Long-Term Performance of Enhanced Anaerobic Bioremediation and the Occurrence of Sustained Treatment at Chlorinated Solvent Sites

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dc.contributor.advisorBedient, Philip B.en_US
dc.contributor.committeeMemberTomson, Mason B.en_US
dc.contributor.committeeMemberRaun, Loren H.en_US
dc.creatorBurcham, Mikeen_US
dc.date.accessioned2013-09-16T14:52:44Zen_US
dc.date.accessioned2013-09-16T14:52:48Zen_US
dc.date.available2013-09-16T14:52:44Zen_US
dc.date.available2013-09-16T14:52:48Zen_US
dc.date.created2013-05en_US
dc.date.issued2013-09-16en_US
dc.date.submittedMay 2013en_US
dc.date.updated2013-09-16T14:52:48Zen_US
dc.description.abstractThe objective of this research was to evaluate the long-term performance of enhanced anaerobic bioremediation (EAB) at chlorinated solvent sites and the occurrence of sustained treatment following EAB. A database of groundwater concentration versus time records was compiled for 25 sites with at least three years of post-treatment data. The median post-treatment monitoring period for these sites was 5.2 years, with a maximum of 11.7 years. Long-term performance was evaluated based on concentration changes from before treatment to the final year of post-treatment monitoring. Results indicate that the median concentration reduction for all 25 sites was approximately 80%, just under 1 order of magnitude. Sustained treatment, where concentrations remain suppressed after ceasing active treatment, was evaluated using a lines-of-evidence approach including analysis of rebound, statistical concentration trends after treatment, and decay rates from before and after treatment. Results indicate that sustained treatment is occurring at a majority of the sites.en_US
dc.format.mimetypeapplication/pdfen_US
dc.identifier.citationBurcham, Mike. "Long-Term Performance of Enhanced Anaerobic Bioremediation and the Occurrence of Sustained Treatment at Chlorinated Solvent Sites." (2013) Master’s Thesis, Rice University. <a href="https://hdl.handle.net/1911/71930">https://hdl.handle.net/1911/71930</a>.en_US
dc.identifier.slug123456789/ETD-2013-05-548en_US
dc.identifier.urihttps://hdl.handle.net/1911/71930en_US
dc.language.isoengen_US
dc.rightsCopyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.en_US
dc.subjectBioremediationen_US
dc.subjectChlorinated solventen_US
dc.subjectSustained treatmenten_US
dc.titleLong-Term Performance of Enhanced Anaerobic Bioremediation and the Occurrence of Sustained Treatment at Chlorinated Solvent Sitesen_US
dc.typeThesisen_US
dc.type.materialTexten_US
thesis.degree.departmentCivil and Environmental Engineeringen_US
thesis.degree.disciplineEngineeringen_US
thesis.degree.grantorRice Universityen_US
thesis.degree.levelMastersen_US
thesis.degree.nameMaster of Scienceen_US
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