§ Mr. Llew SmithTo ask the Secretary of State for Defence how much plutonium has been used in United Kingdom nuclear warhead production since 1953; and what is the current total inventory of weapons plutonium at nuclear sites in the United Kingdom and overseas territories.
§ Mr. HanleyIn the interests of national security, this information cannot be made public, the harm test, as set out in paragraph 3.7 of the White Paper on open government —Cm 2290—being applicable.