Section 246-240-617 - Records of periodic spot-checks for teletherapy units(1) A licensee shall retain a record of each periodic spot-check for teletherapy units required by WAC 246-240-378 for three years.(2) The record must include: (a) The date of the spot-check;(b) The manufacturer's name, model number, and serial number of the teletherapy unit, source and instrument used to measure the output of the teletherapy unit;(c) An assessment of timer linearity and constancy;(d) The calculated on-off error;(e) A determination of the coincidence of the radiation field and the field indicated by the light beam localizing device;(f) The determined accuracy of each distance measuring and localization device;(g) The difference between the anticipated output and the measured output;(h) Notations indicating the operability of each entrance door electrical interlock, each electrical or mechanical stop, each source exposure indicator light, and the viewing and intercom system and doors; and(i) 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.(3) A licensee shall retain a copy of the procedures required by WAC 246-240-378(2) until the licensee no longer possesses the teletherapy unit.Wash. Admin. Code § 246-240-617
Statutory Authority: RCW 70.98.050. 06-05-019, § 246-240-617, filed 2/6/06, effective 3/9/06.