Asphalt emulsion sealing of uranium mill tailings. 1979 annual report

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Uranium mill tailings are a source of low-level radiation and radioactive materials that may be released into the environment. Stabilization or disposal of these tailings in a safe and environmentally sound way is necessary to minimize radon exhalation and other radioactive releases. One of the most promising concepts for stabilizing uranium tailings is being investigated at the Pacific Northwest Laboratory: the use of asphalt emulsion to contain radon and other potentially hazardous materials in uranium tailings. Results of these studies indicate that radon flux from uranium tailings can be reduced by greater than 99% by covering the tailings with an ... continued below

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Hartley, J.N.; Koehmstedt, P.L.; Esterl, D.J. & Freeman, H.D. June 1, 1980.

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  • Pacific Northwest Laboratory
    Publisher Info: Battelle Pacific Northwest Labs., Richland, WA (USA)
    Place of Publication: Richland, Washington

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Description

Uranium mill tailings are a source of low-level radiation and radioactive materials that may be released into the environment. Stabilization or disposal of these tailings in a safe and environmentally sound way is necessary to minimize radon exhalation and other radioactive releases. One of the most promising concepts for stabilizing uranium tailings is being investigated at the Pacific Northwest Laboratory: the use of asphalt emulsion to contain radon and other potentially hazardous materials in uranium tailings. Results of these studies indicate that radon flux from uranium tailings can be reduced by greater than 99% by covering the tailings with an asphalt emulsion that is poured on or sprayed on (3.0 to 7.0 mm thick), or mixed with some of the tailings and compacted to form an admixture seal (2.5 to 15.2 cm) containing 18 wt % residual asphalt.

Notes

NTIS, PC A05/MF A01.

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  • Report No.: PNL-3290
  • Grant Number: AC06-76RL01830
  • DOI: 10.2172/5201004 | External Link
  • Office of Scientific & Technical Information Report Number: 5201004
  • Archival Resource Key: ark:/67531/metadc1059466

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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

  • June 1, 1980

Added to The UNT Digital Library

  • Jan. 22, 2018, 7:23 a.m.

Description Last Updated

  • Feb. 1, 2018, 1:42 p.m.

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Hartley, J.N.; Koehmstedt, P.L.; Esterl, D.J. & Freeman, H.D. Asphalt emulsion sealing of uranium mill tailings. 1979 annual report, report, June 1, 1980; Richland, Washington. (digital.library.unt.edu/ark:/67531/metadc1059466/: accessed August 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.