Evaluation and routine testing in medical imaging departments. Constancy tests - Method for darkroom safelight conditions Ingestion-build-81111 To determine whether a change

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Evaluation and routine testing in medical imaging departments. Constancy tests - Method for darkroom safelight conditions Ingestion-build-81111 To determine whether a change1 Scope and object 1. 1 Scope This technical report applies to darkrooms in X ray facilities where any of the following unprocessed radiographic or photographic materials sensitive to light are handled: all types of screen film; non screen film; photographic film for indirect radiography, as used for recording: output images of x ray image intensifiers; other radiological images after transfer; photographic material for copying radiograms;