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

SANDHI, Arifin¹, GREGER, Maria², JACKS, Gunnar³, 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, (2)Faculty of Applied Ecology and Agricultural Sciences, Hedmark University College, Blæstad, Elverum, NO-2418, Norway, (3)KTH-International Groundwater Arsenic Research Group, Dept of Sustainable Development, Environmental Science and Engineering, KTH Royal Institute of Technology, Teknikringen 76, Stockholm, SE-10044, Sweden, asandhi@kth.se, asandhi@kth.se

HALDER, Dipti¹, BISWAS, Ashis¹, BHOWMICK, Subhamoy², CHATTERJEE, Debashis³, NRIAGU, Jerome⁴, GUHA MAZUMDER, D.N.⁵, ŠLEJKOVEC, Zdenka⁶, JACKS, Gunnar⁷ and BHATTACHARYA, Prosun⁸, (1)Department of Geological Sciences, University of Saskatchewan, 114 Science Place, Saskatoon, SK S7N5E2, Canada, (2)Department of Chemistry, University of Girona, Campus Montilivi, Girona, 17071, Spain, (3)Department of Chemistry, University of Kalyani, Kalyani, 741235, India, (4)Department of Environmental Health Sciences, School of Public Health, University of Michigan, 109 Observatory Street, Ann Arbor, MI 48109-202, (5)DNGM Research Foundation, 37C Block B, New Alipore, Kolkata, 700 053, India, (6)Department of Environmental Sciences, Jožef Stefan Institute, Jamova 39, Ljubljana, SI-1000, Slovenia, (7)KTH-International Groundwater Arsenic Research Group, Dept of Sustainable Development, Environmental Science and Engineering, KTH Royal Institute of Technology, Teknikringen 76, Stockholm, SE-10044, Sweden, (8)KTH-International Groundwater Arsenic Research Group, Department of Land and Water Resources Engineering, Royal Institute of Technology (KTH), Teknikringen 76, Stockholm, SE-10044, Sweden, dipti@kth.se, dipti@kth.se

AULLÓN ALCAINE, Anna¹, BHATTACHARYA, Prosun¹, SANDHI, Arifin¹, JACKS, Gunnar², BUNDSCHUH, Jochen³, SCHULZ, Carlos⁴, THUNVIK, Roger¹ and MÖRTH, Carl-Magnus⁵, (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, (2)KTH-International Groundwater Arsenic Research Group, Dept of Sustainable Development, Environmental Science and Engineering, KTH Royal Institute of Technology, Teknikringen 76, Stockholm, SE-10044, Sweden, (3)Deputy Vice-Chancellor's Office (Research and Innovation), University of Southern Queensland, Toowoomba, Toowoomba, 4350, Australia, (4)Facultad de Ciéncias Exactas y Naturales, Universidad Nacional de La Pampa (UNLPam), Santa Rosa, La Pampa, Argentina, (5)Department of Geological Sciences, Stockholm University, Stockholm, SE-106 91, Sweden, prosun@kth.se, prosun@kth.se

MAHANTA, Chandan¹, SATHE, Sandip S.¹ and BHATTACHARYA, Prosun², (1)Department of Civil Engineering, Indian Institute of Technology, Guwahati, 781039, India, (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, mahantaiit@gmail.com, mahantaiit@gmail.com

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, (2)Civil and Environmental Engineering, University of Washington, 201 More Hall, Box 352700, Seattle, WA 98195, (3)Resource Development International-Cambodia, Phnom Penh, P.O. Box 494, Cambodia, matt_polizzotto@ncsu.edu, matt_polizzotto@ncsu.edu

BISWAS, Ashis¹, BHATTACHARYA, Prosun², NATH, Bibhash³, MUKHERJEE, Abhijit⁴, HALDER, Dipti², CHATTERJEE, Debashis⁵, MÖRTH, Carl-Magnus⁶ and JACKS, Gunnar⁷, (1)Department of Geological Sciences, University of Saskatchewan, 114 Science Place, Saskatoon, SK S7N5E2, Canada, (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)School of Geosciences, University of Sydney, Sydney, 2006, Australia, (4)Department of Geology and Geophysics, Indian Institute of Technology (IIT), Kharagpur, 721302, India, (5)Department of Chemistry, University of Kalyani, Kalyani, 741235, India, (6)Department of Geological Sciences, Stockholm University, Stockholm, SE-106 91, Sweden, (7)KTH-International Groundwater Arsenic Research Group, Dept of Sustainable Development, Environmental Science and Engineering, KTH Royal Institute of Technology, Teknikringen 76, Stockholm, SE-10044, Sweden, ashis@kth.se, ashis@kth.se

HAQUE, Md. Aminul, Geological Scieces, University of Manitoba, 2-246 Kitson Street, Winnipeg, MB R2H 0Z7, Canada, HASAN, M. Aziz, Department of Geology, University of Dhaka, Dhaka-1000, Bangladesh, AHMED, Kazi Matin, Department of Geology, University of Dhaka, Dhaka, Dhaka 1000, Bangladesh, HOSSAIN, Mohammed, KTH-International Groundwater Arsenic Research Group, Dept of Sustainable Development, Environmental Science and Engineering, KTH Royal Institute of Technology, Teknikringen 76, Stockholm, SE-10044, Sweden 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, haquema@myumanitoba.ca, haquema@myumanitoba.ca

HOSSAIN, Mohammed¹, BHATTACHARYA, Prosun¹, RAHMAN, Marina², AHMED, Kazi Matin³, HASAN, M. Aziz⁴, BRÖMSSEN, Mattias von¹, UDDIN, M. Rofi², ALAM, M. Jahid⁵, 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, (2)Sasmit, NGO Forum for Public Health, 4/6, Block-E, Lalmatia, Dhaka, 1207, Bangladesh, (3)Department of Geology, University of Dhaka, Dhaka, Dhaka 1000, Bangladesh, (4)Department of Geology, University of Dhaka, Dhaka-1000, Bangladesh, (5)Department of Geology, University of Dhaka, Bangladesh, Dhaka-1000, Bangladesh, mohhos@kth.se, mohhos@kth.se

ZAHID, Anwar, Bangladesh Water Development Board, Directorate of Ground Water Hydrology, 72, Green Road, Dhaka, 1205, Bangladesh, JAHAN, Khurshid, Bangladesh University of Engineering and Technology, Institute of Water and Flood Management, Lalbagh, Dhaka, 1000, Bangladesh, HASSAN, Qumrul, University of Dhaka, Department of Geology, Ramna, Dhaka, 1000, Bangladesh and HASSAN, Mohammad Rashidul, Institute of Water Modeling, Irrigation Management Division, House# 496, Road# 32, New DOHS, Mohakhali, Dhaka, Bangladesh, anwarzahid_b@yahoo.com, anwarzahid_b@yahoo.com

DHAR, Ratan, Earth and Physical Sciences, York College of the City University of New York, 94-20, Guy R. Brewer Blvd, Jamaica, NY 11451, rdhar@york.cuny.edu, rdhar@york.cuny.edu