After beam operations, what is essential to ensure safety for all personnel?

Establishing controls based on survey results is crucial for ensuring the safety of all personnel after beam operations. After the operation, radiation surveys are conducted to assess the levels of radiation in the surrounding area. These survey results provide essential information about potential exposure risks and help determine if the area is safe for personnel to enter.

By implementing controls informed by these results, such as restricting access to areas with higher radiation levels or providing appropriate personal protective equipment (PPE), workers are better protected from exposure. The actions taken based on survey data are fundamental in maintaining a safe working environment in radiological settings, ensuring that all personnel are adequately shielded from any residual radiation hazards.

The other options, while they may seem relevant, do not directly address the need for an informed safety protocol based on actual measurements of radiation levels after operations. For instance, resuming operations without evaluating conditions could pose risks, clearing the area without assessment might not account for leftover radiation, and conducting maintenance does not directly relate to ensuring immediate personnel safety after beam use without prior assessments.