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Releases of technetium-99 from Sellafield

Target

4.2 Releases of substances that are hazardous to health or the environment will be eliminated.

Indicator

Estimated risk of releases from selected foreign sources that may affect Norway
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Are we moving in the right direction? Published by the Norwegian Radiation Protection Authority

In the mid-1990s, the technetium-99 discharges from Sellafield to the Irish Sea increased, growing from a few TBq per year to a peak of 190 TBq in 1995. The technetium-99 discharges remained relatively high until 2003-2004, when Sellafield implemented new technology to remove technetium-99.

During the last few years, the discharges have been below 10 TBq per year, and the discharge in 2016 was 1.9 TBq.