(b) The record must include, as applicable—

1. (1) The date of the spot-check;
2. (2) The manufacturer's name, model number, and serial number for the remote afterloader unit and source;
3. (3) An assessment of timer accuracy;
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; and
5. (5) The name of the individual who performed the periodic spot-check and the signature of the authorized medical physicist who reviewed the record of the spot-check.