L AREA WASTEWATER STORAGE DRUM EVALUATION

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This report documents the determination of the cause of pressurization that led to bulging deformation of a 55 gallon wastewater drum stored in L-Area. Drum samples were sent to SRNL for evaluation. The interior surface of these samples revealed blistering and holes in the epoxy phenolic drum liner and corrosion of the carbon steel drum. It is suspected that osmotic pressure drove permeation of the water through the epoxy phenolic coating which was weakened from exposure to low pH water. The coating failed at locations throughout the drum interior. Subsequent corrosion of the carbon steel released hydrogen which pressurized the ... continued below

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Vormelker, P; Cynthia Foreman, C; Zane Nelson, Z; David Hathcock, D & Dennis Vinson, D November 30, 2007.

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Description

This report documents the determination of the cause of pressurization that led to bulging deformation of a 55 gallon wastewater drum stored in L-Area. Drum samples were sent to SRNL for evaluation. The interior surface of these samples revealed blistering and holes in the epoxy phenolic drum liner and corrosion of the carbon steel drum. It is suspected that osmotic pressure drove permeation of the water through the epoxy phenolic coating which was weakened from exposure to low pH water. The coating failed at locations throughout the drum interior. Subsequent corrosion of the carbon steel released hydrogen which pressurized the drum causing deformation of the drum lid. Additional samples from other wastewater drums on the same pallet were also evaluated and limited corrosion was visible on the interior surfaces. It is suspected that, with time, the corrosion would have advanced to cause pressurization of these sealed drums.

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  • Report No.: WSRC-STI-2008-00228
  • Grant Number: DE-AC09-96SR18500
  • DOI: 10.2172/934825 | External Link
  • Office of Scientific & Technical Information Report Number: 934825
  • Archival Resource Key: ark:/67531/metadc896068

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  • November 30, 2007

Added to The UNT Digital Library

  • Sept. 27, 2016, 1:39 a.m.

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  • Nov. 2, 2016, 5:14 p.m.

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Vormelker, P; Cynthia Foreman, C; Zane Nelson, Z; David Hathcock, D & Dennis Vinson, D. L AREA WASTEWATER STORAGE DRUM EVALUATION, report, November 30, 2007; [Aiken, South Carolina]. (digital.library.unt.edu/ark:/67531/metadc896068/: accessed September 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.