THOMPSON, Philip R., Joint Institute for Marine and Atmospheric Research, University of Hawaii, 1000 Pope Rd, MSB 317, Honolulu, HI 96822, philiprt@hawaii.edu and MERRIFIELD, Mark A., Department of Oceanography, University of Hawaii, 1000 Pope Rd, MSB 317, Honolulu, HI 96822

HUQ, Mohammad Rezaul¹, UDDIN, Ashraf¹, LEE, Ming-Kuo¹, VAN GEEN, Alexander², and AHMED, Kazi Matin³, (1) Department of Geology and Geography, Auburn University, 210 Petrie Hall, Auburn, AL 36849, mrh0028@auburn.edu, (2) Lamont-Doherty Earth Observatory of Columbia University, Palisades, NY 10964, (3) Department of Geology, University of Dhaka, Bangladesh, Dhaka-1000, Bangladesh

REZAIE BOROON, Mohammad Hassan¹, TORRES, Vanessa¹, DIAZ, Sonya¹, LAZZARETTO, Teresa¹, TSANG, Mathew¹, and DEHEYN, Dimitri², (1) Geosceinces and Environment, California State University, Los Angeles, 5151 State University Drive, Los Angeles, CA 90032, mrezaie@calstatela.edu, (2) University of California, San Diego, Scripps Institution of Oceanography, 9500 Gilman Drive, La Jolla, CA 92093

ALAM, Md. Samrat and CHENG, Tao, Department of Earth Sciences, Memorial University of Newfoundland, St. John's, NF A1B 3X5, Canada, msa722@mun.ca

ONGLEY, Lois K., Earth and Environmental Science, Unity College, 90 Quaker Hill Rd, Unity, ME 04988, longley@unity.edu, CHAMBREAU, Steven D., Chemists Without Borders, and GUENTHNER, Andrew, American Chemical Society - Mojave Desert Section

OYEWUMI, Oluyinka and SCHREIBER, Madeline E., Department of Geosciences, Virginia Tech, 4044 Derring Hall, Blacksburg, VA 24061-0420, ooyewum@vt.edu

RAYCHOWDHURY, Nilasree¹, MUKHERJEE, Abhijit¹, BHATTACHARYA, Prosun², and JOHANNESSON, Karen³, (1) Department of Geology and Geophysics, Indian Institute of Technology (IIT), Kharagpur, 721302, India, nrc.tithi@gmail.com, (2) KTH-International Groundwater Arsenic Research Group, Department of Land and Water Resources Engineering, KTH Royal Institute of Technology, Teknikringen 76, Stockholm, SE-10044, Sweden, (3) Department of Earth and Environmental Sciences, Tulane University, 101 Blessey Hall, New Orleans, LA 70118-5698

ABRAHAM, Joju¹, BRADLEY, Philip J.², and PITNER, Andrew¹, (1) North Carolina Division of Water Quality, 610 E Center Ave, Mooresville, NC 28115, Joju.Abraham@ncmail.net, (2) North Carolina Geological Survey, Raleigh, NC 27699-1620

JEAN, Jiin-Shuh¹, KAR, Sandeep¹, MAITY, Jyoti², LIU, Chia-Chuan³, and LEE, Jyh-Fu⁴, (1) Earth Sciences, National Cheng Kung University, #1 University Road, Tainan, 70101, Taiwan, jiinshuh@mail.ncku.edu.tw, (2) Earth and Environmental Sciences, National Chung Cheng University, 168 University Road, Ming-Shung, Chia-Yi County, 62102, Taiwan, (3) Earth Sciences, National Cheng Kung University, #1 University Road, Tainan, 70101, Taiwan, (4) Division of Material Science, National Synchrotron Radiation Center, 101 Hsin-Ann Road, Hsinchu, 30076, Taiwan

