§ Mr. CorbynTo ask the Secretary of State for Energy what is the isotopic composition of the Central Electricity Generating Board/South of Scotland Electricity Board origin plutonium sold, or currently leased, by Nuclear Electric or Scottish Nuclear to the United Kingdom Atomic Energy Authority for fast reactor research and development since 1969.
§ Mr. BaldryThe plutonium supplied to the United Kingdom Atomic Energy Authority by the utilities for the fast reactor research and development programme is mostly plutonium 239 in a variety of concentrations up to 80 per cent.