Surface gamma-ray survey of SX Tank Farm

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Description

Measurements made over the surface of the SX Tank Farm at Hanford show Cs 137 to be the only significant gamma ray emitting contaminant. A high-purity germanium detector collected the data in the surface survey. Most of the detected radiation originated from specific above ground objects, such as pipes and vents. One area of increased radiation in the north section of the tank farm between tanks SX-102 and SX-105, was apparently due to contamination of the soil by Cs 137. An area of interest near tanks SX-108, SX-111, and SX-112, below which borehole logs has indicated deep Cs 137 contamination, ... continued below

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18 p.

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Stromswold, D.C. & Arthur, R.J. August 1, 1996.

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Description

Measurements made over the surface of the SX Tank Farm at Hanford show Cs 137 to be the only significant gamma ray emitting contaminant. A high-purity germanium detector collected the data in the surface survey. Most of the detected radiation originated from specific above ground objects, such as pipes and vents. One area of increased radiation in the north section of the tank farm between tanks SX-102 and SX-105, was apparently due to contamination of the soil by Cs 137. An area of interest near tanks SX-108, SX-111, and SX-112, below which borehole logs has indicated deep Cs 137 contamination, also showed Cs 137 at the surface, but the signal originated mainly from surface objects rather than from contaminated soils. A significant result of the surface survey is the understanding that surface objects with contamination can affect the signal observed by borehole logging tools as they reach the ground surface.

Physical Description

18 p.

Notes

INIS; OSTI as DE96050375

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  • Other Information: PBD: Aug 1996

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  • Other: DE96050375
  • Report No.: PNNL--11279
  • Grant Number: AC06-76RL01830
  • DOI: 10.2172/390549 | External Link
  • Office of Scientific & Technical Information Report Number: 390549
  • Archival Resource Key: ark:/67531/metadc674176

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • August 1, 1996

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

Description Last Updated

  • April 7, 2016, 12:42 p.m.

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Stromswold, D.C. & Arthur, R.J. Surface gamma-ray survey of SX Tank Farm, report, August 1, 1996; Richland, Washington. (digital.library.unt.edu/ark:/67531/metadc674176/: accessed November 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.