Minnesota Administrative Rules
Agency 144 - Health Department
Chapter 4731 - RADIATION SAFETY
WELL LOGGING
Part 4731.7220 - PERSONNEL MONITORING
Current through Register Vol. 49, No. 13, September 23, 2024
A. A licensee may not permit an individual to act as a logging supervisor or logging assistant unless the individual wears a personnel dosimeter at all times during the handling of licensed radioactive materials. Each personnel dosimeter must be assigned to and worn by only one individual. Film badges must be replaced at least monthly and other personnel dosimeters that require replacement must be replaced at least quarterly. All personnel dosimeters must be evaluated at least quarterly or promptly after replacement, whichever is more frequent.
B. A licensee must provide bioassay services to individuals using licensed materials in subsurface tracer studies if required by the license.
C. A licensee must retain records of personnel dosimeters required under item A and bioassay results for inspection until the commissioner authorizes disposition of the records.
Statutory Authority: MS s 144.1202; 144.1203
