T-223 Backscatter Radiation
A lead symbol “B,” with minimum dimensions of 1⁄2 in. (13 mm) in height and 1⁄16 in. (1.6 mm) in thickness,
shall be attached to the back of each film holder during each exposure to determine if backscatter
radiation is exposing the film.
T-224 System of Identification
A system shall be used to produce permanent identification on the radiograph traceable to the contract, component, weld or weld seam, or part numbers, as appropriate.
In addition, the Manufacturer’s symbol or name and the date of the radiograph shall be plainly and permanently included on the radiograph. This identification system does not necessarily require that the
T-223 Backscatter RadiationA lead symbol “B,” with minimum dimensions of 1⁄2 in. (13 mm) in height and 1⁄16 in. (1.6 mm) in thickness,shall be attached to the back of each film holder during each exposure to determine if backscatterradiation is exposing the film.T-224 System of IdentificationA system shall be used to produce permanent identification on the radiograph traceable to the contract, component, weld or weld seam, or part numbers, as appropriate.In addition, the Manufacturer’s symbol or name and the date of the radiograph shall be plainly and permanently included on the radiograph. This identification system does not necessarily require that the
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