Concentrations and Stable Isotope Values of BTEX in Gasoline-Contaminated Groundwater
This work was undertaken to investigate the usefulness of stable carbon isotopic analysis as a monitoring tool for contaminant remediation. Concentrations and δ13C values of BTEX (benzene, toluene, ethylbenzene, and xylenes) were measured at a gasoline-contaminated site in southern California. The B...
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| Veröffentlicht in: | Environmental science & technology 1997-09, Vol.31 (9), p.2469-2472 |
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| creator | Kelley, Cheryl A Hammer, Beth Trust Coffin, Richard B |
| description | This work was undertaken to investigate the usefulness of stable carbon isotopic analysis as a monitoring tool for contaminant remediation. Concentrations and δ13C values of BTEX (benzene, toluene, ethylbenzene, and xylenes) were measured at a gasoline-contaminated site in southern California. The BTEX data were determined using a purge-and-trap connected to a gas chromatograph/ion trap mass spectrometer and to an isotope ratio mass spectrometer system. Concentrations ranged from below detection ( |
| doi_str_mv | 10.1021/es960635r |
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(Germany), Inst. fuer Technik in Gartenbau und Landwirtschaft ; University of Missouri-Columbia, Columbia, MO</creatorcontrib><description>This work was undertaken to investigate the usefulness of stable carbon isotopic analysis as a monitoring tool for contaminant remediation. Concentrations and δ13C values of BTEX (benzene, toluene, ethylbenzene, and xylenes) were measured at a gasoline-contaminated site in southern California. The BTEX data were determined using a purge-and-trap connected to a gas chromatograph/ion trap mass spectrometer and to an isotope ratio mass spectrometer system. Concentrations ranged from below detection (<0.5 ppb ≈ 0.05 μM C) to about 120 ppm (≈10 000 μM C) total BTEX, with toluene generally having the highest concentrations. For BTEX compounds at monitoring wells averaged across all sampling dates, δ13C values ranged from −23.8 to −26.6‰ (benzene), −22.9 to −25.2‰ (toluene), from −23.0 to −25.3‰ (p&m-xylenes), and from −22.4 to −25.0‰ (o-xylene). The data strongly suggest two sources of contamination: one with lighter (12C-enriched) δ13C values emanating from the area near monitoring wells 1 and 2, and the other containing higher MTBE concentrations, an additive of unleaded gasoline, with heavier (13C-enriched) δ13C values coming from the vicinity of monitoring wells 8 and 9. The isotope data suggest that the leaded and unleaded gasoline at this site are isotopically distinct.</description><identifier>ISSN: 0013-936X</identifier><identifier>EISSN: 1520-5851</identifier><identifier>DOI: 10.1021/es960635r</identifier><identifier>CODEN: ESTHAG</identifier><language>eng</language><publisher>Washington, DC: American Chemical Society</publisher><subject>aguas subterraneas ; Analysis ; Applied sciences ; benceno ; Benzene ; Carbon ; eau souterraine ; Environmental cleanup ; Exact sciences and technology ; Gas chromatography ; Gasoline ; groundwater ; Groundwaters ; Isotopes ; Mass spectrometry ; Natural water pollution ; Pollution ; pollution de l' eau ; polucion del agua ; Q1 ; Toluene ; tolueno ; Water pollution ; Water treatment and pollution ; xileno ; Xylene</subject><ispartof>Environmental science & technology, 1997-09, Vol.31 (9), p.2469-2472</ispartof><rights>Copyright © 1997 American Chemical Society</rights><rights>1997 INIST-CNRS</rights><rights>Copyright American Chemical Society Sep 1997</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a467t-90cb3688cb358ddda847725ff31154c531e042dc3ea6a3c1df886fae82c0fda83</citedby><cites>FETCH-LOGICAL-a467t-90cb3688cb358ddda847725ff31154c531e042dc3ea6a3c1df886fae82c0fda83</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://pubs.acs.org/doi/pdf/10.1021/es960635r$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/es960635r$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>314,780,784,2763,27075,27923,27924,56737,56787</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=2816429$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Kelley, Cheryl A</creatorcontrib><creatorcontrib>Hammer, Beth