R9-7-909. Warning Systems

A registrant shall ensure that: 1. High radiation areas and entrances to the high radiation areas in medical facilities are equipped with a continuously-operating warning light system that operates when, and only when, radiation is produced; 2. High radiation areas and entrances to the high radiation areas in nonmedical facilities are equipped with an easily- observable flashing or rotating warning light system that operates when, and only when, radiation is produced; 3. High radiation areas associated with nonmedical particle accelerators have an audible warning device that is activated for 15 seconds before creation of the high radiation area; and the warning device is clearly discernible in all high radiation areas and all radiation areas; and 4. High radiation areas associated with any particle accelerator are posted according to R9-7-428 and R9-7-429.