Minnesota Administrative Rules
Agency 144 - Health Department
Chapter 4731 - RADIATION SAFETY
IRRADIATORS
Part 4731.6210 - INSPECTION AND MAINTENANCE

Universal Citation: MN Rules 4731.6210

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

Subpart 1. Required checks.

A licensee must perform inspection and maintenance checks that include, as a minimum, each of the following at the frequency specified in the license or license application:

A. operability of each aspect of the access control system required under part 4731.6060;

B. functioning of the source position indicator required under part 4731.6100, item C;

C. operability of the radiation monitor for radioactive contamination in pool water required under part 4731.6200, subpart 2, using a radiation check source, if applicable;

D. operability of the over-the-pool radiation monitor at underwater irradiators as required under part 4731.6090, subpart 2;

E. operability of the product exit monitor required under part 4731.6090, subpart 1;

F. operability of the emergency source return control required under part 4731.6100, item D;

G. leak-tightness of systems through which pool water circulates, by visual inspection;

H. operability of the heat and smoke detectors and extinguisher system required under part 4731.6080, but without turning extinguishers on;

I. operability of the means of pool water replenishment required under part 4731.6110, item D;

J. operability of the indicators of high and low pool water levels required under part 4731.6110, item E;

K. operability of the intrusion alarm required under part 4731.6060, subpart 2, if applicable;

L. functioning and wear of the system, mechanisms, and cables used to raise and lower sources;

M. condition of the barrier to prevent products from hitting the sources or source mechanism as required under part 4731.6120;

N. amount of water added to the pool to determine if the pool is leaking;

O. electrical wiring on required safety systems for radiation damage; and

P. pool water conductivity measurements and analysis as required under part 4731.6220, item B.

Subp. 2. Repair.

Malfunctions and defects found during inspection and maintenance checks must be repaired without undue delay.

Statutory Authority: MS s 144.1202; 144.1203

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