WAC 246-240-269. Calibration measurements of brachytherapy sources

(1) Before the first medical use of a brachytherapy source on or after March 9, 2006, a licensee shall have: (a) Determined the source output or activity using a dosimetry system that meets the requirements of WAC 246-240-366 (1); (b) Determined source positioning accuracy within applicators; and (c) Used published protocols currently accepted by nationally recognized bodies to meet the requirements of (a) and (b) of this subsection. (2) 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 in accordance with subsection (1) of this section. (3) A licensee shall mathematically correct the outputs or activities determined in subsection (1) of this section for physical decay at intervals consistent with one percent physical decay. (4) A licensee shall retain a record of each calibration in accordance with WAC 246-240-599 .