Position for determining gas phase volatile organic compound concentrations in transuranic waste containers

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In the conditional no-migration determination (NMD) for the test phase of the Waste isolation Pilot Plant (WIPP), the US Environmental Protection Agency (EPA) imposed certain conditions on the US Department of Energy (DOE) regarding gas phase volatile organic compound (VOC) concentrations in the void space of transuranic (TRU) waste containers. The EPA required the DOE to ensure that each waste container has no layer of confinement that contains flammable mixtures of gases or mixtures of gases that could become flammable when mixed with air. The EPA also required that sampling of the headspace of waste containers outside inner layers of ... continued below

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8 p.

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Connolly, M.J.; Liekhus, K.J.; Djordjevic, S.M. & Loehr, C.A. Spangler, L.R. December 1, 1995.

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Description

In the conditional no-migration determination (NMD) for the test phase of the Waste isolation Pilot Plant (WIPP), the US Environmental Protection Agency (EPA) imposed certain conditions on the US Department of Energy (DOE) regarding gas phase volatile organic compound (VOC) concentrations in the void space of transuranic (TRU) waste containers. The EPA required the DOE to ensure that each waste container has no layer of confinement that contains flammable mixtures of gases or mixtures of gases that could become flammable when mixed with air. The EPA also required that sampling of the headspace of waste containers outside inner layers of confinement be representative of the entire void space of the container. The EPA stated that all layers of confinement in a container would have to be sampled until DOE can demonstrate to the EPA that sampling of all layers is unnecessary. A test program was conducted to demonstrate that the gas phase VOC concentration in the void space of each layer of confinement in vented drums can be estimated from measured drum headspace using a theoretical transport model and that sampling of each layer of confinement is unnecessary. This report summarizes the studies performed in the INEL test program and extends them for the purpose of developing a methodology for determining gas phase VOC concentrations in both vented and unvented TRU waste containers. The methodology specifies conditions under which waste drum headspace gases can be said to be representative of drum gases as a whole and describes a method for predicting drum concentrations in situations where the headspace concentration is not representative.

Physical Description

8 p.

Notes

INIS; OSTI as DE96003511

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  • Waste management `96: HLW, LLW, mixed wastes and environmental restoration - working towards a cleaner environment, Tucson, AZ (United States), 25-29 Feb 1996

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  • Other: DE96003511
  • Report No.: INEL--95/00461
  • Report No.: CONF-960212--2
  • Grant Number: AC07-94ID13223
  • DOI: 10.2172/118375 | External Link
  • Office of Scientific & Technical Information Report Number: 155781
  • Archival Resource Key: ark:/67531/metadc619019

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

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  • December 1, 1995

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • Feb. 25, 2016, 12:28 p.m.

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Connolly, M.J.; Liekhus, K.J.; Djordjevic, S.M. & Loehr, C.A. Spangler, L.R. Position for determining gas phase volatile organic compound concentrations in transuranic waste containers, article, December 1, 1995; Idaho Falls, Idaho. (digital.library.unt.edu/ark:/67531/metadc619019/: accessed October 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.