BRIKOWSKI, Tom H., Geosciences, The University of Texas at Dallas, 800 W. Campbell Rd, Richardson, TX 75080-3021, brikowski@utdallas.edu, BHATTACHARYA, Prosun, KTH-International Groundwater Arsenic Research Group, Division of Land and Water resources Engineering, KTH Royal Institute of Technology, Teknikringen 76, Stockholm, SE-10044, Sweden, SHRESTHA, Suresh das, Tribhuvan University, Kathmandu, Nepal, and LEYBOURNE, Matthew, ALS Minerals Division | Geochemistry, ALS Laboratory Group, 2103 Dollarton Hwy, North Vancouver, North Vancouver, BC V7H 0A7, Canada

KREHEL, Austin W.¹, SASIDHARAN, Sankar², BEDNAR, Anthony³, HETTIARACHCHI, Ganga⁴, RAHMAN, Mohammad Mahmudur⁵, ATTANAYAKE, Chammi⁶, KIBRIA, Md Golam², FORD, Sophia⁷, JOHANNESSON, Karen⁸, and DATTA, Saugata⁷, (1) Geological and Environmental Sciences, Hope College, Holland, MI 49423, austin.krehel@hope.edu, (2) Department of Geology, Kansas State University, 104 Thompson Hall, Manhattan, KS 66506, (3) U.S. Army Corps of Engineers, Engineer Research and Development Center, Vicksburg, MS 39180, (4) Department of Agronomy, Kansas State University, 2107 Throckmorton Plant Sciences Center, Manhattan, KS 66506, (5) University of South Australia, Centre for Environmental Risk Assessment and Remediation, Mawson Lakes, 5095, Australia, (6) Department of Agronomy, Kansas State University, Manhattan, KS 66506, (7) Department of Geology, Kansas State University, 108 Thompson Hall, Manhattan, KS 66506, (8) Department of Earth and Environmental Sciences, Tulane University, 101 Blessey Hall, New Orleans, LA 70118-5698

JACKS, Gunnar, KTH-International Groundwater Arsenic Research Group, Division of Land and Water Resources Engineering, Royal Institute of Technology (KTH), Teknikringen 76, Stockholm SE-10044 Sweden, gunnjack@kth.se

KIBRIA, Md Golam, Department of Geology, Kansas State University, 207 Thompson Hall, Manhattan, KS 66502, kibria@k-state.edu, KIRK, M. F, Department of Geology, Kansas State University, 204 Thompson Hall, Manhattan, KS 66502, HOSSAIN, Mohammed, Dept. of Land and Water Resources Engineering, KTH Royal Institute of Technology, Teknikringen 76, Stockholm, SE-100 44, Sweden, BHATTACHARYA, Prosun, KTH-International Groundwater Arsenic Research Group, Division of Land and Water resources Engineering, KTH Royal Institute of Technology, Teknikringen 76, Stockholm, SE-10044, Sweden, RAHMAN, Moklesh, Department of Petroleum and Mining Engineering, Jessore University of Science and Technology, Jessore, Bangladesh, AHMED, Kazi Matin, Department of Geology, University of Dhaka, Dhaka, 1000, Bangladesh, BRÖMSSEN, Mattias von, KTH-International Groundwater Arsenic Research Group, Department of Land and Water Resources Engineering, Royal Institute of Technology (KTH), Teknikringen 76, Stockholm, SE-10044, Sweden, JACKS, K. Gunnar, Dept. of Land and Water Resources Engineering, KTH, Teknikringen 76, Stockholm, SE-10044, Sweden, and DATTA, Saugata, Department of Geology, Kansas State University, 108 Thompson Hall, Manhattan, KS 66506

WELLS, Arden A.¹, UDDIN, Ashraf², LEE, Ming-Kuo², and SAUNDERS, James A.², (1) Department of Geosciences, University of Texas at Dallas, 800 W. Cambell Road, Richardson, TX 75080, arden.wells@utdallas.edu, (2) Department of Geology and Geography, Auburn University, 210 Petrie Hall, Auburn, AL 36849

TAYLOR, Lucy C., ELRICK, K.A., HOROWITZ, A.J., and DEOCAMPO, Daniel M., Geosciences, Georgia State University, 24 Peachtree Center Avenue Northeast, Atlanta, GA 30303, ltaylor46@student.gsu.edu

PERKINS, Robert B., Department of Geology, Portland State University, P.O. Box 751, Portland, OR 97207, rperkins@pdx.edu and SAVOIE, Courtney, Department of Geology, Portland State University, 1721 SW Broadway, Portland, OR 97201

KULKARNI, Harshad Vijay, CIVIL Engineering, KANSAS STATE UNIVERSITY, 2139 FIEDLER HALL, Manhattan, KS 66506, harshad@k-state.edu and MLADENOV, Natalie, Civil Engineering, Kansas State University, 2108 Fiedler Hall, Manhattan, KS 66506

