What should visitors do before entering radiologically controlled areas?

Before entering radiologically controlled areas, it is essential for visitors to receive authorization from radiation protection management. This step ensures that those entering the area are aware of the potential hazards and safety protocols associated with radiation exposure. Authorization typically involves confirming that the visitor has been briefed on the safety measures and understands the significance of adhering to operational procedures. This process is crucial to maintaining safety and regulatory compliance within environments that involve radiation.

In contrast, while a written request or waiting for a tour guide may seem relevant in other contexts, they do not address the specific safety needs associated with radiologically controlled areas. Likewise, purchasing a visitor ticket is unrelated to the safety and authorization protocols required when it comes to exposure to radiation. Thus, receiving proper authorization stands out as the necessary step to ensure the safety of visitors and compliance with regulatory standards.