Hydrologic and geochemical controls on the transport of radionuclides in natural undisturbed arid environments as determined by accelerator mass spectrometry measurements. 1997 annual progress report

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'During FY97 this study has developed unique accelerator mass spectrometry (AMS) analytical techniques for measurement of {sup 99}Tc and {sup 129}I, which compliments an improved capability for measurement of {sup 36}Cl. The ability to measure these nuclides in natural soil samples has been demonstrated through analytical results obtained during FY97. Methods to determine the distribution of these nuclides in their natural setting, which will vary depending on site-specific chemical conditions, have also been developed. Spatially well-characterized soil samples have been collected from the vadose zone to a depth of -5 meters at the Nevada Test Site. To do this, a ... continued below

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9 pages

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Nimz, G.J.; Caffee, M.W.; Finkel, R.C. & McAninch, J.E. January 1, 1997.

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Description

'During FY97 this study has developed unique accelerator mass spectrometry (AMS) analytical techniques for measurement of {sup 99}Tc and {sup 129}I, which compliments an improved capability for measurement of {sup 36}Cl. The ability to measure these nuclides in natural soil samples has been demonstrated through analytical results obtained during FY97. Methods to determine the distribution of these nuclides in their natural setting, which will vary depending on site-specific chemical conditions, have also been developed. Spatially well-characterized soil samples have been collected from the vadose zone to a depth of -5 meters at the Nevada Test Site. To do this, a deep trench has been excavated and the geological setting for the soils has been well documented. Physical, chemical, and isotopic analysis of these soil samples during the course of this research project will result in a numerical computer model for moisture and radionuclide migration in arid soils that is valuable to nuclear waste storage, site remediation, and groundwater recharge concerns.'

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9 pages

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  • Other: DE00013540
  • Report No.: EMSP-55148--97
  • Grant Number: NONE
  • DOI: 10.2172/13540 | External Link
  • Office of Scientific & Technical Information Report Number: 13540
  • Archival Resource Key: ark:/67531/metadc620155

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  • January 1, 1997

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • June 13, 2016, 4:29 p.m.

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Nimz, G.J.; Caffee, M.W.; Finkel, R.C. & McAninch, J.E. Hydrologic and geochemical controls on the transport of radionuclides in natural undisturbed arid environments as determined by accelerator mass spectrometry measurements. 1997 annual progress report, report, January 1, 1997; California. (digital.library.unt.edu/ark:/67531/metadc620155/: accessed September 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.