Skip Navigation
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.


The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Your Environment. Your Health.

Person Details: Benjamin C. Bostick

Superfund Research Program

Benjamin C. Bostick

Columbia University
Lamont-Doherty Earth Observatory
61 Route 9W
COMER Building
Palisade, New York 10964-8000
Phone: 845-365-8659
Fax: 845-365-8155


Research Briefs


Hazardous Waste Sites

Jamaica Water Supply Company

  • Columbia University: Arsenic, Iron, Sulfur and Organic Carbon Speciation and Their Impact on Groundwater Arsenic

North Carolina State University (Lot 86 Farm Unit #1)

  • Columbia University: Enhanced Remediation at U.S. Arsenic-Contaminated Sites




  • Huang H, Wang J, Yao R, Bostick BC, Prommer H, Liu X, Sun J. 2020. Effects of divalent heavy metal cations on the synthesis and characteristics of magnetite. Chemical Geology 547(9):doi:10.1016/j.chemgeo.2020.119669
  • Kumar A, Singh CK, Bostick BC, Nghiem AA, Mailloux BJ, van Geen AF. 2020. Regulation of groundwater arsenic concentrations in the Ravi, Beas, and Sutlej floodplains of Punjab, India. Geochim Cosmochim Acta 283:265. doi:10.1016/j.gca.2020.03.003
  • Mihajlov I, Mozumder R, Bostick BC, Stute M, Mailloux BJ, Knappett PS, Choudhury I, Ahmed KM, Schlosser P, van Geen AF. 2020. Arsenic contamination of Bangladesh aquifers exacerbated by clay layers. Nat Commun 11:2244. doi:10.1038/s41467-020-16104-z PMID:32382006
  • Mozumder R, Bostick BC, Selim M, Islam M, Shoenfelt EM, Ellis T, Mailloux BJ, Choudhury I, Ahmed KM, van Geen AF. 2020. Similar retardation of arsenic in gray Holocene and orange Pleistocene sediments: Evidence from field-based column experiments in Bangladesh. Water Res 183:12. doi:10.1016/j.watres.2020.116081 PMID:32784107
  • Mozumder R, Michael HA, Mihajlov I, Khan MR, Knappett PS, Bostick BC, Mailloux BJ, Ahmed KM, Choudhury I, Koffman T, Ellis T, Whaley-Martin K, San Pedro R, Slater GF, Stute M, Schlosser P, van Geen AF. 2020. Origin of groundwater arsenic in a rural Pleistocene aquifer in Bangladesh depressurized by distal municipal pumping. Water Resour Res 56:26. doi:10.1029/2020WR027178
  • Nghiem AA, Shen Y, Stahl MO, Sun J, Haque E, DeYoung B, Nguyen K, Mai TT, Trang PK, Pham HV, Mailloux BJ, Harvey CF, van Geen AF, Bostick BC. 2020. Aquifer-scale observations of iron redox transformations in arsenic-impacted environments to predict future contamination. Environ Sci Technol Lett 7:916-922. doi:10.1021/acs.estlett.0c00672
  • Peli M, Bostick BC, Barontini S, Lucchini R, Ranzi R. 2020. Profiles and species of Mn, Fe and trace metals in soils near a ferromanganese plant in Bagnolo Mella (Brescia, IT). Sci Total Environ doi:10.1016/j.scitotenv.2020.143123


  • Bostick BC. 2019. Massive ore deposits from microscopic organisms. Geology 47(2):191-192. doi:10.1130/focus022019.1 PMID:30760941 PMCID:PMC6370475
  • Nghiem AA, Stahl MO, Mailloux BJ, Mai TT, Trang PK, Viet PH, Harvey CF, van Geen AF, Bostick BC. 2019. Quantifying riverine recharge impacts on redox contitions and arsenic released in groundwater aquifers along the Red River, Vietnam. Water Resour Res doi:10.1029/2019WR024816


