Minnesota Administrative Rules
Agency 144 - Health Department
Chapter 4731 - RADIATION SAFETY
MEDICAL USE OF RADIOACTIVE MATERIAL
Part 4731.4455 - BRACHYTHERAPY; CALIBRATION MEASUREMENTS
Universal Citation: MN Rules 4731.4455
Current through Register Vol. 49, No. 13, September 23, 2024
A. Before the first medical use of a brachytherapy source, a licensee must have:
(1) determined the source output or activity
using a dosimetry system that meets the requirements of part 4731.4468, subpart
1;
(2) determined source
positioning accuracy within applicators; and
(3) used published protocols currently
accepted by nationally recognized bodies to meet the requirements of this
item.
B. A licensee may use measurements provided by the source manufacturer or by a calibration laboratory accredited by the American Association of Physicists in Medicine that are made according to item A.
C. A licensee must mathematically correct the outputs or activities determined under item A for physical decay at intervals consistent with one percent physical decay.
D. A licensee must retain a record of each calibration according to part 4731.4513.
Statutory Authority: MS s 144.1202; 144.1203
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