ASTM E3168 - 20a Standard Practice for Determining Low-Contrast Visual Acuity of Radiographic Interpreters


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    Referenced ASTM Standards The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    E94 Guide for Radiographic Examination Using Industrial Radiographic Film

    E1316 Terminology for Nondestructive Examinations

    E1390 Specification for Illuminators Used for Viewing Industrial Radiographs