1. Britain's Policies on Fissile Materials: The Next Steps
... It is again difficult to provide accurate estimates of the quantities currently held in weapons and in stocks, although the margins of error are less than with HEU. All information on military plutonium in Britain remains classified. Calder Hall and Chapelcross Britain's plutonium production began at Windscale (later renamed Sellafield) in 1951. Between 1951 and 1957, around 400 ... quantities of plutonium and HEU may also be present in contaminated buildings, equipment, scraps and wastes at Aldermaston and Burghfield in particular. There is no public information on these inventories, nor...
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- Approx Pages: 56
- Grade Level: Undergraduate