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Releases from Norwegian sources

Target

4.1 Pollution will not cause injury to health or environmental damage.

Indicator

Total annual releases of selected radioactive substances from Norwegian sources

Are we moving in the right direction? Published by Norwegian Radiation Protection Authority

Discharges from the oil and gas industry

In 2016, 138 million cubic metres of produced water was discharged from the Norwegian oil and gas industry. Discharges have been rather stable in recent years.

Produced water contains the natural radionuclides radium-226 and radium-228 at activity concentrations about 1000 times higher than those in seawater. 

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Discharges from hospitals and research institutions

In Norway, radioactive nuclides are discharged to the terrestrial environment from hospitals and research institutions. The nuclides discharged in the largest quantities are technetium-99m and iodine-131. Both of these have short half-lives (6 hours and 8.1 days respectively) and they are probably not a major source of pollution.

Discharges from nuclear research reactors

The Institute for Energy Technology operates two research reactors, one at Kjeller outside Oslo and one in Halden near the border with Sweden. A serious accident at one of the reactors could result in local emissions of radioactivity to air, but the likelihood of major damage to health or the environment is small. Nevertheless, there are contingency plans for such events.