Minn. R. agency 144, ch. 4731, MEDICAL USE OF RADIOACTIVE MATERIAL, pt. 4731.4476
In addition to the survey requirement under part 4731.2200, a licensee must make surveys to ensure that the maximum radiation levels and average radiation levels from the surface of the main source safe with the source in the shielded position do not exceed the levels stated in the sealed source and device registry.
A licensee must make the survey required under subpart 1 upon installation of a new source and following repairs to the source shielding, the source driving unit, or other electronic or mechanical component that could:
A licensee must retain a record of the radiation surveys required under subpart 1 according to part 4731.4523.
Minn. R. agency 144, ch. 4731, MEDICAL USE OF RADIOACTIVE MATERIAL, pt. 4731.4476
Statutory Authority: MS s 144.1202; 144.1203