WANG, Bronwen, Alaska Science Center, U.S. Geological Survey, 4210 University Dr, Anchorage, AK 99508, GOUGH, Larry, U.S. Geological Survey, 12201 Sunrise Valley Dr, MS954, Reston, VA 20192, WANTY, Richard, U.S. Geological Survey, P.O. Box 25046, MS 973, Denver, CO 80225-0046, LEE, Gregory, U.S. Geological Survey, PO Box 25046, Denver Federal Center, Mailstop 973, Denver, CO 80225, VOHDEN, Jim, Alaska Department of Nat Rscs, Fairbanks, AK 99775 and O'NEILL, J. Michael, USGS, Denver Federal Center, MS 964, Denver, CO 80225, bwang@usgs.gov, bwang@usgs.gov

ILGEN, Anastasia¹, MAJS, Frantisek¹, BARKER, Amanda¹, DOUGLAS, Thomas² and TRAINOR, Thomas P.¹, (1)Department of Chemistry and Biochemistry, University of Alaska Fairbanks, PO Box 6160-99775, Fairbanks, AK 99775, (2)US Army Core of Engineers, Cold Regions Research and Engineering Laboratory, Bldg. 4070, Ft. Wainwright, AK 99703, anastasia.ilgen@alaska.edu, anastasia.ilgen@alaska.edu

VENGOSH, Avner¹, MEROLA, Brittany R.¹, RUHL, Laura², WARNER, Nathaniel³, LINDBERG, Ty⁴ and DI GIULIO, Richard T.⁴, (1)Division of Earth and Ocean Sciences, Nicholas School of the Environment, Duke University, Durham, NC 27708, (2)Earth and Ocean Sciences, Duke University, Durham, NC 27708, (3)Division of Earth and Ocean Sciences, Duke University, Old Chemistry Building, Durham, NC 27708, (4)Division of Environment and Policy Sciences, Nicholas School of the Environment, Duke University, Durham, NC 27708, N/A, N/A

JOHNSON, Craig A., US Geological Survey, MS 963, Box 25046, Denver, CO 80225, cjohnso@usgs.gov, cjohnso@usgs.gov

JUBB, Aaron M. and ALLEN, Heather C., Department of Chemistry, The Ohio State University, 100 W. 18th Ave, Columbus, OH 43210, ajubb@chemistry.ohio-state.edu, ajubb@chemistry.ohio-state.edu

HAYES, Sarah M., Department of Chemistry and Biochemistry, University of Alaska Fairbanks, 900 Yukon Dr, Rm 194, Fairbanks, AK 99775 and CHOROVER, Jon, Department of Soil, Water and Environmental Science, University of Arizona, 525 Shantz Bldg, Tucson, AZ 85721-0038, s.hayes@alaska.edu, s.hayes@alaska.edu

VANNIER, Ryan, Geological Sciences, Michigan State University, 206 Natural Science, East Lansing, MI 48824, YOHN, Sharon S., Environmental Science & Studies, Juniata College, B211 Brumbaugh Academic Center, Huntingdon, PA 16652 and LONG, David T., Geological Sciences, Michigan State University, 288 Farm Ln, East Lansing, MI 48824, vannierr@msu.edu, vannierr@msu.edu

DUZGOREN-AYDIN, Nurdan S., Department of Geoscience and Geography, New Jersey City University, 2039 Kennedy Boulevard, Jersey City, NJ 07305, naydin@njcu.edu, naydin@njcu.edu

LONG, David T., Geological Sciences, Michigan State University, 288 Farm Ln, East Lansing, MI 48824, VANNIER, Ryan G., Geological Sciences, Michigan State University, 206 Natural Science Building, East Lansing, MI 48824, PIJANOWSKI, Bryan, Forestry and Natural Resources, Purdue University, Forestry and Natural Resources 715 West State Street Purdue University, West Lafayette, IN 47907 and PARSONS, Matthew J., Geological Sciences, Michigan State University, 206 Natural Science, East Lansing, MI 48824, long@msu.edu, long@msu.edu

GOURLEY, Jonathan, Enivronmental Science Program, Trinity College, 300 Summit Street, Hartford, CT 06106, jonathan.gourley@trincoll.edu, jonathan.gourley@trincoll.edu

KEIMOWITZ, Alison R.¹, LEE, Ming-Kuo², SAUNDERS, James A.³, LAMBORG, Carl H.⁴, OKEKE, Benedict⁵, NATTER, Michael⁶, KEEVAN, Jeffrey⁶, LEWIS, Deirdre¹ and CHUNG, Hansol¹, (1)Chemistry, Vassar College, 124 Raymond Ave, Poughkeepsie, NY 12604, (2)Department of Geology and Geography, Auburn University, Auburn, AL 36849, (3)Department of Geosciences, Auburn University, 210 Petrie Hall, Auburn, AL 36849, (4)Chemistry and Geochemistry, Woods Hole Oceanographic Institution, Woods Hole, MA 02543, (5)Biology, Auburn University, Montgomery, 36124, (6)Department of Geology and Geography, Auburn University, AL 36849, alkeimowitz@vassar.edu, alkeimowitz@vassar.edu

BANZHAF, Stefan¹, KREIN, Andreas² and SCHEYTT, Traugott J.¹, (1)Department of Applied Geosciences, Hydrogeology Research Group, Technische Universität Berlin, Ernst-Reuter-Platz 1, Berlin, 10587, Germany, (2)Department of Environment and Agro-Biotechnologies (EVA), Centre de Recherche Public - Gabriel Lippmann, rue du Brill 41, Belvaux, 4422, Luxembourg, s.banzhaf@tu-berlin.de, s.banzhaf@tu-berlin.de

DUSTER, Thomas A., Civil Engineering and Geological Sciences, University of Notre Dame, 156 Fitzpatrick Hall, Notre Dame, IN 46556 and FEIN, Jeremy B., Civil and Environmental Engineering and Earth Sciences, University of Notre Dame, 156 Fitzpatrick Hall, Notre Dame, IN 46556, tduster@nd.edu, tduster@nd.edu

SHOUAKAR-STASH, Orfan¹, VAKILI, Fatemeh², ILLMAN, Walter³ and FRAPE, Shaun K.³, (1)Earth and Environmental Sciences, University of Waterloo, Waterloo, ON N2L 3G1, Canada, (2)Earth and Environmental Sciences, University of Waterloo, 200 University Ave. W, Waterloo, ON N2L 3G1, Canada, (3)Earth & Environmental Sciences, University of Waterloo, 200 University Avenue West, Waterloo, ON N2L 3G1, Canada, orfan@uwaterloo.ca, orfan@uwaterloo.ca