualified under subsections (5)(D) and (E) (192.227 and 192.229) for the welding procedure to be ... ................
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