Do dose calibrators used for purposes other than patient dosage assay need to be calibrated?
Yes – If used for other measurements required under Part 35, such as source activity measurements of manual brachytherapy sources. In this case, the dose calibrator would need to meet the requirements in ยง35.630(a). No – If used for measurements not required under Part 35, such as verifying the activity of licensed material used for diagnostic imaging equipment calibration, and not required under other NRC regulations, then calibration of the dose calibrator is not required.
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