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This document is intended as a guideline for employers to establish their own written practice for the qualification and certification of their nondestructive testing personnel. It is not intended to be used as a strict specification.

Recommended Practice No.


ND FOU ED 1 941


*Society for Nondestructive Testing (SNT)—Technical Council(TC)—First Document (1A)

The American Society for Nondestructive Testing, Inc.


Published by The American Society for Nondestructive Testing, Inc., 1711 Arlingate Lane Columbus, OH 43228-0518

Copyright © 1992 by The American Society for Nondestructive Testing, Inc. All rights reserved.

ISBN 0-931403-18-9

Printed in the United States of America 110 ii

This RecommendedPractice establishes the general framework for a qualification and certification program. In addition, the document provides recommended educational, experience, and training requirements for the different test methods. Supplementary documents include question and answer lists which may be used in composing examinations for nondestructive testing personnel. This recommended practice is not intendedto be used as a strict specification. It is recognized, however, that contracts require programs which meet the intent of this document. For such contracts, acceptability of an employer’s program must be agreed upon by purchaser and supplier. The verb “should” has been used throughout this document to emphasize the recommendation presented herein. It is the employer’s responsibility to addressspecific needs and to modify these guidelines as appropriate in a written practice. In the employer’s written practice, the verb “shall” is to be used in place of “should” to emphasize the employer’s needs. Inquiries related to this recommended practice should be directed to the Chairman of the Personnel Qualification Division at the following address: The American Society for NondestructiveTesting 1711 Arlingate Lane P.O. Box 28518 Columbus, Ohio 43228-0518

111 iii

Review Committee
Publication and review of this Recommended Practice was under the direction of the SNT-TC-1A Review Committee of the Personnel Qualification Division of The American Society for Nondestructive Testing, Inc.: PQ Division: Edward A. Macejak, Chairman Richard Kochakian Claude D. Davis Russel T. MackArthur E. Allum Hussein M. Sadek Gary Brunetti Wade J. Richards Gerald K. Hacker Michael W. Allgaier Donald J. Quirk Louis J. Elliott Michael L. Turnbow James R. Mitchell John H. Weiler George C. Wheeler Donald A. Yoder Kaydell C. Bowles ASNT Staff Contributor: Gordon Smith, Technical Services Manager Members at Large: Jeffrey F. Cook Todd S. Fleckenstein Paul Deeds, Jr. Grover Hardy Charles J.Hellier III John D. Lavender Ronald T. Nisbet Richard D. McGuire

112 iv

iii iv Foreword Review Committee

3 3 3 3 4 4 5 5 7 7 8

Personnel Qualification and Certification in Nondestructive Testing
Scope Definitions Nondestructive Testing Methods Levels of Qualification Written Practice Education, Training, and Experience Requirements for Initial Qualification Training ProgramsExaminations Certification Termination Table 6.3.1

11 12 12 12 13 13 14 16 19 21 22 22 22 23 23 24 25 27 28 28 29 29 30 30 31 32 33 36 39 40 40 41 42 43 44 45 46 47 49

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