questionText: To ask the Secretary of State for Energy Security and Net Zero, what quantities of unprocessed plutonium remain within discharged irradiated spent nuclear fuel at (a) nuclear reactor sites and (b) Sellafield.
answerText: Plutonium is a by-product of nuclear fission, and it is present in small quantities in spent irradiated fuel. However, the quantities would vary based on the fuel and reactor type. The Office for Nuclear Regulation publishes annual figures on estimated am...
heading: Plutonium