A summary and discussion of hydrologic data from the Calico Hills nonwelded hydrogeologic unit at Yucca Mountain, Nevada

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This report is a summary of available hydrologic data from in situ and laboratory testing of the Calico Hills nonwelded hydrogeologic unit, including hydraulic conductivity, porosity, saturation, pore-size distribution and parameters from curve-fits to pressure-saturation data. Sample statistics of hydraulic conductivity, porosity and saturation data for vitric, devitrified and zeolitic tuffs are presented and discussed. While a high degree of variability is observed in both laboratory and in situ hydraulic conductivity measurements, uncertainties arising from differences in size of laboratory test samples, sample handling, test procedures and insufficient number of samples point to the need for additional data of specific ... continued below

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107 p.

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Loeven, C. January 1, 1993.

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Description

This report is a summary of available hydrologic data from in situ and laboratory testing of the Calico Hills nonwelded hydrogeologic unit, including hydraulic conductivity, porosity, saturation, pore-size distribution and parameters from curve-fits to pressure-saturation data. Sample statistics of hydraulic conductivity, porosity and saturation data for vitric, devitrified and zeolitic tuffs are presented and discussed. While a high degree of variability is observed in both laboratory and in situ hydraulic conductivity measurements, uncertainties arising from differences in size of laboratory test samples, sample handling, test procedures and insufficient number of samples point to the need for additional data of specific types to adequately characterize the unit. Hydrologic issues related to transport analysis in the Calico Hills nonwelded hydrogeologic unit at Yucca Mountain are discussed together with recommendations for future work. The compiled data are included as an appendix.

Physical Description

107 p.

Notes

INIS; OSTI as DE93006097

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  • Other Information: PBD: Jan 1993

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  • Other: DE93006097
  • Report No.: LA--12376-MS
  • Grant Number: W-7405-ENG-36
  • DOI: 10.2172/138893 | External Link
  • Office of Scientific & Technical Information Report Number: 138893
  • Archival Resource Key: ark:/67531/metadc619252

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Office of Scientific & Technical Information Technical Reports

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  • January 1, 1993

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • Feb. 26, 2016, 6:30 p.m.

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Loeven, C. A summary and discussion of hydrologic data from the Calico Hills nonwelded hydrogeologic unit at Yucca Mountain, Nevada, report, January 1, 1993; New Mexico. (digital.library.unt.edu/ark:/67531/metadc619252/: accessed October 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.