Washington Administrative Code
Title 246 - Health, Department of
RADIATION
Chapter 246-240 - Radiation protection Medical use of radioactive material
OTHER MEDICAL USES OF RADIOACTIVE MATERIAL OR RADIATION FROM RADIOACTIVE MATERIAL RECORDS
Section 246-240-617 - Records of periodic spot-checks for teletherapy units
Universal Citation: WA Admin Code 246-240-617
Current through Register Vol. 24-18, September 15, 2024
(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.
Statutory Authority: RCW 70.98.050. 06-05-019, § 246-240-617, filed 2/6/06, effective 3/9/06.
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