Power failures.

CFR · 2024-01-01 · US · Title 10

(a) If electrical power at a panoramic irradiator is lost for longer than 10 seconds, the sources must automatically return to the shielded position. (b) The lock on the door of the radiation room of a panoramic irradiator may not be deactivated by a power failure. (c) During a power failure, the area of any irradiator where sources are located may be entered only when using an operable and calibrated radiation survey meter.

official document · source cfr-2024 · id 10:§ 36.37