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ASNT Standard for Qualification and Certification of Nondestructive Testing Personnel


This ANSI-approved American National Standard establishes minimum requirements for the qualification and certification of nondestructive testing and predictive maintenance personnel and details the minimum training, education, and experience requirements for NDT personnel and provides criteria for documenting qualifications and certification.

Current Revision

ANSI/ASNT CP-189: 2020



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Click here to access the full text of ANSI/ASNT CP-189 interpretations from the SDC Interpretation Subcommittee.

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Download the interpretation form in Adobe Acrobat or Microsoft Word.

CP-189 Review Subcommittee

This subcommittee of the SDC has the responsibility to review comments on and objections to CP-189, and to submit proposed revisions to the full committee.

Michael Ruddy, Chair
William C. Plumstead, Vice Chair
George C. Belev
Paul Deeds, Jr.
Todd S. Fleckenstein
Darrell W. Harris
Scott Miller
Bruce D. Schlueter