{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T10:35:57Z","timestamp":1791282957841,"version":"4.1.0"},"reference-count":41,"publisher":"Oxford University Press (OUP)","issue":"6","license":[{"start":{"date-parts":[[2013,2,8]],"date-time":"2013-02-08T00:00:00Z","timestamp":1360281600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"},{"start":{"date-parts":[[2013,4,16]],"date-time":"2013-04-16T00:00:00Z","timestamp":1366070400000},"content-version":"vor","delay-in-days":67,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"US Department of Energy's Subsurface Biogeochemical Research Program","award":["DE-FG01-08ER64585 and DE-SC0006796"],"award-info":[{"award-number":["DE-FG01-08ER64585 and DE-SC0006796"]}]},{"name":"US Department of Energy, Office of Science, Office of Biological and Environmental Research","award":["DE-AC02-05CH11231"],"award-info":[{"award-number":["DE-AC02-05CH11231"]}]}],"content-domain":{"domain":["setac.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2013,6,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>\u2003<\/jats:title>\n                  <jats:p>Stimulating microbial growth through the use of acetate injection wells at the former uranium mill site in Rifle, Colorado, USA, has been shown to decrease dissolved uranium (VI) concentrations through bacterial reduction to immobile uranium (IV). Bioreduction also changed the redox chemistry of site groundwater, altering the mobility of several other redox-sensitive elements present in the subsurface, including iron, sulfur, and arsenic. Following acetate amendment at the site, elevated concentrations of arsenic in the groundwater were observed. Ion chromatography-inductively coupled plasma\u2013mass spectrometry was used to determine the aqueous arsenic speciation. Upgradient samples, unexposed to acetate, showed low levels of arsenic (\u22481\u2009\u03bcM), with greater than 90% as arsenate (As[V]) and a small amount of arsenite (As[III]). Downgradient acetate-stimulated water samples had much higher levels of arsenic (up to 8\u2009\u03bcM), and 4 additional thioarsenic species were present under sulfate-reducing conditions. These thioarsenic species demonstrate a strong correlation between arsenic release and sulfide concentrations in groundwater, and their formation may explain the elevated total arsenic concentrations. An alternative remediation approach, enhanced flushing of uranium, was accomplished by addition of bicarbonate and did not result in highly elevated arsenic concentrations. Environ Toxicol Chem 2013;32:1216\u20131223. \u00a9 2013 SETAC<\/jats:p>\n               <\/jats:sec>","DOI":"10.1002\/etc.2155","type":"journal-article","created":{"date-parts":[[2013,2,8]],"date-time":"2013-02-08T15:54:43Z","timestamp":1360338883000},"page":"1216-1223","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":30,"title":["Arsenic geochemistry in a biostimulated aquifer: An aqueous speciation study"],"prefix":"10.1093","volume":"32","author":[{"given":"Valerie K.","family":"Stucker","sequence":"first","affiliation":[{"name":"Department of Chemistry and GeochemistryColorado School of Mines, , Golden, Colorado , USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kenneth H.","family":"Williams","sequence":"additional","affiliation":[{"name":"Lawrence Berkeley National Laboratory, , Berkeley, California , USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mark J.","family":"Robbins","sequence":"additional","affiliation":[{"name":"Lawrence Berkeley National Laboratory, , Berkeley, California , USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"James F.","family":"Ranville","sequence":"additional","affiliation":[{"name":"Department of Chemistry and GeochemistryColorado School of Mines, , Golden, Colorado , USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2013,2,8]]},"reference":[{"key":"2025010314240542400_etc2155-bib-0001","volume-title":"Biodegradation and Bioremediation","author":"Alexander","year":"1999","edition":"2nd ed"},{"key":"2025010314240542400_etc2155-bib-0002","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1016\/S1389-1723(01)80190-0","article-title":"Current bioremediation practice and perspective","volume":"92","author":"Iwamoto","year":"2001","journal-title":"J Biosci Bioeng"},{"key":"2025010314240542400_etc2155-bib-0003","doi-asserted-by":"crossref","first-page":"35","DOI":"10.1038\/nrmicro731","article-title":"Cleaning