As addressed in AWS D1.1-98 and AWS D1.6-07 6.2.2, An Inspector, previously certified as a Welding Inspector under the provisions of AWS QC1 or CSA standard W178.2, Level II or III, may serve as an Inspector for this work, provided there is acceptable documentation that the Inspector has remained active as an Inspector of welded fabrication since last being certified, and there is no reason to question the Inspector;s authority.
ASME B31.1-09 136.3.2 Qualification of NDE Personnel, (C), As an alternative to the preceding program, the requirements of ASME Section V, Article 1 may be used for the qualification of NDE personnel. Personnel qualified to AWS QC1 may be used for the visual examination of welds.
As far as ASME Section VIII Div 1 is concerned, it only addresses the qualifications of the Authorized Inspector regularly employed by an ASME accredited Authorized Inspection Agency.