  • Haque E, Mailloux BJ, de Wolff D, Gilioli S, Kelly C, Ahmed EB, Small C, Ahmed KM, van Geen AF, Bostick BC. 2018. Quantitative drinking water arsenic concentrations in field environments using mobile phone photometry of field kits. Sci Total Environ 618:579-585. doi:10.1016/j.scitotenv.2016.12.123 PMID:29102200 PMCID:PMC5773362
  • Jamieson J, Prommer H, Kaksonen AH, Sun J, Siade AJ, Yusov A, Bostick BC. 2018. Identifying and quantifying the intermediate processes during nitrate-dependent iron(II) oxidation. Environ Sci Technol 52:5771-5781. doi:10.1021/acs.est.8b01122 PMID:29676145
  • Myers K, Tice MM, Bostick BC. 2018. Geochemical signatures reveal that arsenic(III)-photosynthesis fueled microorganisms in 3.26-billion-year-old shallow oceans. Nat Commun (in press)
  • Shoenfelt EM, Winckler G, Lamy F, Anderson RF, Bostick BC. 2018. Highly bioavailable dust-borne iron delivered to the Southern Ocean during glacial periods. Proc Natl Acad Sci U S A 115:11180-11185. doi:10.1073/pnas.1809755115 PMID:30322933 PMCID:PMC6217405
  • Sun J, Bostick BC, Mailloux BJ, Jamieson J, Yan B, Pitiranggon M, Chillrud SN. 2018. Arsenic mobilization from iron oxides in the presence of oxalic acid under hydrodynamic conditions. Chemosphere 212:219-227. doi:10.1016/j.chemosphere.2018.08.058 PMID:30144683
  • Sun J, Mailloux BJ, Chillrud SN, van Geen AF, Thompson A, Bostick BC. 2018. Simultaneously quantifying ferrihydrite and goethite in natural sediments using the method of standard additions with X-ray absorption spectroscopy. Chemical Geology 476:248-259. doi:10.1016/j.chemgeo.2017.11.021 PMID:29353912 PMCID:PMC5771421
  • Sun J, Prommer H, Siade AJ, Chillrud SN, Mailloux BJ, Bostick BC. 2018. Model-based analysis of arsenic immobilization via iron mineral transformation under advective flows. Environ Sci Technol 52(16):9243-9253. doi:10.1021/acs.est.8b01762 PMID:30039966


  • Aziz Z, Bostick BC, Zheng Y, Huq R, Rahman M, Ahmed KM, van Geen AF. 2017. Evidence of decoupling between arsenic and phosphate in shallow groundwater of Bangladesh and potential implications. Appl Geochem 77:167-177. doi:10.1016/j.apgeochem.2016.03.001 PMID:28239232 PMCID:PMC5321624
  • Gnanaprakasam ET, Lloyd JR, Boothman C, Ahmed KM, Choudhury I, Bostick BC, van Geen AF, Mailloux BJ. 2017. Microbial community structure and arsenic biogeochemistry in two arsenic-impacted aquifers in Bangladesh. MBio 8(6):e01326-17. doi:10.1128/mBio.01326-17 PMID:29184025 PMCID:PMC5705915
  • Huhmann BL, Harvey CF, Uddin A, Choudhury I, Ahmed KM, Duxbury JM, Bostick BC, van Geen AF. 2017. Field study of rice yield diminished by soil arsenic in Bangladesh. Environ Sci Technol 51:11553–11560. doi:10.1021/acs.est.7b01487 PMID:28929748 PMCID:PMC5645253
  • Whaley-Martin K, Mailloux BJ, van Geen AF, Bostick BC, Ahmed KM, Choudhury I, Slater GF. 2017. Human and livestock waste as a reduced carbon source contributing to the release of arsenic to shallow Bangladesh groundwater. Sci Total Environ 595:63-71. doi:10.1016/j.scitotenv.2017.03.234 PMID:28388451


