CGSB 48.20 : 1994
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
CERTIFICATION OF NON-DESTRUCTIVE TESTING PERSONNEL (POLICE AND SECURITY RADIOGRAPHY METHOD)
11-30-2016
01-12-2013
Contains recommended course guidelines for the minimum essential training of, and a procedure for the certification of two levels of personnel to perform police and security radiography.
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