A licensee must retain a record of each spot check for remote afterloader units required under part 4731.4473 for three years. The record must include, as applicable:
notations indicating the operability of each entrance door electrical interlock, radiation monitor, source exposure indicator light, viewing and intercom system, and clock and decayed source activity in the unit's computer;
29 SR 755
March 12, 2009
Official Publication of the State of Minnesota
Revisor of Statutes