MAITY, Jyoti Prakash, Earth and Environmental Sciences, National Chung Cheng University, 168 University Road, Ming-Shung, Chia-Yi County, 62102, Taiwan, jyoti_maity@yahoo.com, KAR, Sandeep, Earth Sciences, National Cheng Kung University, #1 University Road, Tainan, 70101, Taiwan, CHEN, Chien-Yen, Department of Earth and Environmental Sciences, National Chung Cheng University, Ming-Shung,168 University Road, Chiayi County, 62102, Taiwan, MUKHERJEE, Abhijit, Department of Geology and Geophysics, Indian Institute of Technology (IIT), Kharagpur, 721302, India, CHAKRABORTY, Sukalyan, Environmental Science & Engineering, Brla Institute of Technology, Mesra, Ranchi, 835125, BUNDSCHUH, Jochen, National Centre for Engineering in Agriculture, University of Southern Queensland, Toowoomba, Toowoomba, 4350, and BHATTACHARYA, Prosun, KTH-International Groundwater Arsenic Research Group, Department of Land and Water Resources Engineering, Royal Institute of Technology (KTH), Teknikringen 76, Stockholm, SE-10044, Sweden

ANNADUZZAMAN, M.¹, BISWAS, Ashis¹, HOSSAIN, Mohammed¹, AHMED, Kazi Matin², HASAN, M. Aziz², JACKS, Gunnar¹, SANDHI, Arifin¹, and BHATTACHARYA, Prosun¹, (1) KTH-International Groundwater Arsenic Research Group, Department of Land and Water Resources Engineering, Royal Institute of Technology (KTH), Teknikringen 76, Stockholm, SE-10044, Sweden, mdann@kth.se, (2) Department of Geology, University of Dhaka, Bangladesh, Dhaka-1000, Bangladesh

RASHID, Nazhat Shirin¹, HOSSAIN, Mohammed², BHATTACHARYA, Prosun³, AHMED, Kazi Matin¹, and RAHMAN, M. Zillur¹, (1) Department of Geology, University of Dhaka, Dhaka, 1000, Bangladesh, sweetulie@hotmail.com, (2) KTH-International Groundwater Arsenic Research Group, Department of Land and Water Resources Engineering, Royal Institute of Technology (KTH), Teknkringen 76, Stockholm, SE-10044, Sweden, (3) KTH-International Groundwater Arsenic Research Group, Department of Land and Water Resources Engineering, Royal Institute of Technology (KTH), Teknikringen 76, Stockholm, SE-10044, Sweden

SANDHI, Arifin¹, GREGER, Maria², JACKS, Gunnar¹, HOSSAIN, Mohammed³, and BHATTACHARYA, Prosun¹, (1) KTH-International Groundwater Arsenic Research Group, Department of Land and Water Resources Engineering, Royal Institute of Technology (KTH), Teknikringen 76, Stockholm, SE-10044, Sweden, asandhi@kth.se, (2) Faculty of Applied Ecology and Agricultural Sciences, Hedmark University College, Blæstad, Elverum, NO-2418, Norway, (3) KTH-International Groundwater Arsenic Research Group, Department of Land and Water Resources Engineering, Royal Institute of Technology (KTH), Teknkringen 76, Stockholm, SE-10044, Sweden

BISWAS, Ashis¹, BHATTACHARYA, Prosun¹, NATH, Bibhash², MUKHERJEE, Abhijit³, HALDER, Dipti¹, CHATTERJEE, Debashis⁴, MÖRTH, Carl-Magnus⁵, and JACKS, Gunnar¹, (1) KTH-International Groundwater Arsenic Research Group, Department of Land and Water Resources Engineering, Royal Institute of Technology (KTH), Teknikringen 76, Stockholm, SE-10044, Sweden, ashis@kth.se, (2) School of Geosciences, University of Sydney, Sydney, 2006, Australia, (3) Department of Geology and Geophysics, Indian Institute of Technology (IIT), Kharagpur, 721302, India, (4) Department of Chemistry, University of Kalyani, Kalyani, 741235, India, (5) Department of Geological Sciences, Stockholm University, Stockholm, SE-106 91, Sweden

