Question

Which part of the NRC regulations identifies uranium in counterweights and shielding as exempt from licensing?

A. 10 CFR 20
B. 10 CFR 40
C. 40 CFR 61
D. 49 CFR 173

Answer 1

Uranium used in counterweights and shielding is identified as exempt from licensing in 10 CFR 40 of the NRC regulations, specifically in Appendix A.

Step-by-step explanation:

The part of the NRC regulations that identifies uranium in counterweights and shielding as exempt from licensing is 10 CFR 40. Specifically, this can be found in 10 CFR 40 Appendix A to Part 40—Criteria Relating to the Operation of Uranium Mills and the Disposition of Tailings or Wastes Produced by the Extraction or Concentration of Source Material from Ores Processed Primarily for Their Source Material Content. This appendix lists byproduct material for which a license for possession is not required, which includes certain uranium solids like counterweights or shielding that have been made radioactive by exposure to neutron radiation.