Minnesota Administrative Rules
Agency 144 - Health Department
Chapter 4731 - RADIATION SAFETY
MEDICAL USE OF RADIOACTIVE MATERIAL
Part 4731.4476 - RADIATION SURVEYS

Universal Citation: MN Rules 4731.4476

Current through Register Vol. 49, No. 13, September 23, 2024

Subpart 1. Surveys required.

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.

Subp. 2. When required.

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. expose the source;

B. reduce the shielding around the source; or

C. compromise the radiation safety of the unit or the source.

Subp. 3. Record retention.

A licensee must retain a record of the radiation surveys required under subpart 1 according to part 4731.4523.

Statutory Authority: MS s 144.1202; 144.1203

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