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OCR for page 61
Appendix A
Charge to the Panel
The National Academy of Sciences will convene a committee of
experts to conduct a 14-month study to
.
(1) amplify and clarify the "spent-fuel standard" introduced in the
Academy's 1994 and 1995 reports on disposition of excess weapons
plutonium as the criterion for judging the adequacy of resistance
to theft and proliferation conferred by the characteristics of the
final plutonium form produced by a disposition option;
(2) use the results of part (1) to determine whether the final pluto-
nium forms produced by the two primary disposition methods
being implemented by the Department of Energy under the hybrid
approach adequately meet the spent-fuel standard.
In Task 1 the study will review efforts made in the 1994-1995 NAS
reports and subsequently to quantify the spent-fuel standard, and it will
suggest appropriate metrics for determining whether a given immobiliza-
tion end-product or spent-fuel form adequately meets the standard.
The two disposition options for which the final plutonium forms will
be analyzed under these metrics are
(a) "can-in-canister" immobilization of the plutonium in combination
with high-level radioactive wastes, and
(b) once-through irradiation of the plutonium in mixed-oxide (MOX)
fuel in commercial LWR or CANDU reactors.
61
OCR for page 62
62 SPENT-FUEL STANDARD FOR DISPOSITION OF EXCESS WEAPON PLUTONIUM
The study will not address the proliferation and theft resistance of the
steps that lead, under these disposition options, to the final plutonium
forms, and it will not address issues related to geologic disposal or interim
storage of these final forms except insofar as the properties of the final
forms under such disposal or storage relate to assessing compliance with
the spent-fuel standard.
.p
6
Representative terms from entire chapter:
plutonium forms
