To ask the Secretary of State for Defence with reference to the answer of 24 November 2008, Official Report, column 904W, on nuclear weapons, whether beryllium was used in the nuclear trials codenamed (a) Hurricane, (b) Totem, (c) Mosaic, (d) Buffalo, (e) Grapple, (f) Antler, (g) Grapple X, (h) Grapple Y and (i) Grapple Z. (241999)

I can confirm that Beryllium was used in the nuclear trial series codenamed Hurricane, Totem, Mosaic, Buffalo, Grapple, Antler, Grapple X, Grapple Y, and Grapple Z.