2. Referenced Documents

B881 Terminology Relating to Aluminum- and Magnesium-Alloy Products
E127 Practice for Fabricating and Checking Aluminum Alloy Ultrasonic Standard Reference Blocks
E317 Practice for Evaluating Performance Characteristics of Ultrasonic Pulse-Echo Testing Instruments and Systems without the Use of Electronic Measurement Instruments
E114 Practice for Ultrasonic Pulse-Echo Straight-Beam Examination by the Contact Method
ASNT Recommended Practice for Nondestructive Testing Personnel Qualification and Certification--Ultrasonic Testing Method, SNT-TC-1A
NAS-410 Certification of Inspection Personnel