up with genomics: Applying molecular biology to bioremediation","volume":"1","author":"Lovley","year":"2003","journal-title":"Nat Rev Microbiol"},{"key":"2025010314240542400_etc2155-bib-0004","doi-asserted-by":"crossref","first-page":"85","DOI":"10.1002\/rem.20301","article-title":"Field-scale uranium (VI) bioimmobilization monitored by lipid biomarkers and 13C-acetate incorporation","volume":"21","author":"Peacock","year":"2011","journal-title":"Remediation"},{"key":"2025010314240542400_etc2155-bib-0005","doi-asserted-by":"crossref","first-page":"4672","DOI":"10.1128\/AEM.02858-05","article-title":"Suspension array analysis of 16S rRNA from Fe- and SO42-reducing bacteria in uranium-contaminated sediments undergoing bioremediation","volume":"72","author":"Chandler","year":"2006","journal-title":"Appl Environ Microbiol"},{"key":"2025010314240542400_etc2155-bib-0006","doi-asserted-by":"crossref","first-page":"5884","DOI":"10.1128\/AEM.69.10.5884-5891.2003","article-title":"Stimulating the in situ activity of Geobacter species to remove uranium from the groundwater of a uranium-contaminated aquifer","volume":"69","author":"Anderson","year":"2003","journal-title":"Appl Environ Microbiol"},{"key":"2025010314240542400_etc2155-bib-0007","doi-asserted-by":"crossref","first-page":"6308","DOI":"10.1128\/AEM.71.10.6308-6318.2005","article-title":"Microbiological and geochemical heterogeneity in an in situ uranium bioremediation field site","volume":"71","author":"Vrionis","year":"2005","journal-title":"Appl Environ Microbiol"},{"key":"2025010314240542400_etc2155-bib-0008","doi-asserted-by":"crossref","first-page":"519","DOI":"10.1080\/01490451.2010.520074","article-title":"Acetate availability and its influence on sustainable bioremediation of uranium-contaminated groundwater","volume":"28","author":"Williams","year":"2011","journal-title":"Geomicrobiol J"},{"key":"2025010314240542400_etc2155-bib-0009","doi-asserted-by":"crossref","first-page":"8295","DOI":"10.1021\/es901281e","article-title":"Structural similarities between biogenic uraninites produced by phylogenetically and metabolically diverse bacteria","volume":"43","author":"Sharp","year":"2009","journal-title":"Environ Sci Technol"},{"key":"2025010314240542400_etc2155-bib-0010","doi-asserted-by":"crossref","first-page":"528","DOI":"10.1039\/b110292n","article-title":"The effect of thermodynamic data on computer model predictions of uranium speciation in natural water systems","volume":"4","author":"Unsworth","year":"2002","journal-title":"J Environ Monit"},{"key":"2025010314240542400_etc2155-bib-0011","doi-asserted-by":"crossref","first-page":"147","DOI":"10.1023\/A:1004982515941","article-title":"Uranium solubility of carbonate-rich uranium-contaminated soils","volume":"107","author":"Elless","year":"1998","journal-title":"Water Air Soil Pollut"},{"key":"2025010314240542400_etc2155-bib-0012","doi-asserted-by":"crossref","first-page":"2707","DOI":"10.1021\/es960843j","article-title":"Carbonate leaching of uranium from contaminated soils","volume":"31","author":"Mason","year":"1997","journal-title":"Environ Sci Technol"},{"key":"2025010314240542400_etc2155-bib-0013","author":"US Department of Energy","year":"1999"},{"key":"2025010314240542400_etc2155-bib-0014","doi-asserted-by":"crossref","first-page":"1229","DOI":"10.1016\/j.biochi.2009.06.016","article-title":"Arsenic in contaminated waters: Biogeochemical cycle, microbial metabolism and biotreatment processes","volume":"91","author":"Lievremont","year":"2009","journal-title":"Biochimie"},{"key":"2025010314240542400_etc2155-bib-0015","doi-asserted-by":"crossref","first-page":"338","DOI":"10.1038\/26387","article-title":"Arsenic poisoning of Bangladesh groundwater","volume":"395","author":"Nickson","year":"1998","journal-title":"Nature"},{"key":"2025010314240542400_etc2155-bib-0016","doi-asserted-by":"crossref","first-page":"12","DOI":"10.1186\/1467-4866-8-12","article-title":"Decoupling of arsenic and iron release from ferrihydrite suspension under reducing conditions: A biogeochemical model","volume":"8","author":"Burnol","year":"2007","journal-title":"Geochem Trans"},{"key":"2025010314240542400_etc2155-bib-0017","doi-asserted-by":"crossref","first-page":"107","DOI":"10.1016\/j.gexplo.2008.01.002","article-title":"Arsenic mobilization in shallow aquifers of Datong Basin: Hydrochemical and mineralogical evidences","volume":"98","author":"Xie","year":"2008","journal-title":"J