Compound-specific isotope analysis: Questioning the origins of a trichloroethene plume
Environmental Forensics
By: S. M. Eberts, C. Braun, and S. Jones
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Abstract
Stable carbon isotope ratios of trichloroethene (TCE), cis-1,2- dichloroethene, and trans-1,2-dichloroethene were determined by use of gas chromatography-combustion-isotope ratio mass spectroscopy to determine whether compound-specific stable carbon isotopes could be used to help understand the origin and history of a TCE groundwater plume in Fort Worth, TX. Calculated ??13C values for total chlorinated ethenes in groundwater samples, which can approximate the ??13C of a spilled solvent if all degradation products are accounted for, were useful for determining whether separate lobes of the plume resulted from different sources. Most notably, values for one lobe, where tetrachloroethene (PCE) has been detected periodically, were outside the range for manufactured TCE but within the range for manufactured PCE, whereas values for a separate lobe, which is downgradient of reported TCE spills, were within the range for manufactured TCE. Copyright ?? Taylor & Francis Group, LLC.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Compound-specific isotope analysis: Questioning the origins of a trichloroethene plume |
| Series title | Environmental Forensics |
| DOI | 10.1080/15275920801888368 |
| Volume | 9 |
| Issue | 1 |
| Year Published | 2008 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Environmental Forensics |
| First page | 85 |
| Last page | 95 |
| Google Analytic Metrics | Metrics page |