HALDER, Dipti¹, BISWAS, Ashis², BHOWMICK, Subhamoy³, CHATTERJEE, Debashis⁴, NRIAGU, Jerome⁵, GUHA MAZUMDER, D.N.⁶, ŠLEJKOVEC, Zdenka⁷, JACKS, Gunnar², and BHATTACHARYA, Prosun², (1) KTH-International Groundwater Arsenic Research Group, Department of Land and Water Resources Engineering, Royal Institute of Technology (KTH), Teknikringen 76, Stockholm, 10044, Sweden, dipti@kth.se, (2) KTH-International Groundwater Arsenic Research Group, Department of Land and Water Resources Engineering, Royal Institute of Technology (KTH), Teknikringen 76, Stockholm, SE-10044, Sweden, (3) Department of Chemistry, University of Girona, Campus Montilivi, Girona, 17071, Spain, (4) Department of Chemistry, University of Kalyani, Kalyani, 741235, India, (5) Department of Environmental Health Sciences, School of Public Health, University of Michigan, 109 Observatory Street, Ann Arbor, MI 48109-202, (6) DNGM Research Foundation, 37C Block B, New Alipore, Kolkata, 700 053, India, (7) Department of Environmental Sciences, Jožef Stefan Institute, Jamova 39, Ljubljana, SI-1000, Slovenia

HAQUE, Md. Aminul¹, HASAN, M. Aziz², AHMED, Kazi Matin², HOSSAIN, Mohammed³, and BHATTACHARYA, Prosun⁴, (1) Environmental Programs, University of Northern Iowa, Cedar Falls, IA 50614, haquem@uni.edu, (2) Department of Geology, University of Dhaka, Bangladesh, Dhaka-1000, Bangladesh, (3) KTH-International Groundwater Arsenic Research Group, Department of Land and Water Resources Engineering, Royal Institute of Technology (KTH), Teknkringen 76, Stockholm, SE-10044, Sweden, (4) KTH-International Groundwater Arsenic Research Group, Department of Land and Water Resources Engineering, Royal Institute of Technology (KTH), Teknikringen 76, Stockholm, SE-10044, Sweden

HOSSAIN, Mohammed¹, BHATTACHARYA, Prosun¹, RAHMAN, Marina², AHMED, Kazi Matin³, HASAN, M. Aziz³, BRÖMSSEN, Mattias von¹, UDDIN, M. Rofi², ALAM, M. Jahid³, SARWAR, S. Golam², and HASAN, Rashedul², (1) KTH-International Groundwater Arsenic Research Group, Department of Land and Water Resources Engineering, Royal Institute of Technology (KTH), Teknikringen 76, Stockholm, SE-10044, Sweden, mohammed_hossain2001@yahoo.com, (2) Sasmit, NGO Forum for Public Health, 4/6, Block-E, Lalmatia, Dhaka, 1207, Bangladesh, (3) Department of Geology, University of Dhaka, Bangladesh, Dhaka-1000, Bangladesh

ENRIQUEZ, Hersy Joy¹, MLADENOV, Natalie¹, WOLSKI, Piotr², HETTIARACHCHI, Ganga³, MCKNIGHT, Diane M.⁴, EBERT, Jessica⁴, HUNTSMAN-MAPILA, Philippa⁵, MURRAY-HUDSON, Michael⁶, and MASAMBA, Wellington⁷, (1) Civil Engineering, Kansas State University, 2118 Fiedler Hall, Manhattan, KS 66506, enriquez@k-state.edu, (2) The Climate Systems Analysis Group (CSAG), University of Cape Town, Cape Town, South Africa, (3) Department of Agronomy, Kansas State University, 2107 Throckmorton Plant Sciences Center, Manhattan, KS 66506, (4) Institute for Arctic and Alpine Research, Univ. of Colorado, 1560 30th Street, Boulder, CO 80309, (5) Natural Resources Canada, 555 Booth Street , 3rd Floor , Room. 339A, Ottawa, K1A 0G1, Canada, (6) Okavango Research Institute, University of Botswana, Maun, Botswana, (7) Henry Oppenheimer Okavango Research Center, University of Botswana, Private Bag 285, Maun, Botswana

