Dounreay

Defence written question – answered on 20th March 2014.

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Photo of Angus Robertson Angus Robertson Shadow SNP Spokesperson (Defence), Shadow SNP Spokesperson (Foreign and Commonwealth Office), Shadow SNP Westminster Group Leader

To ask the Secretary of State for Defence which radionuclides were emitted from the Vulcan Naval Reactor Test Establishment at Dounreay following the January 2012 incident; and in what quantities.

Photo of Philip Dunne Philip Dunne The Parliamentary Under-Secretary of State for Defence

Discharges from the Naval Reactor Test Establishment have remained well within the limits approved by the Scottish Environment Protection Agency. The most up-to-date figures are from 2012, and are shown in the following tables.

Annual Site Liquid Discharges (MBq)
Type 2012 SEPA approved limit
Cobalt-60 53 15,000
Other Beta 221 5,000
Tritium 21,688 150,000
Annual Site Gaseous Discharges (MBq)
Type 2012 SEPA approved limit
Noble Gas 2,157 5,000
Beta Particulate 1.2 5.1

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