Geochem Explor"},{"key":"2025010314240542400_etc2155-bib-0018","doi-asserted-by":"crossref","first-page":"64","DOI":"10.1016\/j.chemgeo.2008.04.006","article-title":"Mobility of arsenic and selected metals during re-flooding of iron- and organic-rich acid-sulfate soil","volume":"253","author":"Burton","year":"2008","journal-title":"Chem Geol"},{"key":"2025010314240542400_etc2155-bib-0019","doi-asserted-by":"crossref","first-page":"743","DOI":"10.1016\/j.envint.2009.01.005","article-title":"Aquatic arsenic: Toxicity, speciation, transformations, and remediation","volume":"35","author":"Sharma","year":"2009","journal-title":"Environ Int"},{"key":"2025010314240542400_etc2155-bib-0020","doi-asserted-by":"crossref","first-page":"81","DOI":"10.1021\/es0713936","article-title":"A new role for sulfur in arsenic cycling","volume":"42","author":"Fisher","year":"2008","journal-title":"Environ Sci Technol"},{"key":"2025010314240542400_etc2155-bib-0021","doi-asserted-by":"crossref","first-page":"3873","DOI":"10.1021\/ac070061g","article-title":"Determination of (oxy)thioarsenates in sulfidic waters","volume":"79","author":"Wallschlager","year":"2007","journal-title":"Anal Chem"},{"key":"2025010314240542400_etc2155-bib-0022","doi-asserted-by":"crossref","first-page":"5933","DOI":"10.1021\/es048034k","article-title":"Thioarsenates in sulfidic waters","volume":"39","author":"Stauder","year":"2005","journal-title":"Environ Sci Technol"},{"key":"2025010314240542400_etc2155-bib-0023","doi-asserted-by":"crossref","first-page":"1925","DOI":"10.1016\/j.gca.2004.10.011","article-title":"Arsenic speciation in Mono Lake, California: Response to seasonal stratification and anoxia","volume":"69","author":"Hollibaugh","year":"2005","journal-title":"Geochim Cosmochim Acta"},{"key":"2025010314240542400_etc2155-bib-0024","doi-asserted-by":"crossref","first-page":"5245","DOI":"10.1021\/es070273v","article-title":"Thioarsenates in geothermal waters of yellowstone national park: Determination, preservation, and geochemical importance","volume":"41","author":"Planer-Friedrich","year":"2007","journal-title":"Environ Sci Technol"},{"key":"2025010314240542400_etc2155-bib-0025","doi-asserted-by":"crossref","first-page":"1524","DOI":"10.1016\/j.chemosphere.2011.01.045","article-title":"Stabilization of thioarsenates in iron-rich waters","volume":"83","author":"Suess","year":"2011","journal-title":"Chemosphere"},{"key":"2025010314240542400_etc2155-bib-0026","doi-asserted-by":"crossref","first-page":"10228","DOI":"10.1021\/ac1024717","article-title":"Arsenic speciation in sulfidic waters: Reconciling contradictory spectroscopic and chromatographic evidence","volume":"82","author":"Planer-Friedrich","year":"2010","journal-title":"Anal Chem"},{"key":"2025010314240542400_etc2155-bib-0027","doi-asserted-by":"crossref","first-page":"4457","DOI":"10.1016\/j.gca.2008.06.018","article-title":"Thermodynamic model for arsenic speciation in sulfidic waters: A novel use of ab initio computations","volume":"72","author":"Helz","year":"2008","journal-title":"Geochim Cosmochim Acta"},{"key":"2025010314240542400_etc2155-bib-0028","doi-asserted-by":"crossref","first-page":"647","DOI":"10.1016\/j.jhazmat.2011.02.029","article-title":"Reassessing the role of sulfur geochemistry on arsenic speciation in reducing environments","volume":"189","author":"Couture","year":"2011","journal-title":"J Hazard Mater"},{"key":"2025010314240542400_etc2155-bib-0029","doi-asserted-by":"crossref","first-page":"296","DOI":"10.1016\/j.hydromet.2010.11.001","article-title":"Electrochemical study of orpiment (As2S3) dissolution in a NaOH solution","volume":"105","author":"Darban","year":"2012","journal-title":"Hydrometallurgy"},{"key":"2025010314240542400_etc2155-bib-0030","doi-asserted-by":"crossref","first-page":"4591","DOI":"10.1016\/0016-7037(95)00330-4","article-title":"Oligomerization in As(III) sulfide solutions\u2014Theoretical constraints and spectroscopic evidence","volume":"59","author":"Helz","year":"1995","journal-title":"Geochim Cosmochim Acta"},{"key":"2025010314240542400_etc2155-bib-0031","doi-asserted-by":"crossref","first-page":"4714","DOI":"10.1021\/es000963y","article-title":"Kinetics of arsenate reduction by dissolved sulfide","volume":"34","author":"Rochette","year":"2000","journal-title":"Environ Sci