DHS 157.71(20)(b)3.3. The correction factor that was determined from the calibration or comparison or the apparent correction factor that was determined from an intercomparison.
DHS 157.71(20)(b)4.4. The names of the persons who performed the calibration, intercomparison or comparison.
DHS 157.71(21)(21)Records of teletherapy, remote afterloader and gamma stereotactic radiosurgery full calibrations.
DHS 157.71(21)(a)(a) A licensee shall maintain a record of the teletherapy, remote afterloader and gamma stereotactic radiosurgery full calibrations required by s. DHS 157.67 (7) to (9) for 3 years.
DHS 157.71(21)(b)(b) The record required under par. (a) shall include all of the following:
DHS 157.71(21)(b)1.1. The date of the calibration.
DHS 157.71(21)(b)2.2. The manufacturer’s name, model number and serial number for the teletherapy, remote afterloader and gamma stereotactic radiosurgery unit, source and instruments used to calibrate the unit.
DHS 157.71(21)(b)3.3. The results and an assessment of the full calibrations.
DHS 157.71(21)(b)4.4. The results of the autoradiograph required for low dose-rate remote afterloader units.
DHS 157.71(21)(b)5.5. The signature of the authorized medical physicist who performed the full calibration.
DHS 157.71(22)(22)Records of periodic spot-checks for teletherapy units.
DHS 157.71(22)(a)(a) A licensee shall retain a record of each periodic spot-check for teletherapy units required by s. DHS 157.67 (10) for 3 years.
DHS 157.71(22)(b)(b) The record required under par. (a) shall include all of the following:
DHS 157.71(22)(b)1.1. The date of the spot-check.
DHS 157.71(22)(b)2.2. The manufacturer’s name, model number and serial number for the teletherapy unit, source and instrument used to measure the output of the teletherapy unit.
DHS 157.71(22)(b)3.3. An assessment of timer linearity and constancy.
DHS 157.71(22)(b)4.4. The calculated on-off error.
DHS 157.71(22)(b)5.5. A determination of the coincidence of the radiation field and the field indicated by the light beam localizing device.
DHS 157.71(22)(b)6.6. The determined accuracy of each distance measuring and localization device.
DHS 157.71(22)(b)7.7. The difference between the anticipated output and the measured output.
DHS 157.71(22)(b)8.8. Notations indicating the operability of each entrance door electrical interlock, each electrical or mechanical stop, each source exposure indicator light and the viewing and intercom system and doors.
DHS 157.71(22)(b)9.9. The name of the person who performed the periodic spot-check and the signature of the authorized medical physicist who reviewed the record of the spot-check.
DHS 157.71(23)(23)Records of periodic spot-checks for remote afterloader units.
DHS 157.71(23)(a)(a) A licensee shall retain a record of each spot-check for remote afterloader units required by s. DHS 157.67 (11) for 3 years.
DHS 157.71(23)(b)(b) The record required under par. (a) shall include all of the following, as applicable:
DHS 157.71(23)(b)1.1. The date of the spot-check.
DHS 157.71(23)(b)2.2. The manufacturer’s name, model number and serial number for the remote afterloader unit and source.
DHS 157.71(23)(b)3.3. An assessment of timer accuracy.
DHS 157.71(23)(b)4.4. Notations indicating the operability of each entrance door electrical interlock, radiation monitors, source exposure indicator lights, viewing and intercom systems and clock and decayed source activity in the unit’s computer.