For inquiries regarding any of our standards and recommended practices, fill out the standards inquiry form and submit it to standards@asnt.org.
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ASNT Standards: Elevating NDT Personnel
Setting global benchmarks for nondestructive testing excellence and professionalism.
At ASNT, we are committed to establishing and upholding the highest standards for the qualification and certification of nondestructive testing (NDT) personnel. Our standards and recommended practices serve as the foundation of excellence, guiding the NDT community toward unmatched expertise and professionalism.
Developed by expert ASNT committees, these standards define the qualifications required for NDT personnel to meet the rigorous demands of industries and governments worldwide. By adhering to these standards, NDT professionals enhance their careers while ensuring the reliability and safety of the industries they serve.
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To learn more about our standards' development and their impact on NDT personnel and industries, explore our Standards Council and ANSI/ISO Technical Advisory Group (TAG).
Current Editions
BookANSI/ASNT CP-105: ASNT Standard Topical Outlines for Qualification of Nondestructive Testing Personnel (2020)
ANSI/ASNT CP-105 specifies the body of knowledge to be used as part of a training program qualifying and certifying NDT personnel. It applies to personnel whose tasks or jobs require knowledge of the technical principles underlying the NDT methods for which they have responsibility. These tasks include: performing, specifying, reviewing, monitoring, supervising, and evaluating NDT work. Changes to the 2020 edition include clarifying the use of standardization and calibration throughout every method and the addition of the full matrix capture technique to the UT Level II training outline.
BookANSI/ASNT CP-189: ASNT Standard for Qualification and Certification of Nondestructive Testing Personnel (2024)
This American National Standard builds on ASNT Recommended Practice No. SNT-TC-1A by providing comprehensive minimum requirements for personnel certification. Included are requirements for NDT instructors and employer certification of Level I, Level II, and Level III personnel. It includes a requirement for the ASNT NDT Level III certification of Level III personnel. A few of the changes to this edition include: the requirement that employers assess whether referenced exams meet their requirements; restrictions on the use of eye drops to improve vision; the requirement that proctors administering written examinations are trained; some definitions were clarified; and CR, DR, and CT image interpreter requirements were added. This standard has been approved by the American National Standards Institute (ANSI).
BookANSI/ASNT CP-9712: Nondestructive Testing for Qualification and Certification of NDT Personnel (2023)
ISO 9712 is an international standard that provides guidelines for the global standardization of the qualification and certification of NDT personnel. The identical adoption of ANSI/ASNT CP-9712 (ISO 9712:2021):2023 was developed to provide the United States with an American National Standard that would incorporate the provisions of ISO 9712:2021.
BookANSI/ASNT ILI-PQ: In-line Inspection Personnel Qualification and Certification (2023)
Approved in 2023, this personnel qualification and certification standard for in-line technologies was developed by ASNT and approved by the American National Standards Institute (ANSI). It was created to establish minimum requirements for qualification and certification of in-line inspection personnel whose jobs demand specific knowledge of the technical principals of in-line inspection technologies, operations, regulatory requirements, and industry standards as applicable to pipeline systems. The employer-based standard includes qualification and certification for Levels I, II, and III. Changes to this standard include updates to many items, added paragraphs, and removal of outdated information.
BookASNT Recommended Practice No. SNT-TC-1A (2024)
Recommended Practice No. SNT-TC-1A: Personnel Qualification and Certification in Nondestructive Testing (2024) provides guidelines for employers to establish in-house certification programs for the qualification and certification of NDT personnel. It provides the educational, experience, and training recommendations for each NDT method. Since 1966, employers have used this industry-valued document as the general framework for their employer-based certification programs. A few of the updates to the 2024 edition include: modified definitions to clarify meanings, restrictions on the use of eye drops to improve vision, the recommendation that employers assess whether referenced exams meet their requirements, the addition of the ASNT 9712 Program, the recommendation that personnel administering written examinations are trained.
