1.1 This guide establishes areas for review and provides a survey form that can be used in determining the competence of a nondestructive testing agency. 1.1.1 Criteria from Practices E 543, E 1212, and ASNT SNT-TC-1A, ANSI/ASNT CP-189, and ACCP-Rev. 1, were used in the preparation of this guide. 1.2 Areas for review should include, but are not limited to, the following: description of the agency, it