Section 144-220-G-L-2643 - Records of periodic spot-checks for remote afterloader unitsA. A licensee shall retain a record of each spot-check for remote afterloader units required by G.643 for three years. B. The record must include, as applicable:(1) The date of the spot-check; (2) The manufacturer's name, model number, and serial number for the remote afterloader unit and source;(3) An assessment of timer accuracy; (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) 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.C. A licensee shall retain a copy of the procedures required by G.643.B until the licensee no longer possesses the remote afterloader unit.10-144 C.M.R. ch. 220, § G-L-2643