Trust</creatorcontrib><creatorcontrib>Coffin, Richard B</creatorcontrib><creatorcontrib>Hannover Univ. (Germany), Inst. fuer Technik in Gartenbau und Landwirtschaft</creatorcontrib><creatorcontrib>University of Missouri-Columbia, Columbia, MO</creatorcontrib><title>Concentrations and Stable Isotope Values of BTEX in Gasoline-Contaminated Groundwater</title><title>Environmental science & technology</title><addtitle>Environ. Sci. Technol</addtitle><description>This work was undertaken to investigate the usefulness of stable carbon isotopic analysis as a monitoring tool for contaminant remediation. Concentrations and δ13C values of BTEX (benzene, toluene, ethylbenzene, and xylenes) were measured at a gasoline-contaminated site in southern California. The BTEX data were determined using a purge-and-trap connected to a gas chromatograph/ion trap mass spectrometer and to an isotope ratio mass spectrometer system. Concentrations ranged from below detection (<0.5 ppb ≈ 0.05 μM C) to about 120 ppm (≈10 000 μM C) total BTEX, with toluene generally having the highest concentrations. For BTEX compounds at monitoring wells averaged across all sampling dates, δ13C values ranged from −23.8 to −26.6‰ (benzene), −22.9 to −25.2‰ (toluene), from −23.0 to −25.3‰ (p&m-xylenes), and from −22.4 to −25.0‰ (o-xylene). The data strongly suggest two sources of contamination: one with lighter (12C-enriched) δ13C values emanating from the area near monitoring wells 1 and 2, and the other containing higher MTBE concentrations, an additive of unleaded gasoline, with heavier (13C-enriched) δ13C values coming from the vicinity of monitoring wells 8 and 9. The isotope data suggest that the leaded and unleaded gasoline at this site are isotopically distinct.</description><subject>aguas subterraneas</subject><subject>Analysis</subject><subject>Applied sciences</subject><subject>benceno</subject><subject>Benzene</subject><subject>Carbon</subject><subject>eau souterraine</subject><subject>Environmental cleanup</subject><subject>Exact sciences and technology</subject><subject>Gas chromatography</subject><subject>Gasoline</subject><subject>groundwater</subject><subject>Groundwaters</subject><subject>Isotopes</subject><subject>Mass spectrometry</subject><subject>Natural water pollution</subject><subject>Pollution</subject><subject>pollution de l' eau</subject><subject>polucion del agua</subject><subject>Q1</subject><subject>Toluene</subject><subject>tolueno</subject><subject>Water pollution</subject><subject>Water treatment and pollution</subject><subject>xileno</subject><subject>Xylene</subject><issn>0013-936X</issn><issn>1520-5851</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1997</creationdate><recordtype>article</recordtype><recordid>eNqN0VFrFDEQAOBFFDyrD_4BCaKCD6uZZJPNPrZHPQtFS--u3FuYZhPZupecSQ7bf2_KlhP0QV8ygXwzmUmq6iXQD0AZfLSpk1RyER9VMxCM1kIJeFzNKAVed1xunlbPUrqhlDJO1axaz4M31ueIeQg-EfQ9WWa8Hi05SyGHnSVXOO5tIsGRk9XphgyeLDCFcfC2LskZt4PHbHuyiGHv-59lH59XTxyOyb54iEfV-tPpav65Pv-6OJsfn9fYyDbXHTXXXCpVVqH6vkfVtC0TznEA0RjBwdKG9YZblMgN9E4p6dAqZqgrmh9V76a6uxh-lCaz3g7J2HFEb8M-aZCsFU0H_wGBdZLxf0MuWcOgLfD1H_Am7KMv0-rysnB_syzo_YRMDClF6_QuDluMdxqovv8vffivYt88FMRkcHQRvRnSIYEpkA3rCqsnNqRsbw_HGL9r2fJW6NXFUl_Nv1yebC4vdFP8q8k7DBq_xVJyvYSuaynItoQC3k4ATfo9w9_9_QImirg_</recordid><startdate>19970901</startdate><enddate>19970901</enddate><creator>Kelley, Cheryl A</creator><creator>Hammer, Beth Trust</creator><creator>Coffin, Richard B</creator><general>American Chemical Society</general><scope>FBQ</scope><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QO</scope><scope>7ST</scope><scope>7T7</scope><scope>7U7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope><scope>SOI</scope><scope>7QH</scope><scope>7TV</scope><scope>7UA</scope><scope>F1W</scope><scope>H97</scope><scope>L.G</scope></search><sort><creationdate>19970901</creationdate><title>Concentrations and Stable Isotope Values of BTEX in Gasoline-Contaminated Groundwater</title><author>Kelley, Cheryl A ; Hammer, Beth Trust ; Coffin, Richard B</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a467t-90cb3688cb358ddda847725ff31154c531e042dc3ea6a3c1df886fae82c0fda83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1997</creationdate><topic>aguas