What does the term 'radiologically controlled area' refer to?

• A. An area where access is restricted due to radiological hazards.
• B. An area where only administrative staff may enter.
• C. An area where maintenance is performed daily.
• D. An area with heightened security but no radiological hazard.

Answer: (A)

A radiologically controlled area is a zone where radiation hazards are present and access is restricted to protect people from exposure. In these areas, only authorized personnel who have received appropriate training and who wear the required monitoring and protective equipment are allowed entry, and there are signs, entry controls, and procedures to manage radiation risk. This is why the best description is that the area is restricted because of radiological hazards—the presence of radiation drives the need for controls to limit dose to workers. The other settings described don’t reflect that protective, radiation-based restriction: one talks about only administrative staff, another about routine maintenance, and another about heightened security with no radiation hazard.