What Action Is Required in the Case of Radiation Overexposure

What action is required in the case of radiation overexposure?

A) Immediately notify all staff members of the exposure.
B) The exposed worker is to remain at the worksite until an investigation is complete by CNSC.
C) The exposed worker is to remain at the worksite until decontaminated.
D) Conduct an investigation within 21 days.
E) Identify and take any action required to prevent the occurrence of a similar incident.