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Dr. Thomas
To ask the Secretary of State for Energy, pursuant to his reply to the hon. Member for Meirionnydd Nant Conwy, 9 March, Official Report, columns 200–1, how much nuclear material in the United Kingdom has been subject to exchange of safeguards obligations on the basis of strict equivalent in quantity and quality, in each year since 1973.
Mr. Michael Spicer
This information could be provided only at disproportionate cost.