ANSI/ASNT CP-189-2020是一项ANSI标准，规定了无损检测（NDT）和预测性维护（PdM）人员资格和认证的最低要求，包括最低培训、教育和经验要求，以及记录资格和认证的标准。本标准还要求业主制定无损检测人员认证程序，并在认证程序中纳入任何独特或附加要求。

This American National Standard builds upon the success of 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, II, and III personnel. It includes a requirement for the ASNT NDT Level III certification of Level III personnel. This standard has been approved by the American National Standards Institute (ANSI). Now sold individually, it is recommended that this product be purchased with ANSI/ASNT CP-105: ASNT Standard Topical Outlines for Qualification of Nondestructive Testing Personnel (2020).