Section 0400-20-07-.105 - 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 Rule 0400-20-07-.72 for 3 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.Tenn. Comp. R. & Regs. 0400-20-07-.105
Original rule filed February 22, 2012; effective May 22, 2012.Authority: T.C.A. §§ 68-202-101 et seq., 68-202-201 et seq. and 4-5-201 et seq.