FLANNERY, Kelly M.¹, WALL, Andrew J.², LAVIN, Sarah M.¹, CAPO, Rosemary C.¹, and STEWART, Brian W.¹, (1) Department of Geology & Planetary Science, University of Pittsburgh, Pittsburgh, PA 15260, kmf48@pitt.edu, (2) U.S. Department of Energy, National Energy Technology Laboratory, Pittsburgh, PA 15260

SAVOIE, Courtney, Department of Geology, Portland State University, PO Box 751, Portland, OR 97207, savoie@pdx.edu, PERKINS, Robert B., Department of Geology, Portland State University, P.O. Box 751, Portland, OR 97207, FOSTER, Andrea L., U.S. Geological Survey, 345 Middlefield Rd., MS 901, Menlo Park, CA 94025, and STRECK, Martin J., Department of Geology, Portland State University, Portland, 97207

POLIZZOTTO, Matthew¹, MATTESON, Audrey¹, NEUMANN, Rebecca², THORN, Sokha³, KUY, Dina³, THANG, Makara³, and SHANTZ, Andrew³, (1) Department of Soil Science, North Carolina State University, 101 Derieux St, 2232 Williams Hall, Box 7619, Raleigh, NC 27695, matt_polizzotto@ncsu.edu, (2) Civil and Environmental Engineering, University of Washington, Seattle, WA 98195, (3) Resource Development International-Cambodia, Phnom Penh, P.O. Box 494, Cambodia

HON, Rudolph, HILDUM, Brendan, and AHMED, Shakib, Earth & Environmental Sciences, Boston College, 140 Commonwealth Ave, Chestnut Hill, MA 02467, rudy.hon@bc.edu

MAHANTA, Chandan¹, SATHE, Sandip S.¹, and BHATTACHARYA, Prosun², (1) Department of Civil Engineering, Indian Institute of Technology, Guwahati, 781039, India, mahantaiit@gmail.com, (2) KTH-International Groundwater Arsenic Research Group, Department of Land and Water Resources Engineering, Royal Institute of Technology (KTH), Teknikringen 76, Stockholm, SE-10044, Sweden

AULLÓN ALCAINE, Anna¹, BHATTACHARYA, Prosun¹, SANDHI, Arifin¹, JACKS, Gunnar¹, BUNDSCHUH, Jochen², SCHULZ, Carlos³, THUNVIK, Roger¹, and MÖRTH, Carl-Magnus⁴, (1) KTH-International Groundwater Arsenic Research Group, Department of Land and Water Resources Engineering, Royal Institute of Technology (KTH), Teknikringen 76, Stockholm, SE-10044, Sweden, prosun@kth.se, (2) National Centre for Engineering in Agriculture, University of Southern Queensland, Toowoomba, Toowoomba, 4350, (3) Facultad de Ciéncias Exactas y Naturales, Universidad Nacional de La Pampa (UNLPam), Santa Rosa, La Pampa, Argentina, (4) Department of Geological Sciences, Stockholm University, Stockholm, SE-106 91, Sweden

BLAKE, Johanna M.T., Earth and Environmental Sciences, Lehigh University, 1 W. Packer Ave, Bethlehem, PA 18015, job408@lehigh.edu and PETERS, Stephen C., Earth and Environmental Sciences, Lehigh University, 1 W Packer Ave, Bethlehem, PA 18015

DHAR, Ratan, Geology and Environmental Health Science, Department of Earth and Physical Sciences, School of Arts and Sciences, York College Of CUNY, 94-20, Guy R. Brewer Blvd, Jamaica, NY 11451, rdhar@york.cuny.edu

RYAN, Peter C.¹, KIM, Jonathan², SILVERMAN, Annika¹, and RUSSELL, Diego¹, (1) Geology Department, Middlebury College, 276 Bicentennial Way, Middlebury, VT 05753, pryan@middlebury.edu, (2) Vermont Geological Survey, 103 South Main Street, Logue Cottage, Waterbury, VT 05671-2420

KIM, Jonathan, Vermont Geological Survey, 103 South Main Street, Logue Cottage, Waterbury, VT 05671-2420, jon.kim@state.vt.us and RYAN, Peter C., Geology Department, Middlebury College, 276 Bicentennial Way, Middlebury, VT 05753