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)(b)(b) The record required under par. (a) shall include all of the following, as applicable: 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)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. DHS 157.71(23)(b)5.5. 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(24)(24) Records of periodic spot-checks for gamma stereotactic radiosurgery units. DHS 157.71(24)(b)2.2. The manufacturer’s name, model number and serial number for the gamma stereotactic radiosurgery unit and the instrument used to measure the output of the unit. DHS 157.71(24)(b)8.8. Notations indicating the operability of radiation monitors, helmet microswitches, emergency timing circuits, emergency off buttons, electrical interlocks, source exposure indicator lights, viewing and intercom systems, timer termination, treatment table retraction mechanism and stereotactic frames and localizing devices. DHS 157.71(24)(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(25)(25) Records of additional technical requirements for mobile remote afterloader units. DHS 157.71(25)(b)2.2. The manufacturer’s name, model number and serial number of the remote afterloader unit. DHS 157.71(25)(b)3.3. Notations accounting for all sources before the licensee departs from a facility. DHS 157.71(25)(b)4.4. Notations indicating the operability of each entrance door electrical interlock, radiation monitors, source exposure indicator lights, viewing and intercom system, applicators and source transfer tubes and source positioning accuracy.