What is the qualification level required for NDE technicians according to ASNT SNT-TC-1a?

The qualification levels for Nondestructive Examination (NDE) technicians as outlined in ASNT SNT-TC-1A are defined by specific competencies and responsibilities. Level III technicians are recognized as having the highest level of expertise, which includes the ability to develop written procedures, interpret codes, standards, and specifications, as well as providing training and guidance to Level I and Level II technicians. This comprehensive understanding and capability to oversee complex NDE processes set Level III apart in terms of qualification.

In summary, Level III technicians possess advanced knowledge and skills necessary to ensure the integrity and compliance of NDE activities, making it the correct qualification level according to ASNT SNT-TC-1A.