Radiological survey of the inactive uranium-mill tailings at Falls City, Texas

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Description

Results of a radiological survey conducted at the Falls City, Texas, site in July 1976 are presented. There are seven partial to fully stabilized tailings piles, and an overburden pile from an open-pit mine. Above ground gamma-ray exposure rate measurements show moderate levels of contamination throughout the area with a maximum exposure rate of 500 ..mu..R/hr above tailings pile 2. The average exposure rate over the different areas varied from 14 ..mu..R/hr over the southwest end of tailings pile 7 to 207 ..mu..R/hr over the northeast end of the same pile. Analyses of surface soil and dry-wash sediment samples, as ... continued below

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Pages: 75

Creation Information

Haywood, F.F.; Christian, D.J.; Loy, E.T.; Lorenzo, D. & Ellis, B.S. October 1, 1980.

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Description

Results of a radiological survey conducted at the Falls City, Texas, site in July 1976 are presented. There are seven partial to fully stabilized tailings piles, and an overburden pile from an open-pit mine. Above ground gamma-ray exposure rate measurements show moderate levels of contamination throughout the area with a maximum exposure rate of 500 ..mu..R/hr above tailings pile 2. The average exposure rate over the different areas varied from 14 ..mu..R/hr over the southwest end of tailings pile 7 to 207 ..mu..R/hr over the northeast end of the same pile. Analyses of surface soil and dry-wash sediment samples, as well as calculations of subsurface /sup 226/Ra distribution, serve to define the spread of tailings around the area. Water erosion of the tailings is evident, but, because of abundant growth of vegetation on the tailings piles, wind erosion probably is not a major problem.

Physical Description

Pages: 75

Notes

NTIS, PC A04/MF A01.

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  • Report No.: ORNL-5462
  • Grant Number: W-7405-ENG-26
  • DOI: 10.2172/5008978 | External Link
  • Office of Scientific & Technical Information Report Number: 5008978
  • Archival Resource Key: ark:/67531/metadc1055860

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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.

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Creation Date

  • October 1, 1980

Added to The UNT Digital Library

  • Jan. 22, 2018, 7:23 a.m.

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  • Feb. 1, 2018, 3:21 p.m.

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Haywood, F.F.; Christian, D.J.; Loy, E.T.; Lorenzo, D. & Ellis, B.S. Radiological survey of the inactive uranium-mill tailings at Falls City, Texas, report, October 1, 1980; Tennessee. (digital.library.unt.edu/ark:/67531/metadc1055860/: accessed November 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.