Effects of tuff waste package components on release from 76-68 simulated waste glass: Final report

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An experimental matrix has been conducted that will allow evaluation of the effects of waste package constituents on the waste form release behavior in a tuff repository environment. Tuff rock and groundwater were used along with 304L, 316, and 1020M ferrous metals to evaluate release from uranium-doped MCC 76-68 simulated waste glass. One of the major findings was that in the absence of 1020M mild steel, tuff rock powder dominates the system. However, when 1020M mild steel is present, it appears to dominate the system. The rock-dominated system results in suppressed glass-water reaction and leaching while the 1020M-dominated system results ... continued below

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McVay, G.L. & Robinson, G.R. April 1, 1984.

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  • Pacific Northwest Laboratory
    Publisher Info: Pacific Northwest Lab., Richland, WA (United States)
    Place of Publication: Richland, Washington

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Description

An experimental matrix has been conducted that will allow evaluation of the effects of waste package constituents on the waste form release behavior in a tuff repository environment. Tuff rock and groundwater were used along with 304L, 316, and 1020M ferrous metals to evaluate release from uranium-doped MCC 76-68 simulated waste glass. One of the major findings was that in the absence of 1020M mild steel, tuff rock powder dominates the system. However, when 1020M mild steel is present, it appears to dominate the system. The rock-dominated system results in suppressed glass-water reaction and leaching while the 1020M-dominated system results in enhanced leaching - but the metal effectively scavenges uranium from solution. The 300-series stainless steels play no significant role in affecting glass leaching characteristics. 6 refs., 28 figs., 5 tabs.

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NTIS, PC A08/MF A01; OSTI as DE86010791

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  • Other Information: PBD: Apr 1984

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  • Other: DE86010791
  • Report No.: PNL--4897
  • Grant Number: AC06-76RL01830;AC03-76SF00098
  • DOI: 10.2172/59987 | External Link
  • Office of Scientific & Technical Information Report Number: 59987
  • Archival Resource Key: ark:/67531/metadc691756

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  • April 1, 1984

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • April 7, 2016, 6:17 p.m.

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McVay, G.L. & Robinson, G.R. Effects of tuff waste package components on release from 76-68 simulated waste glass: Final report, report, April 1, 1984; Richland, Washington. (digital.library.unt.edu/ark:/67531/metadc691756/: accessed November 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.