  • Khan MR, Knappett PS, Ahmed KM, Bostick BC, Mailloux BJ, Mozumder R, Harvey CF, van Geen AF, Michael HA. 2016. Megacity pumping and preferential flow threaten groundwater quality. Nat Commun 7:12833. doi:10.1038/ncomms12833 PMID:27673729 PMCID:PMC5052627
  • Knappett PS, Mailloux BJ, Choudhury I, Khan MR, Michael HA, Barua S, Mondal DR, Steckler MS, Akhter S, Ahmed KM, Bostick BC, Harvey CF, Shamsudduha M, Shuai P, Mihajlov I, Mozumder R, van Geen AF. 2016. Vulnerability of low-arsenic aquifers to municipal pumping in Bangladesh. J Hydrol 539:674-686. doi:10.1016/j.jhydrol.2016.05.035 PMID:28966395 PMCID:PMC5617134
  • Sun J, Bostick BC, Mailloux BJ, Ross JM, Chillrud SN. 2016. Effect of oxalic acid treatment on sediment arsenic concentrations and lability under reducing conditions. J Hazard Mater 311:125-133. doi:10.1016/j.jhazmat.2016.02.060 PMID:26970042 PMCID:PMC4826786
  • Sun J, Bostick BC, Mailloux BJ, Ross JM, Chillrud SN. 2016. Use of oxalic acid for mobilizing arsenic from contaminated sediments and decreasing vulnerability to reduction. J Hazard Mater 311:125-133.
  • Sun J, Chillrud SN, Mailloux BJ, Bostick BC. 2016. In situ magnetite formation and long-term arsenic immobilization under advective flow conditions. Environ Sci Technol 50(18):10162-10171. doi:10.1021/acs.est.6b02362 PMID:27533278
  • Sun J, Chillrud SN, Mailloux BJ, Stute M, Singh R, Dong H, Lepre CJ, Bostick BC. 2016. Enhanced and stabilized arsenic retention in microcosms through the microbial oxidation of ferrous iron by nitrate. Chemosphere 144:1106-1115. doi:10.1016/j.chemosphere.2015.09.045 PMID:26454120 PMCID:PMC4779597
  • Sun J, Quicksall AN, Chillrud SN, Mailloux BJ, Bostick BC. 2016. Arsenic mobilization from sediments in microcosms under sulfate reduction. Chemosphere 153:254-261. doi:10.1016/j.chemosphere.2016.02.117 PMID:27037658 PMCID:PMC4837041
  • van Geen AF, Ahmed KM, Ahmed EB, Choudhury I, Mozumder R, Bostick BC, Mailloux BJ. 2016. Inequitable allocation of deep community wells for reducing arsenic exposure in Bangladesh. J Water Sanit Hyg Dev 6(1):142-150. doi:10.2166/washdev.2015.115 PMID:27087915 PMCID:PMC4827352
  • Whaley-Martin K, Mailloux BJ, van Geen AF, Bostick BC, Silvern R, Kim C, Ahmed KM, Choudhury I, Slater GF. 2016. Stimulation of microbially mediated arsenic release in Bangladesh aquifers by young carbon indicated by radiocarbon analysis of sedimentary bacterial lipids. Environ Sci Technol 50(14):7353-7363. doi:10.1021/acs.est.6b00868 PMID:27333443


  • Wovkulich K, Stute M, Mailloux BJ, Keimowitz AR, Ross JM, Bostick BC, Sun J, Chillrud SN. 2014. In situ oxalic acid injection to accelerate arsenic remediation at a superfund site in new jersey. Environ Chem 11(5):525-537. doi:10.1071/EN13222 PMID:25598701 PMCID:PMC4294815


  • Bostick BC. 2013. Human-Induced Change in Natural Arsenic Contamination in Asian Groundwaters. In: Zhejiang University-Columbia University Joint Conference on Sustainability. Hangzhou, China.
  • Mailloux BJ, Trembath-Reichert E, Cheung J, Watson M, Stute M, Freyer GA, Ferguson AS, Ahmed KM, Alam M, Buchholz BA, Thomas J, Layton AC, Zheng Y, Bostick BC, van Geen AF. 2013. Advection of surface-derived organic carbon fuels microbial reduction in Bangladesh groundwater. Proc Natl Acad Sci U S A 110(14):5331-5335. doi:10.1073/pnas.1213141110 PMID:23487743 PMCID:PMC3619377
  • van Geen AF, Bostick BC, Trang PK, Lan V, Mai N, Manh PD, Viet PH, Radloff KA, Aziz Z, Mey JL, Stahl MO, Harvey CF, Oates P, Weinman B, Stengel C, Frei F, Kipfer R, Berg M. 2013. Retardation of arsenic transport through a Pleistocene aquifer. Nature 501:204-207. doi:10.1038/nature12444 PMID:24025840 PMCID:PMC3772538



  • Cadwalader GO, Renshaw CE, Jackson BP, Magilligan FJ, Landis JD, Bostick BC. 2011. Erosion and physical transport via overland flow of arsenic and lead bound to silt-sized particles. Geomorphology 128(1-2):85-91. doi:10.1016/j.geomorph.2010.12.025 PMID:21552357 PMCID:PMC3086532 (Completed with ARRA Funds)
  • Radloff KA, Zheng Y, Michael H, Stute M, Bostick BC, Mihajlov I, Huq MR, Choudhury A, Rahman MW, Schlosser P, Ahmed KM, van Geen AF. 2011. Arsenic migration to deep groundwater in Bangladesh influenced by adsorption and water demand. Nat Geosci 4:793-798. doi:10.1038/ngeo1283 PMID:22308168 PMCID:PMC3269239


  • deLemos JL, Bostick BC, Renshaw CE, Sturup S, Feng X. 2006. Landfill-stimulated iron reduction and arsenic release at the Coakley Superfund site (NH). Environ Sci Technol 40(1):67-73. PMID:16433334
  • Renshaw CE, Bostick BC, Feng X, Wong CK, Winston ES, Karimi R, Folt CL, Chen CY. 2006. Impact of land disturbance on the fate of arsenical pesticides. J Environ Qual 35(1):61-67. doi:10.2134/jeq2005.0096 PMID:16391277
to Top