HC Deb 29 January 1985 vol 72 c100W
Mr. Robin Cook

asked the Secretary of State for Energy if he will publish in the Official Report a typical inventory of the different plutonium isotopes carried in a package of plutonium nitrate between Dounreay and Sellafield.

Mr. Goodlad

The isotopic composition of the plutonium nitrate liquor in any package will vary with its radiation history. The following breakdown is roughly typical:

per cent.
Plutonium 239 70
Plutonium 240 25
Plutonium 241 4
Other isotopes 1

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