RYAN, Peter C., Geology Department, Middlebury College, 276 Bicentennial Way, Middlebury, VT 05753, pryan@middlebury.edu, KIM, Jonathan, Vermont Geological Survey, Montpelier, VT 05620-3902, and MANGO, Helen, Natural Sciences, Castleton State College, 233 South Street, Castleton, VT 05735

WEINMAN, Beth, California State University, Fresno, Earth and Environmental Sciences, 2576 East San Ramon Ave. M/S ST24, Fresno, CA 93740, bweinman@csufresno.edu, RESNER, Kit E., Earth and Environmental Sciences, California State University, Fresno, 2576 E. San Ramon Ave, Fresno, CA 93740, YOO, Kyungsoo, Soil, Water, and Climate, University of Minnesota, 1991 Upper Buford Circle, St. Paul, MN 55108, and SINGHVI, Ashok, Planetary and Geosciences Division, Physical Research Lab, Ahmedabad, 380 009, India

HOSSAIN, Mohammed¹, ISLAM, M. Mainul², RAHMAN, M. Moklesur³, JACKS, Gunnar¹, BHATTACHARYA, Prosun¹, ALAM, M. Samrat², HAQUE, M. Aminul², VON BRÖMSSEN, Mattias⁴, HASAN, M. Aziz³, and AHMED, Kazi Matin³, (1) KTH-International Groundwater Arsenic Research Group, Division of Land and Water Resources Engineering, KTH Royal Institute of Technology, Teknikringen 76, Stockholm, SE-10044, Sweden, mohos@kth.se, (2) Sasmit, NGO Forum for Public Health, 4/6, Block-E, Lalmatia, Dhaka, 1207, (3) Department of Geology, University of Dhaka, Dhaka, 1000, Bangladesh, (4) Soil- and Water Environment, Ramböll Sweden AB, Stockholm, SE-104 62, Sweden

KNAPPETT, Peter S.K., Geology and Geophysics, Texas A&M University, College Station, TX 77843, pknappet@utk.edu, CHOUDHURY, Imtiaz, Geology, University of Dhaka, Dhaka, 1000, Bangladesh, BARUA, Shovon, Geology, Kansas State University, 108 Thompson Hall, Manhattan, KS 66506, MONDAL, Dhiman R., School of Earth and Environmental Sciences, Queens College - CUNY, Queens, NY 11367, STECKLER, Michael, Lamont-Doherty Earth Observatory, 61 Route 9W, PO Box 1000, Palisades, NY 10964-8000, AHMED, K.M., Department of Geology, University of Dhaka, Ramna, Dhaka, 1000, Bangladesh, KHAN, Mahfuzur R., Department of Geological Sciences, University of Delaware, 255 Academy Street, Penny Hall Room # 214, Newark, DE 19711, MICHAEL, H.A., Geological Sciences, University of Delaware, Newark, DE 19716, MOZUMDER, M. Rajib Hassan, Lamont-Doherty Earth Observatory, Columbia University, Route 9W, Palisades, NY 10964, and VAN GEEN, A., Lamont-Doherty Earth Observatory of Columbia Univ, 61 Rte. 9W, Palisades, NY 10964

HUQ, Mohammad Rezaul¹, UDDIN, Ashraf¹, LEE, Ming-Kuo¹, SAUNDERS, James A.¹, ALAM, Md Iftakharul², and AHMED, Kazi Matin², (1) Department of Geology and Geography, Auburn University, 210 Petrie Hall, Auburn, AL 36849, mrh0028@auburn.edu, (2) Department of Geology, University of Dhaka, Dhaka, 1000, Bangladesh

ORMACHEA, Mauricio, Instituto de Investigaciones Químicas, Universidad Mayor de San Andrés, Campus Universitario, Calle 27, Cota Cota, La Paz, 303, Bolivia, ormachea@kth.se and BHATTACHARYA, Prosun, KTH-International Groundwater Arsenic Research Group, Division of Land and Water resources Engineering, KTH Royal Institute of Technology, Teknikringen 76, Stockholm, SE-10044, Sweden

EMERMAN, Steven H.¹, NELSON, Janae R.¹, CARLSON, J. Kade¹, ANDERSON, Tracy Kemp¹, SHARMA, Anusha², and ADHIKARI, Basanta Raj³, (1) Department of Earth Science, Utah Valley University, 800 West University Parkway, Orem, UT 84058, StevenE@uvu.edu, (2) Central Department of Geology, Tribhuvan University, Kirtipur, Kathmandu, Nepal, (3) Department of Civil Engineering, Institute of Engineering, Pulchowk Campus, Tribhuvan University, Kathmandu, Nepal

DAVIS, Brandon B., DASTRUP, Dylan B., HILBERT, Jonathan N., HOWARD, Devin, COLLEDGE, Preston D., ZACHARIAS, Daniel J., MCNAMARA, Ryan J., HOMER, Adam P., and EMERMAN, Steven H., Department of Earth Science, Utah Valley University, 800 West University Parkway, Orem, UT 84058, brandondavi@gmail.com

WALKER, Matthew R. and EMERMAN, Steven H., Department of Earth Science, Utah Valley University, 800 West University Parkway, Orem, UT 84058, uwm.llc@gmail.com