Question to the Ministry of Defence:
To ask the Secretary of State for Defence, how many nuclear safety events there have been at (a) Coulport and (b) Faslane in each of the last three years.
The safety significance of all reported events remains low and are below Level 1, the lowest of the seven-point International Nuclear and Radiological Event Scale (INES).
None of the events caused harm to the health of any member of staff on the Naval Base or to any member of the public or have resulted in any radiological impact to the environment.
The table below provides the number of Nuclear Site Event Reports (NSERs) at Coulport and Faslane recorded for 2019, 2020 and 2021. These are shown according to their categorisation using criteria agreed locally in 2015.
Nuclear Site Events - 2019 | Category A | Category B | Category C | Category D | Below Scale |
Coulport | 0 | 0 | 1 | 4 | 13 |
Faslane | 0 | 1 | 5 | 46 | 88 |
Nuclear Site Events - 2020 | Category A | Category B | Category C | Category D | Below Scale |
Coulport | 0 | 0 | 0 | 0 | 26 |
Faslane | 0 | 0 | 1 | 26 | 96 |
Nuclear Site Events - 2021 | Category A | Category B | Category C | Category D | Below Scale |
Coulport | 0 | 1 | 0 | 8 | 32 |
Faslane | 0 | 2 | 10 | 33 | 67 |