subterraneas</topic><topic>Analysis</topic><topic>Applied sciences</topic><topic>benceno</topic><topic>Benzene</topic><topic>Carbon</topic><topic>eau souterraine</topic><topic>Environmental cleanup</topic><topic>Exact sciences and technology</topic><topic>Gas chromatography</topic><topic>Gasoline</topic><topic>groundwater</topic><topic>Groundwaters</topic><topic>Isotopes</topic><topic>Mass spectrometry</topic><topic>Natural water pollution</topic><topic>Pollution</topic><topic>pollution de l' eau</topic><topic>polucion del agua</topic><topic>Q1</topic><topic>Toluene</topic><topic>tolueno</topic><topic>Water pollution</topic><topic>Water treatment and pollution</topic><topic>xileno</topic><topic>Xylene</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kelley, Cheryl A</creatorcontrib><creatorcontrib>Hammer, Beth Trust</creatorcontrib><creatorcontrib>Coffin, Richard B</creatorcontrib><creatorcontrib>Hannover Univ. (Germany), Inst. fuer Technik in Gartenbau und Landwirtschaft</creatorcontrib><creatorcontrib>University of Missouri-Columbia, Columbia, MO</creatorcontrib><collection>AGRIS</collection><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Biotechnology Research Abstracts</collection><collection>Environment Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Toxicology Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environment Abstracts</collection><collection>Aqualine</collection><collection>Pollution Abstracts</collection><collection>Water Resources Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Environmental science & technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kelley, Cheryl A</au><au>Hammer, Beth Trust</au><au>Coffin, Richard B</au><aucorp>Hannover Univ. (Germany), Inst. fuer Technik in Gartenbau und Landwirtschaft</aucorp><aucorp>University of Missouri-Columbia, Columbia, MO</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Concentrations and Stable Isotope Values of BTEX in Gasoline-Contaminated Groundwater</atitle><jtitle>Environmental science & technology</jtitle><addtitle>Environ. Sci. Technol</addtitle><date>1997-09-01</date><risdate>1997</risdate><volume>31</volume><issue>9</issue><spage>2469</spage><epage>2472</epage><pages>2469-2472</pages><issn>0013-936X</issn><eissn>1520-5851</eissn><coden>ESTHAG</coden><abstract>This work was undertaken to investigate the usefulness of stable carbon isotopic analysis as a monitoring tool for contaminant remediation. Concentrations and δ13C values of BTEX (benzene, toluene, ethylbenzene, and xylenes) were measured at a gasoline-contaminated site in southern California. The BTEX data were determined using a purge-and-trap connected to a gas chromatograph/ion trap mass spectrometer and to an isotope ratio mass spectrometer system. Concentrations ranged from below detection (<0.5 ppb ≈ 0.05 μM C) to about 120 ppm (≈10 000 μM C) total BTEX, with toluene generally having the highest concentrations. For BTEX compounds at monitoring wells averaged across all sampling dates, δ13C values ranged from −23.8 to −26.6‰ (benzene), −22.9 to −25.2‰ (toluene), from −23.0 to −25.3‰ (p&m-xylenes), and from −22.4 to −25.0‰ (o-xylene). The data strongly suggest two sources of contamination: one with lighter (12C-enriched) δ13C values emanating from the area near monitoring wells 1 and 2, and the other containing higher MTBE concentrations, an additive of unleaded gasoline, with heavier (13C-enriched) δ13C values coming from the vicinity of monitoring wells 8 and 9. The isotope data suggest that the leaded and unleaded gasoline at this site are isotopically distinct.</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><doi>10.1021/es960635r</doi><tpages>4</tpages></addata></record> |
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| subjects | aguas subterraneas Analysis Applied sciences benceno Benzene Carbon eau souterraine Environmental cleanup Exact sciences and technology Gas chromatography Gasoline groundwater Groundwaters Isotopes Mass spectrometry Natural water pollution Pollution pollution de l' eau polucion del agua Q1 Toluene tolueno Water pollution Water treatment and pollution xileno Xylene |
| title | Concentrations and Stable Isotope Values of BTEX in Gasoline-Contaminated Groundwater |
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