Methods for environmental monitoring of DOE waste disposal and storage sites. Semiannual progress report, April 1, 1988--September 30, 1988

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Perchloroethylene (PCE) is a persistent environmental contaminant whose chemical stability and hydrophobicity have made it difficult to remove from contaminated groundwater. PCE is also toxic and has been implicated as a carcinogen. This study was aimed at assessing methods for biological degradation of PCE. As a part of the study, the authors have characterized possible products of the degradation of PCE, and have determined the effects of detergents and solvents on the water solubility of PCE and on the toxic effects of PCE on bacteria. The authors have also isolated PCE-resistant microorganisms from monitoring wells at Y-12. To date all ... continued below

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58 p.

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Hadden, C.T.; Benson, S.B.; Osborne, T.R. & Revis, N.W. December 31, 1988.

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Description

Perchloroethylene (PCE) is a persistent environmental contaminant whose chemical stability and hydrophobicity have made it difficult to remove from contaminated groundwater. PCE is also toxic and has been implicated as a carcinogen. This study was aimed at assessing methods for biological degradation of PCE. As a part of the study, the authors have characterized possible products of the degradation of PCE, and have determined the effects of detergents and solvents on the water solubility of PCE and on the toxic effects of PCE on bacteria. The authors have also isolated PCE-resistant microorganisms from monitoring wells at Y-12. To date all of the PCE-resistant bacteria isolated from the monitoring wells have been of the genus Bacillus. One of these isolates appears to be able to degrade PCE, as indicated by the disappearance of PCE from cultures of growing cells. The organism does not grow on PCE as the sole carbon source, so degradation of the solvent must occur by cometabolism.

Physical Description

58 p.

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OSTI as DE98000007

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  • Other Information: PBD: [1988]

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  • Other: DE98000007
  • Report No.: DOE/OR/21492--T7
  • Grant Number: AC05-84OR21492
  • DOI: 10.2172/563984 | External Link
  • Office of Scientific & Technical Information Report Number: 563984
  • Archival Resource Key: ark:/67531/metadc690860

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  • December 31, 1988

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  • Aug. 14, 2015, 8:43 a.m.

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  • June 13, 2016, 8:13 p.m.

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Hadden, C.T.; Benson, S.B.; Osborne, T.R. & Revis, N.W. Methods for environmental monitoring of DOE waste disposal and storage sites. Semiannual progress report, April 1, 1988--September 30, 1988, report, December 31, 1988; United States. (digital.library.unt.edu/ark:/67531/metadc690860/: accessed September 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.