| 1) | A holder of an authority shall not commence any work with a Group IV hazardous substance unless he has made an assessment to identity the nature and magnitude of any radiation hazard to any person which may possibly arise from that work should any accident occur. |
| 2) | Where an assessment referred to in subregulation (1) shows that a radiation hazard exists, the holder shall take steps to prevent any such accident. |
| 3) | Where the assessment made in terms of subregulation (1) shows that, as a result of any reasonably foreseeable accident or incident involving a Group IV hazardous substance— |
| a) | an employee or any another person may possibly receive a dose of ionising radiation exceeding any applicable dose limit prescribed in Annexure 2; or |
| b) | it will be necessary to consider any area, other than a controlled area, to be a controlled area as a safety precaution, |
the holder shall devise a contingency plan that is designed to guarantee the restriction of exposure to ionising radiation and the health and safety of persons who may be affected by the accident or incident to which the plan pertains.
| 4) | For the purposes of formulating the contingency plan, a holder shall consult any suitable persons, bodies and authorities and where any emergency service forms part of the plan shall furnish to that service any information enabling it to perform its function in accordance with the plan. |
| 5) | A holder shall ensure that— |
| a) | a copy of the contingency plan formulated in accordance with subregulation (3) is included in his internal rules; |
| b) | any employee under his control who may become involved in, or be affected by, the arrangements in the plan, receives sufficient instructions and is supplied with appropriate dosimeters and other safety equipment; and |
| c) | the arrangements in the plan are rehearsed in consultation with the radiation protection officer. |
