Uncertainty and sensitivity analyses for gas and brine migration at the Waste Isolation Pilot Plant, May 1992

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Uncertainty and sensitivity analysis techniques based on Latin hypercube sampling, partial correlation analysis, stepwise regression analysis and examination of scatterplots are used in conjunction with the BRAGFLO model to examine two phase flow (i.e., gas and brine) at the Waste Isolation Pilot Plant (WIPP), which is being developed by the US Department of Energy as a disposal facility for transuranic waste. The analyses consider either a single waste panel or the entire repository in conjunction with the following cases: (1) fully consolidated shaft, (2) system of shaft seals with panel seals, and (3) single shaft seal without panel seals. The … continued below

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140 p.

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Helton, J. C.; Bean, J. E.; Butcher, B. M.; Garner, J. W.; Vaughn, P.; Schreiber, J. D. et al. August 1, 1993.

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  • Helton, J. C. Arizona State Univ., Tempe, AZ (United States)
  • Bean, J. E. New Mexico Engineering Research Inst., Albuquerque, NM (United States)
  • Butcher, B. M. Sandia National Labs., Albuquerque, NM (United States)
  • Garner, J. W.
  • Vaughn, P. Applied Physics, Inc., Albuquerque, NM (United States)
  • Schreiber, J. D. Science Applications International Corp., Albuquerque, NM (United States)
  • Swift, P. N. Tech Reps, Inc., Albuquerque, NM (United States)

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

Uncertainty and sensitivity analysis techniques based on Latin hypercube sampling, partial correlation analysis, stepwise regression analysis and examination of scatterplots are used in conjunction with the BRAGFLO model to examine two phase flow (i.e., gas and brine) at the Waste Isolation Pilot Plant (WIPP), which is being developed by the US Department of Energy as a disposal facility for transuranic waste. The analyses consider either a single waste panel or the entire repository in conjunction with the following cases: (1) fully consolidated shaft, (2) system of shaft seals with panel seals, and (3) single shaft seal without panel seals. The purpose of this analysis is to develop insights on factors that are potentially important in showing compliance with applicable regulations of the US Environmental Protection Agency (i.e., 40 CFR 191, Subpart B; 40 CFR 268). The primary topics investigated are (1) gas production due to corrosion of steel, (2) gas production due to microbial degradation of cellulosics, (3) gas migration into anhydrite marker beds in the Salado Formation, (4) gas migration through a system of shaft seals to overlying strata, and (5) gas migration through a single shaft seal to overlying strata. Important variables identified in the analyses include initial brine saturation of the waste, stoichiometric terms for corrosion of steel and microbial degradation of cellulosics, gas barrier pressure in the anhydrite marker beds, shaft seal permeability, and panel seal permeability.

Physical Description

140 p.

Notes

INIS; OSTI as DE94001701; Paper copy available at OSTI: phone, 865-576-8401, or email, reports@adonis.osti.gov

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  • Other Information: PBD: Aug 1993

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  • August 1, 1993

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  • Jan. 12, 2019, 4:41 p.m.

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  • Jan. 23, 2019, 3:25 p.m.

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Helton, J. C.; Bean, J. E.; Butcher, B. M.; Garner, J. W.; Vaughn, P.; Schreiber, J. D. et al. Uncertainty and sensitivity analyses for gas and brine migration at the Waste Isolation Pilot Plant, May 1992, report, August 1, 1993; Albuquerque, New Mexico. (https://digital.library.unt.edu/ark:/67531/metadc1402413/: accessed July 16, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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