Part 4731.4455 - BRACHYTHERAPY; CALIBRATION MEASUREMENTSA. 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.Minn. R. agency 144, ch. 4731, MEDICAL USE OF RADIOACTIVE MATERIAL, pt. 4731.4455
Statutory Authority: MS s 144.1202; 144.1203