Question 147: 10 CFR 20.1501 (b) requires the licensee to
ensure that instruments and equipment used for quantitative
radiation measurements are calibrated periodically;
however, there is no corresponding requirement in old Part
20. Does this new requirement mean that the accuracy and
frequency of such calibrations that have been found
acceptable by the NRC in the past will not be acceptable
under the revised Part 20?
Answer: No. The acceptability of calibration frequency
and accuracy is not changed by the inclusion of ยงยง20.1501
(b) in the revised Part 20. (Reference: 10 CFR 20.1501
(b)).