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Title: Post-Closure Performance Assessment for Deep Borehole Disposal of Cs/Sr Capsules

Abstract

Post-closure performance assessment (PA) calculations suggest that deep borehole disposal of cesium (Cs)/strontium (Sr) capsules, a U.S. Department of Energy (DOE) waste form (WF), is safe, resulting in no releases to the biosphere over 10,000,000 years when the waste is placed in a 3–5 km deep waste disposal zone. The same is true when a hypothetical breach of a stuck waste package (WP) is assumed to occur at much shallower depths penetrated by through-going fractures. Cs and Sr retardation in the host rock is a key control over movement. Calculated borehole performance would be even stronger if credit was taken for the presence of the WP.

Authors:
 [1];  [1];  [1]
  1. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Publication Date:
Research Org.:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1526231
Report Number(s):
SAND-2019-4379J
Journal ID: ISSN 1996-1073; ENERGA; 674824
Grant/Contract Number:  
AC04-94AL85000
Resource Type:
Accepted Manuscript
Journal Name:
Energies (Basel)
Additional Journal Information:
Journal Name: Energies (Basel); Journal Volume: 12; Journal Issue: 10; Journal ID: ISSN 1996-1073
Publisher:
MDPI AG
Country of Publication:
United States
Language:
English
Subject:
58 GEOSCIENCES; boreholes; cesium (Cs); strontium (Sr)

Citation Formats

Freeze, Geoff A., Stein, Emily, and Brady, Patrick V. Post-Closure Performance Assessment for Deep Borehole Disposal of Cs/Sr Capsules. United States: N. p., 2019. Web. doi:10.3390/en12101980.
Freeze, Geoff A., Stein, Emily, & Brady, Patrick V. Post-Closure Performance Assessment for Deep Borehole Disposal of Cs/Sr Capsules. United States. doi:10.3390/en12101980.
Freeze, Geoff A., Stein, Emily, and Brady, Patrick V. Thu . "Post-Closure Performance Assessment for Deep Borehole Disposal of Cs/Sr Capsules". United States. doi:10.3390/en12101980. https://www.osti.gov/servlets/purl/1526231.
@article{osti_1526231,
title = {Post-Closure Performance Assessment for Deep Borehole Disposal of Cs/Sr Capsules},
author = {Freeze, Geoff A. and Stein, Emily and Brady, Patrick V.},
abstractNote = {Post-closure performance assessment (PA) calculations suggest that deep borehole disposal of cesium (Cs)/strontium (Sr) capsules, a U.S. Department of Energy (DOE) waste form (WF), is safe, resulting in no releases to the biosphere over 10,000,000 years when the waste is placed in a 3–5 km deep waste disposal zone. The same is true when a hypothetical breach of a stuck waste package (WP) is assumed to occur at much shallower depths penetrated by through-going fractures. Cs and Sr retardation in the host rock is a key control over movement. Calculated borehole performance would be even stronger if credit was taken for the presence of the WP.},
doi = {10.3390/en12101980},
journal = {Energies (Basel)},
number = 10,
volume = 12,
place = {United States},
year = {2019},
month = {5}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record

Citation Metrics:
Cited by: 2 works
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Figures / Tables:

Figure 1 Figure 1: Generalized Schematic of the Deep Borehole Disposal Concept.

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Works referenced in this record:

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The ‘granite encapsulation’ route to the safe disposal of Pu and other actinides
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    Works referencing / citing this record:

    Status of Deep Borehole Disposal of High-Level Radioactive Waste in Germany
    journal, July 2019

    • Bracke, Guido; Kudla, Wolfram; Rosenzweig, Tino
    • Energies, Vol. 12, Issue 13
    • DOI: 10.3390/en12132580

      Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.