Technol"},{"key":"2025010314240542400_etc2155-bib-0032","doi-asserted-by":"crossref","first-page":"1155","DOI":"10.1016\/j.watres.2003.11.014","article-title":"Arsenic-sulfides confound anion exchange resin speciation of aqueous arsenic","volume":"38","author":"Jay","year":"2004","journal-title":"Water Res"},{"key":"2025010314240542400_etc2155-bib-0033","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1186\/1467-4866-4-1","article-title":"Speciation of arsenic in sulfidic waters","volume":"4","author":"Wilkin","year":"2003","journal-title":"Geochem Trans"},{"key":"2025010314240542400_etc2155-bib-0034","doi-asserted-by":"crossref","first-page":"1643","DOI":"10.1021\/es071858s","article-title":"Examination of arsenic speciation in sulfidic solutions using X-ray absorption spectroscopy","volume":"42","author":"Beak","year":"2008","journal-title":"Environ Sci Technol"},{"key":"2025010314240542400_etc2155-bib-0035","doi-asserted-by":"crossref","first-page":"847","DOI":"10.1016\/j.chemosphere.2006.03.023","article-title":"Influence of sulfide (S2\u2212) on preservation and speciation of inorganic arsenic in drinking water","volume":"65","author":"Samanta","year":"2006","journal-title":"Chemosphere"},{"key":"2025010314240542400_etc2155-bib-0036","doi-asserted-by":"crossref","first-page":"2213","DOI":"10.1021\/es0157651","article-title":"Preserving the distribution of inorganic arsenic species in groundwater and acid mine drainage samples","volume":"36","author":"Bednar","year":"2002","journal-title":"Environ Sci Technol"},{"key":"2025010314240542400_etc2155-bib-0037","doi-asserted-by":"crossref","first-page":"341","DOI":"10.1016\/0021-9673(95)01319-9","article-title":"Separation of thio- and oxothioarsenates by capillary zone electrophoresis and ion chromatography","volume":"736","author":"Schwedt","year":"1996","journal-title":"J Chromatogr A"},{"key":"2025010314240542400_etc2155-bib-0038","doi-asserted-by":"crossref","first-page":"8318","DOI":"10.1021\/ac901094b","article-title":"Discrimination of thioarsenites and thioarsenates by X-ray absorption spectroscopy","volume":"81","author":"Suess","year":"2009","journal-title":"Anal Chem"},{"key":"2025010314240542400_etc2155-bib-0039","doi-asserted-by":"crossref","first-page":"4348","DOI":"10.1021\/es204277j","article-title":"Thioarsenate transformation by filamentous microbial mats thriving in an alkaline, sulfidic hot spring","volume":"46","author":"Haertig","year":"2012","journal-title":"Environ Sci Technol"},{"key":"2025010314240542400_etc2155-bib-0040","doi-asserted-by":"crossref","first-page":"228","DOI":"10.1021\/es0707815","article-title":"Determination of methylated arsenic-sulfur compounds in groundwater","volume":"42","author":"Wallschlager","year":"2008","journal-title":"Environ Sci Technol"},{"key":"2025010314240542400_etc2155-bib-0041","doi-asserted-by":"crossref","first-page":"216","DOI":"10.1016\/j.jconhyd.2007.02.005","article-title":"Uranium removal from groundwater via in situ biostimulation: Field-scale modeling of transport and biological processes","volume":"93","author":"Yabusaki","year":"2007","journal-title":"J Contam Hydrol"}],"container-title":["Environmental Toxicology and Chemistry"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1002%2Fetc.2155","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/academic.oup.com\/etc\/article-pdf\/32\/6\/1216\/60123915\/etc2155.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"syndication"},{"URL":"https:\/\/academic.oup.com\/etc\/article-pdf\/32\/6\/1216\/60123915\/etc2155.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,1,3]],"date-time":"2025-01-03T15:04:09Z","timestamp":1735916649000},"score":1,"resource":{"primary":{"URL":"https:\/\/academic.oup.com\/etc\/article\/32\/6\/1216\/7736472"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2013,2,8]]},"references-count":41,"journal-issue":{"issue":"6","published-online":{"date-parts":[[2013,2,8]]},"published-print":{"date-parts":[[2013,6,1]]}},"URL":"https:\/\/doi.org\/10.1002\/etc.2155","relation":{},"ISSN":["0730-7268","1552-8618"],"issn-type":[{"value":"0730-7268","type":"print"},{"value":"1552-8618","type":"electronic"}],"subject":[],"published-other":{"date-parts":[[2013,6,1]]},"published":{"date-parts":[[2013,2,8]]},"assertion":[{"value":"2012-06-01","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2012-12-15","order":1,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2013-04-16","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}