All factors affecting the accurate repetition of a radiographic technique for the examination of a succession of similar material samples, components or structures are considered.
A recommended standard format for all techniques is given.
For the various broad fields of radiography, viz, castings, welds, structures and other applications, specific requirements are laid down as appropriate to each case.
Finally, consideration is given to the environmental and physiological conditions affecting the efficiency of film interpretation by operators, and certain minimum conditions recommended.