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What is SNT-TC-1A? What is EBC Program??

February 05, 2026

SNT-TC-1A

The first edition of SNT-TC-1A was published in 1966 – its title is derived as follows:

SNT - Society of Nondestructive Testing

TC – Technical Committee

1A – 1 st Committee was given this title

  • Recommended Practice No. SNT-TC-1A: Personnel Qualification and Certification in Nondestructive Testing was the "first document" widely used for the Qualification and Certification of Nondestructive Testing (NDT) personnel.
  • Qualification and certification of NDT personnel, based on some standardized approach that is recognized and agreed to by buyers and sellers of NDT-related inspections, is widely practiced throughout the industry.
  • ASNT's Recommended Practice No. SNT-TC-1A provides the guidelines for an employer to follow when preparing their Written Practice (WP) for the qualification and certification of their NDT Personnel.

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