Assessment of stable carbon isotopes as a tool for assessing MTBE biodegradation at a field site

Luis E. Lesser, Gerard Spinnler, Paul C. Johnson, Ramon Aravena

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

Stable carbon isotope techniques have been suggested as diagnostic tools for assessing hydrocarbons biodegradation. The objective of this study was to determine if isotope fractionation can be used as a reliable indicator of MTBE biodegradation, whether natural or engineered. The MTBE plume at Naval Base Ventura County (Port Hueneme, California, USA) offers a unique setting to study the fate of MTBE using stable carbon isotopes. Dramatic decreases in MTBE concentrations as a result of biodegradation have been well documented at this site. MTBE stable isotope fractionations were tracked along with MTBE concentrations. Laboratory-scale microcosms show 6% enrichment on MTBE-δ 13C under aerobic conditions. However, limited fractionation was detected in field samples.

Original languageEnglish (US)
Title of host publicationIAHS-AISH Publication
Pages290-295
Number of pages6
Edition297
StatePublished - 2005

Fingerprint

MTBE
carbon isotope
biodegradation
stable isotope
fractionation
oxic conditions
microcosm
plume
isotope
hydrocarbon

Keywords

  • Biobarrier
  • Biodegradation
  • Fractionation
  • Microcosms
  • MTBE
  • Port Hueneme
  • Stable isotopes

ASJC Scopus subject areas

  • Water Science and Technology
  • Oceanography

Cite this

Lesser, L. E., Spinnler, G., Johnson, P. C., & Aravena, R. (2005). Assessment of stable carbon isotopes as a tool for assessing MTBE biodegradation at a field site. In IAHS-AISH Publication (297 ed., pp. 290-295)

Assessment of stable carbon isotopes as a tool for assessing MTBE biodegradation at a field site. / Lesser, Luis E.; Spinnler, Gerard; Johnson, Paul C.; Aravena, Ramon.

IAHS-AISH Publication. 297. ed. 2005. p. 290-295.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Lesser, LE, Spinnler, G, Johnson, PC & Aravena, R 2005, Assessment of stable carbon isotopes as a tool for assessing MTBE biodegradation at a field site. in IAHS-AISH Publication. 297 edn, pp. 290-295.
Lesser LE, Spinnler G, Johnson PC, Aravena R. Assessment of stable carbon isotopes as a tool for assessing MTBE biodegradation at a field site. In IAHS-AISH Publication. 297 ed. 2005. p. 290-295
Lesser, Luis E. ; Spinnler, Gerard ; Johnson, Paul C. ; Aravena, Ramon. / Assessment of stable carbon isotopes as a tool for assessing MTBE biodegradation at a field site. IAHS-AISH Publication. 297. ed. 2005. pp. 290-295
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AB - Stable carbon isotope techniques have been suggested as diagnostic tools for assessing hydrocarbons biodegradation. The objective of this study was to determine if isotope fractionation can be used as a reliable indicator of MTBE biodegradation, whether natural or engineered. The MTBE plume at Naval Base Ventura County (Port Hueneme, California, USA) offers a unique setting to study the fate of MTBE using stable carbon isotopes. Dramatic decreases in MTBE concentrations as a result of biodegradation have been well documented at this site. MTBE stable isotope fractionations were tracked along with MTBE concentrations. Laboratory-scale microcosms show 6% enrichment on MTBE-δ 13C under aerobic conditions. However, limited fractionation was detected in field samples.

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