Medical supervision for people working with radioactivity

According to the Radiological Protection Ordinance (RPO), all individuals with professional exposure to ionizing radiation must undergo a medical examination before beginning work with radioactive sources or X-ray generators. Personnel professionally exposed to ionizing radiations must undertake a basic radioprotection safety course and agree to follow the rules established by the Ordinance, specifically those related to personal protection, management of waste, and individual dosimetry.


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The examination fees are covered by the unit and include:

  • A blood test (full blood count) by the medical assistant
  • A consultation (medical history & physical examination) with the occupational health specialist.

Case of Uranyl acetate and formate

Uranyl acetate and formate are extensively used as negative stains in electron microscopy. The possession of uranium-related products is however regulated by Federal ordinances and laws. This internal safety regulation is designed to protect your health and that of your colleagues.

The appendix provides examples that will also help you improve your work. Do not hesitate to ask for more information and to contact people experienced in this field.

In case of a radioactive substance spill

Leave the room immediately and post the Radioactive Spill Sign on the door (outside door of the lab).


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School Radiation Protection Officer

Faculty Radiation Protection Officers