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Open radiation sources

Open radiation sources must be disposed of in accordance with the level of activity and half-lives of the radionuclides involved.

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Disposal of open radiation sources must be handled in different ways depending on the level of activity and half-life of the nuclides that are used. User is responsible for ensuring that waste is handled in a proper and timely manner in relation to the radiation level on the waste.

 

The University of Bergen divides waste as follows:

  • Waste that should be left to decay. At UiB it will be possible to leave F-18, P-32 and I-124 to decay and then dispose of as problematic waste / hazardous waste.
  • Waste with a level of activity below the exemption thresholds indicated in the “Regulations on Pollution Control Act apply to radioactive contamination and radioactive waste”.
  • Waste with a level of activity above the exemption thresholds indicated in the “Regulations on Pollution Control Act apply to radioactive contamination and radioactive waste”.

Radioactive waste must be delivered to apporoved waste company at least once a year.

Biological material containing radionuclides
For cadavers of animals, parts of animals or tissue that has been injected with radionuclides, the waste category that applies is determined by the activity or activity concentration of the radionuclide.It is important to note that animals, or parts of animals, must not be so large that there is insufficient room for them in the plastic container. It must also be possible to lift this easily. See “pathological/biological waste” under “Problem Waste”.

Discharges to air and water
All discharges to water (sewers) and air must be approved by the Norwegian Radiation Protection Authority.The UiB wishes to minimise discharges of radioactive compounds as far as possible, and for this reason the handling procedures must be followed. Anyone requiring such permission should contact the local radiological protection coordinator at their unit, who – in consultation with the UiBs central radiological protection coordinator – must apply to the Norwegian Radiation Protection Authority for a permit to discharge waste.