Minnesota Administrative Rules
Agency 144 - Health Department
Chapter 4732 - IONIZING RADIATION
SHIELDING REQUIREMENTS
Part 4732.0360 - SHIELDING PLAN
Current through Register Vol. 48, No. 39, March 25, 2024
Subpart 1. Shielding plan applicability.
inety days after November 5, 2007, the registrant is required to have a shielding plan complete for new constructions or structural remodeling of their radiation-producing equipment areas.
Subp. 2. Shielding plan requirements.
The shielding plan must show all basic assumptions used in the development of the shielding specifications and show, at a minimum:
Subp. 3. Modifications.
The review of shielding plans must not preclude the requirement of additional modifications should a subsequent analysis of operating conditions indicate the possibility of an individual receiving a dose in excess of the dose limits prescribed in parts 4732.0400 to 4732.0430.
Subp. 4. Shielding review.
Ninety days after November 5, 2007, the shielding plan must be submitted to the commissioner prior to any new construction or structural remodeling.
Subp. 5. Exemptions.
Exemptions from the shielding review:
Subp. 6. Records.
The following shielding plan documentation must be maintained on a permanent basis by the registrant of the facility:
Subp. 7. Permanent placard.
A permanent placard must be mounted in the room specifying the amount and type of shielding in all walls, doors, partitions, and, if occupied, spaces above or below the floor and ceiling. If mounting the information is not practical, a registrant may post a notice in the room that describes the document and states where it may be examined.
Statutory Authority: MS s 144.12