Release and transport of gaseous C-14 from a nuclear waste repository in an unsaturated medium

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The potential nuclear waste repository at Yucca Mountain is to be in partially saturated rock. Released radioactive gases such as {sup 14}CO{sub 2} could have a direct pathway to the biosphere. We study the release of {sup 14}C released as {sup 14}CO{sub 2} from partly failed nuclear waste containers by analyzing the flow of gas into and out of a container. We analyze the transport of released {sup 14}CO{sub 2} in an unsaturated, fractured, porous medium with gas-phase advection and dispersion. We calculate the inhalation dose to a maximally exposed individual above ground, based on some conservative assumptions about release ... continued below

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10 p.

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Light, W.B.; Zwahlen, E.D.; Pigford, T.H.; Chambre, P.L. & Lee, W.W.L. November 1, 1990.

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Description

The potential nuclear waste repository at Yucca Mountain is to be in partially saturated rock. Released radioactive gases such as {sup 14}CO{sub 2} could have a direct pathway to the biosphere. We study the release of {sup 14}C released as {sup 14}CO{sub 2} from partly failed nuclear waste containers by analyzing the flow of gas into and out of a container. We analyze the transport of released {sup 14}CO{sub 2} in an unsaturated, fractured, porous medium with gas-phase advection and dispersion. We calculate the inhalation dose to a maximally exposed individual above ground, based on some conservative assumptions about release from containers. For the assumed parameter values, a simple atmospheric diffusion model gives very small doses when compared to background radiation doses. 12 refs., 4 figs., 1 tab.

Physical Description

10 p.

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INIS; OSTI as DE91011909

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  • Fall meeting of the Materials Research Society (MRS), Boston, MA (United States), 24 Nov - 1 Dec 1990

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  • Other: DE91011909
  • Report No.: LBL--29044
  • Report No.: CONF-901105--121
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 138106
  • Archival Resource Key: ark:/67531/metadc626398

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  • November 1, 1990

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  • June 16, 2015, 7:43 a.m.

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  • April 5, 2016, 10:38 a.m.

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Light, W.B.; Zwahlen, E.D.; Pigford, T.H.; Chambre, P.L. & Lee, W.W.L. Release and transport of gaseous C-14 from a nuclear waste repository in an unsaturated medium, article, November 1, 1990; California. (digital.library.unt.edu/ark:/67531/metadc626398/: accessed September 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.