RINGLER, Rebecca A., Oberlin College, Oberlin, OH 44074, rringler@oberlin.edu and VICK, Louise, University of Canterbury, Christchurch, 8140, New Zealand

DIRRINGER, Sebastian, Kent State University, 221 McGilvrey Hall Kent State University 325 S. Lincoln St, Kent, OH 44240, sdirring@kent.edu and SHAKOOR, Abdul, Department of Geology, Kent State University, Kent, OH 44240

MARSHALL, Mike, Portland State University, Portland, OR 97220, mmarshall@gri.com

ROBERTS, Nicholas J., Department of Earth Sciences, Simon Fraser University, 8888 University Drive, Burnaby, BC V5A 1S6, Canada, nickr@sfu.ca, HERMANNS, Reginald L., Geological Survey of Norway, Leiv Erikssons vei 39, Trondheim, NO-7491, Norway, GUZMÁN, Marco Antonio, Instituto de Investigaciones Geológicas y del Medio Ambiente, Universidad Mayor de San Andrés, Av. Villazón 1995, Monoblock Central, La Paz, Bolivia, RABUS, Bernhard, 3vGeomatics, 202-2339 Columbia Street, Vancouver, BC V5Y 3Y3, MINAYA, Estela, Observatorio San Calixto, Indaburo 944, La Paz, 12656, Bolivia, and CLAGUE, John, Earth Sciences, Simon Fraser University, 8888 University Drive, Burnaby, BC V5A 1S6, Canada

ROSS, Julia K., Olivet Nazarene University, One University Ave #8215, Bourbonnais, IL 60914, jkross1@olivet.edu and REAMS, Max W., Physical Sciences, Olivet Nazarene University, One University Avenue, Bourbonnais, IL 60914

MURPHY, Sinead, Simon Fraser University, Vancouver, BC V5N 1H6, sineadm@sfu.ca, PELLATT, Marlow G., Parks Canada, Ecological Restoration, 300 - 300 West Georgia Street, Vancouver, BC V6B 6B4, Canada, and KOHFELD, Karen E., Simon Fraser University, School of Resource and Environmental Management, Vancouver, BC V5A1S6, Canada

MOHAMMED, Aaron A., Department of Geoscience, University of Calgary, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada, amohamme@ucalgary.ca, SCHINCARIOL, Robert A., Department of Earth Sciences, Univ of Western Ontario, London, ON N6A5B7, Canada, QUINTON, William L., Cold Regions Research Centre, Wilfrid Laurier University, 75 University Avenue West, Waterloo, ON N2L 3C5, Canada, and NAGARE, Ranjeet M., Water Business Unit, WorleyParsons Canada Services Ltd, Suite 700, 4445 Calgary Trail, Edmonton, AB T6H 5R7, Canada

WYERING, Latasha Deborah¹, VILLENEUVE, Marlene C.¹, and WALLIS, Irene C.², (1) Department of Geological Sciences, University of Canterbury, Private Bag 4800, Christchurch, 8140, New Zealand, latasha.wyering@pg.canterbury.ac.nz, (2) Mighty River Power, 283 Vaughan Road, P.O. Box 3040, Rotorua, 3040, New Zealand

ALAM, Md. Samrat, Earth & Atmospheric Sciences, University of Alberta, 1-26 Earth Sciences Building, University of Alberta, Edmonton, AB T6G 2E3, Canada, mdsamrat@ualberta.ca, AHMED, Kazi Matin, Department of Geology, University of Dhaka, Dhaka, 1000, Bangladesh, HASAN, M. Aziz, Department of Geology, University of Dhaka, Bangladesh, Dhaka-1000, Bangladesh, and 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

KILLIAN, Courtney, Geology, Mississippi State University, 21 Ace Ave Apt 106B, Starkville, MS 39759, ck695@msstate.edu, SCHMITZ, Darrel W., Geosciences, Mississippi State University, Mississippi State, MS 39762, STEWART, Hannah, Geosciences, Mississippi State University, 320 Beezer Road, Starkville, MS 39759, and POUNDERS, Deborah, Columbus Middle School, 175 HW 373, Columbus, MS 39705

SAFAEI JAZI, Ramin, Earth and Atmospheric Sciences, University of Alberta, #101-10820 78 Avenue, Edmonton, AB T6E1P8, Canada, saafaeif@ualberta.ca and ECKSTEIN, Yoram, P.O. Box 3026, Kent, OH 44240

RANDALL, Matt and CARLING, Gregory T., Department of Geological Sciences, Brigham Young University, S-389 ESC, Provo, UT 84602, mattrandall3@gmail.com

KIM, HyunJu, CHANG, Seeun, and UM, Wooyong, Division of Advanced Nuclear Engineering, POSTECH, 1st LAB Bldg, 77 Cheongam-ro, Nam-gu, Pohang, 790-784, South Korea, hyunju1157@postech.ac.kr

CHANG, Seeun, KIM, HyunJu, and UM, Wooyong, Division of Advanced Nuclear Engineering, POSTECH, 1st LAB Bldg, 77 Cheongam-ro, Nam-gu, Pohang, 790-784, South Korea, seeun@postech.ac.kr

COTTER, Z.M.K.¹, SOLPUKER, U.¹, and SCHWARTZ, F.W.², (1) School of Earth Sciences, The Ohio State University, 125 S. Oval Mall, Columbus, OH 43210, Cotter.66@buckeyemail.osu.edu, (2) School Earth Sciences, The Ohio State University, 125 S. Oval Mall, Columbus, OH 43210