Illinois Administrative Code
Title 32 - ENERGY
Part 346 - LICENSES AND RADIATION SAFETY REQUIREMENTS FOR IRRADIATORS
Subpart C - DESIGN AND PERFORMANCE REQUIREMENTS OF IRRADIATORS
Section 346.370 - Power Failures

a) If electrical power at a panoramic irradiator is lost for longer than 10 seconds, the sources shall automatically return to the shielded position.

b) The lock on the door of the radiation room of a panoramic irradiator shall not be deactivated by a power failure.

c) During a power failure, the area of any irradiator where the sources are located may be entered only when using an operable and calibrated radiation survey meter.

d) If non-electrical power is used to control or operate any irradiator safety feature, failure of that power source shall automatically return the radiation sources to their fully shielded position.