A licensee must maintain a record of the teletherapy unit, remote afterloader unit, and gamma stereotactic radiosurgery unit full calibrations required under parts 4731.4469 to 4731.4471 for three years. The record must include:
A. the date of the calibration;B. the unit manufacturer's name;C. the model number and serial number of the teletherapy, remote afterloader, and gamma stereotactic radiosurgery unit;D. the model number, serial number, and identity of the source;E. the model number, serial number, and identity of the source instruments used to calibrate the units;F. the results and an assessment of the full calibrations;G. the results of the autoradiograph required for low dose-rate remote afterloader units; andH. the signature of the authorized medical physicist who performed the full calibration.Minn. R. agency 144, ch. 4731, MEDICAL USE OF RADIOACTIVE MATERIAL, pt. 4731.4518
Statutory Authority: MS s 144.1202; 144.1203