Singapore legislation
Regulation 72
of Radiation Protection (Ionising Radiation) Regulations 2023
Regulation 72
Radiation accident in non‑medical application
Subregulation 1
When any radiation accident occurs in a non‑medical application of ionising radiation or radioactive materials, the licensee, the radiation safety officer or the individual in charge of the area at the time must —
evacuate all individuals from the affected area;
block off the affected area and post warning signs at all its entrances;
take immediate action to reduce the hazards caused by the radiation accident;
make arrangements to provide temporary shielding, monitor and decontaminate any affected individual and the area and take all other actions necessary to return the situation to normal;
ensure that any personal clothing or other private property which is contaminated by radioactive materials is not taken from the premises or released to a public laundry without the approval of the Director‑General; and
refer affected individuals for medical observation and treatment.
Subregulation 2
The licensee or radiation safety officer must inform the Director‑General of the occurrence of any radiation accident by means of a preliminary oral report within 24 hours after the accident, which is to be confirmed in writing within 48 hours and a final full written report within 10 days after the accident.
Subregulation 3
The preliminary written report must contain the following details to the extent possible and the final full written report must contain all the following details:
the time, place and nature of the accident, the number of individuals affected and the manner in which they were affected and the period during which there was loss of control of ionising radiation or of radioactive material;
the area over which any radioactive substance may have been dispersed and the degree of contamination;
the actions taken to rectify the accident situation and to minimise the possibility of any future recurrence;
any individual who may have suffered radiation exposure and the assessment of the effective or committed effective radiation doses received by the individual;
the results of medical examinations carried out on affected individuals and, in the case of any internal exposure of individuals, the results of biological monitoring.