Minnesota Administrative Rules
Agency 144 - Health Department
Chapter 4732 - IONIZING RADIATION
SHIELDING REQUIREMENTS
Part 4732.0385 - CAUTION SIGNS
Current through Register Vol. 48, No. 39, March 25, 2024
Subpart 1. Standard radiation symbol and labeling.
Each radiation sign or label must bear the standard symbol specified in this subpart and the printed warning, in capital block letters, specified in subpart 4. The standard symbol for designating any radiation hazard is a circle with three propeller-like blades arranged around it as illustrated:
Subp. 2. Additional information on signs and labels.
In addition to the contents of signs and labels prescribed in this part, the registrant must provide, on or near the required signs and labels additional information, as appropriate, to make individuals aware of potential radiation exposures and to minimize the exposures.
Subp. 3. Prohibitions on use of symbol.
The use of the specified radiation symbol for any purpose other than designating or referring to an area of applicable radiation levels is prohibited.
Subp. 4. Posting and labeling requirements.
Conspicuous radiation warning labels must be posted in areas in which a radiation hazard may exist.
Subp. 5. Exceptions to posting requirements.
Statutory Authority: MS s 144.12