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Safeguards issues relevant to geologic disposal of spent nuclear fuels

Conference · · Transactions of the American Nuclear Society; (USA)
OSTI ID:6774711
 [1]
  1. Los Alamos National Lab., NM (USA)

Two major controversies surrounding the nuclear industry are radioactive waste management and nuclear material safeguards. Although the current policy of the United States is to dispose of spent fuels from light water reactors in geologic repositories, very few member states of the International Atomic Energy Agency have adopted this policy of burying valuable energy resources in geological repositories in perpetuity. Most European states that are considering geologic emplacement of spent fuels are only considering it as an interim measure for possible reuse of the resources in the future. In all these cases, safeguarding nuclear materials contained within the spent fuels is important to prevent proliferation and possible diversion of nuclear materials from peaceful uses. In civilian nuclear fuel cycles, the time between removal of spent nuclear fuels from reactors and the final stages of nuclear waste disposal spans several decades. Safeguarding nuclear materials contained in spent fuels during this period varies with (a) storage modes, (b) packaging and transportation requirements, and (c) treatment of spent fuel for consolidation or recovery of fissile elements. This paper considers some possible diversion scenarios of spent nuclear fuels and identifies actions necessary to evaluate the needs of a comprehensive safeguards system to assure both domestic and international safeguards.

OSTI ID:
6774711
Report Number(s):
CONF-891103--
Journal Information:
Transactions of the American Nuclear Society; (USA), Journal Name: Transactions of the American Nuclear Society; (USA) Vol. 60; ISSN TANSA; ISSN 0003-018X
Country of Publication:
United States
Language:
English