A risk management approach to nuclear waste inventory versus storage capacity

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Description

Nuclear waste is presently stored in 177 underground storage tanks at -the U. S. Department of Energy`s Hanford Site in Washington State. The storage tanks are of two construction types, 149 single-shell tanks (SSTS) and 28 double-shell tanks (DSTs). No waste has been added to the SSTs since 1980. However, the DSTs are configured to receive additional waste from site waste generators. The overall waste inventory is time dependent and strongly influenced by present and future tank farm operations. These operations include waste evaporation, retrieval, pretreatment, and processing; waste generated from various site facilities; and SST waste inventory transferred to ... continued below

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23 p.

Creation Information

Awadalla, N.G. October 2, 1996.

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This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. More information about this report can be viewed below.

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  • Westinghouse Hanford Company
    Publisher Info: Westinghouse Hanford Co., Richland, WA (United States)
    Place of Publication: Richland, Washington

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Description

Nuclear waste is presently stored in 177 underground storage tanks at -the U. S. Department of Energy`s Hanford Site in Washington State. The storage tanks are of two construction types, 149 single-shell tanks (SSTS) and 28 double-shell tanks (DSTs). No waste has been added to the SSTs since 1980. However, the DSTs are configured to receive additional waste from site waste generators. The overall waste inventory is time dependent and strongly influenced by present and future tank farm operations. These operations include waste evaporation, retrieval, pretreatment, and processing; waste generated from various site facilities; and SST waste inventory transferred to the DSTS. A risk-based simulation model was developed to replicate the waste inventory through the year 2015. The DST waste,,; were divided into three waste types (aging, complexed, @md non-complexed) that were simulated in the model. For each of the three waste types, statistical analyses were performed and the time-de,Pendent waste volumes at the ``mean`` and ``90% confidence level`` were compared with existing DST capacity. Several ``off-normal`` operation scenarios were also analyzed using the risk-based simulation model. Mitigating actions or fallback positions were modeled where off- normal scenarios indicated that capacity shortfalls could potentially occur. The results indicated that selected fallback positions were adequate to ensure that the storage capacity exceeded the waste invento0167ry during the affected time periods.

Physical Description

23 p.

Notes

OSTI as DE98059042

Source

  • Other Information: PBD: 2 Oct 1996

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  • Other: DE98059042
  • Report No.: WHC-SA--3129-FP
  • Grant Number: AC06-96RL13200
  • DOI: 10.2172/332194 | External Link
  • Office of Scientific & Technical Information Report Number: 332194
  • Archival Resource Key: ark:/67531/metadc677346

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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Creation Date

  • October 2, 1996

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • June 14, 2016, 7:38 p.m.

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Awadalla, N.G. A risk management approach to nuclear waste inventory versus storage capacity, report, October 2, 1996; Richland, Washington. (digital.library.unt.edu/ark:/67531/metadc677346/: accessed September 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.