COMPANY approved equivalent. Inspector shall have a demonstrated background and thorough knowledge of codes such as ANSI B 31.3, 31.4 and 31.8, ASME Section V and IX, API 620 and 650, AWS D1.1, required for the execution of the WORK. Where Nondestructive Testing (NDT) forms part of the WORK, and Inspector is required to review or ensure NDT programs and results, he shall have been previously qualified and certified to a minimum ASNT Level II in the relevant method(s). When performing, reviewing or ensuring Nondestructive Testing in VT, MT, PT, RT or UT, he shall be certified in the specific method(s). When performing, reviewing or ensuring Radiographic Testing Film Interpretation (RTFI), Inspector shall be certified in RTFI.