(1) Whether the Government has a stock of weapons-grade uranium; if so, (a) how much has been stockpiled, (b) what is the purpose of stockpiling weapons-grade uranium and (c) how many nuclear weapons could be constructed with the stockpile of weapons-grade uranium; (2) whether the Government has a plan to dispose of the stockpile of weapons-grade uranium; if not, why not; if so, (a) when will the stockpile be disposed of and (b) what are the further relevant details of the plan; (3) what safeguards are in place to ensure that the weapons-grade uranium stockpile does not become a proliferation risk?