United States Nuclear Regulatory Commission - Protecting People and the Environment

U.S. Nuclear Regulatory Commission

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 §§20.1501

(b) in the revised Part 20. (Reference: 10 CFR 20.1501


Page Last Reviewed/Updated Thursday, March 29, 2012