the world, 5 about 25% is believed to be held in military stockpiles. By the year 2005, it is estimated that as a result of nuclear arms reduction agreements and pledges, about 100 MT will be declared excess (50 MT each from the United States and Russia).6 The subject addressed by the committee in its current report is an evaluation of the scientific and technological issues influencing the potential application of electrometallurgical treatment to the disposition of excess weapons plutonium.

Figure 2. Current ANL electrometallurgical process scheme, in which the cadmium cathode has been removed. In adaptation of the process for treatment of plutonium, the plutonium would be introduced at the point denoted spent fuel, metallic and oxide forms.


The general issue of the disposition of excess weapons plutonium has been thoroughly addressed by CISAC and its Reactor Panel. Working under the assumption that the duration of intermediate storage of


Management and Disposition of Excess Weapons Plutonium: Reactor-Related Options, Panel on Reactor-Related Options for the Disposition of Excess Weapons Plutonium, Committee on International Security and Arms Control (CISAC), National Academy Press, Washington, D.C., 1995, p. 51.


See the report cited in footnote 5, p. 49.

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