A licensee shall retain a record of each spot-check for remote afterloader units required by § 35.643 for 3 years.
The record must include, as applicable—
The date of the spot-check;
The manufacturer's name, model number, and serial number for the remote afterloader unit and source;
An assessment of timer accuracy;
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
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.
A licensee shall retain a copy of the procedures required by § 35.643(b) until the licensee no longer possesses the remote afterloader unit.