What should you do if the exit portal monitor alarms?

• A. Proceed to exit and ignore the alarm.
• B. Stay in the area and notify the appropriate personnel according to your station's procedure.
• C. Silence the alarm and continue working.
• D. Leave the area immediately without reporting.

Answer: (B)

An exit portal monitor alarm signals that something detected at the boundary between controlled and non-controlled areas may be present, so you must pause and respond through the station’s procedures. The best action is to stay where you are in the area and notify the appropriate personnel according to your station’s protocol. This lets trained staff verify whether there’s actual contamination or radiation, determine if decontamination is needed, and log the incident for safety and compliance. Following the procedure ensures a controlled, documented response that protects you and others. Ignoring the alarm, silencing it, or leaving without reporting bypasses safety controls and can allow hazardous material to go unaddressed, creating risk and potential noncompliance.