Records of calibration measurements of brachytherapy sources.

§ 35.2432 Records of calibration measurements of brachytherapy sources. (a) A licensee shall maintain a record of the calibrations of brachytherapy sources required by § 35.432 for 3 years after the last use of the source. (b) The record must include— (1) The date of the calibration; (2) The manufacturer's name, model number, and serial number for the source and the instruments used to calibrate the source; (3) The source output or activity; (4) The source positioning accuracy within the applicators; and (5) The name of the individual, the source manufacturer, or the calibration laboratory that performed the calibration. [67 FR 20370, Apr. 24, 2002, as amended at 68 FR 19326, Apr. 21, 2003]