RUHL, Laura, Division of Earth and Ocean Sciences, Duke University, Box 90227, Durham, NC 27708, VENGOSH, Avner, Division of Earth and Ocean Sciences, Nicholas School of the Environment, Duke University, Durham, NC 27708 and DWYER, Gary S., Division of Earth and Ocean Sciences, Nicholas School of the Environment and Earth Sciences, Duke University, Box 90227, Durham, NC 27708, lsr3@duke.edu, lsr3@duke.edu

OREM, William H.¹, TATU, Calin², CROSBY, Lynn M.³, VARONKA, Matthew S.¹, BATES, Anne L.¹, ENGLE, Mark⁴, GEBOY, Nicholas J.³ and HENDRYX, Michael S.⁵, (1)Eastern Energy Resources Science Center, U.S. Geological Survey, 12201 Sunrise Valley Dr, MS 956, Reston, VA 20192, (2)University of Medicine and Pharmacy, Timisoara, 300708, Romania, (3)U.S. Geological Survey, 956 National Center, Reston, VA 20192, (4)U.S. Geological Survey, El Paso, TX 79930, (5)School of Public Health, West Virginia University, Morgantown, WV 26506, borem@usgs.gov, borem@usgs.gov

COUPE, Richard H., U. S. Geol Survey, 308 South Airport Road, Pearl, MS 39208-6649, WELCH, Heather L., U.S. Geological Survey, 308 South Airport Road, Jackson, MS 39208 and AULENBACH, Brent, U.S. Geological Survey, 3039 Amwiler rd, Atlanta, GA 30360, rhcoupe@usgs.gov, rhcoupe@usgs.gov

BROWN, Amy L.¹, MARTIN, Jonathan B.², SCREATON, Elizabeth³, EZELL, John¹ and SPELLMAN, Patricia⁴, (1)Department of Geological Sciences, University of Florida, 241 Williamson Hall, Gainesville, FL 32611, (2)Department of Geological Sciences, University of Florida, 241 Williamson Hall, P.O. Box 112120, Gainesville, FL 32611-2120, (3)Geological Science, University of Florida, 241 Williamson Hall, PO Box 112120, Gainesville, FL 32611, (4)Department of Civil and Environmental Engineering, Michigan Technological University, 1400 Townsend Dr, Houghton, MI 49931, amy.brown@ufl.edu, amy.brown@ufl.edu

NORDSTROM, D. Kirk, U.S. Geological Survey, Boulder Labs, 3215 Marine St, Boulder, CO 80303 and MCCLESKEY, R.B., U.S. Geological Survey, 3215 Marine St, Boulder, CO 80303, dkn@usgs.gov, dkn@usgs.gov

FORTNER, Sarah K., Geology, Wittenberg University, Springfield, OH 45501 and LYONS, W. Berry, Byrd Polar Research Center and School of Earth Sciences, The Ohio State University, Columbus, OH 43210, lyons.142@osu.edu, lyons.142@osu.edu

CHAINEY, Veronica J.¹, CHIRENJE, Tait², PATRICK, Doreena¹ and SEDIA, Ekaterina¹, (1)Natural and Marine Sciences, The Richard Stockton College of New Jersey, 101 Vera King Farris Drive, Galloway, NJ 08205, (2)Environmental Sciences/Chemistry, The Richard Stockton College of New Jersey, 101 Vera King Farris Drive, Galloway, NJ 08205, vchainey@cccnj.edu, vchainey@cccnj.edu

ELLIS, Robert J., ARCADIS U.S., Inc, 28550 Cabot Drive, Suite 500, Novi, MI 48377, LONG, David T., Geological Sciences, Michigan State University, 288 Farm Ln, East Lansing, MI 48824 and ICOPINI, Gary, Montana Bureau of Mines and Geology, 1300 West Park Street, Butte, MT 59701-8997, long@msu.edu, long@msu.edu

VANNIER, Ryan¹, LONG, D.² and ROBINSON, Amanda², (1)Department of Geological Sciences, Michigan State University, 206 Natural Science Building, East Lansing, MI 48824, (2)Geological Sciences, Michigan State University, 206 Natural Science Building, East Lansing, MI 48824, milakes@msu.edu, milakes@msu.edu

MCARTHUR, John M.¹, SIKDAR, P.K.², HOQUE, M.A.³ and GHOSAL, U.², (1)Earth Science, University College London, Gower Street, London, WC1E 6BT, United Kingdom, (2)Environment Management, IISWBM, College Square, Kolkata, Kolkata, 700073, India, (3)Earth Sciences, University College London, Gower Street, London, WC1E 6BT, United Kingdom, j.mcarthur@ucl.ac.uk, j.mcarthur@ucl.ac.uk

LORAH, Michelle M.¹, WALKER, Charles W.², BRAYTON, Michael J.² and COZZARELLI, Isabelle M.³, (1)U.S. Geological Survey, MD-DE-DC Water Science Center, 5522 Research Park Drive, Baltimore, MD 21228, (2)USGS, MD-DE-DC Water Resources Center, 5522 Research Park Drive, Baltimore, MD 21228, (3)U.S. Geological Survey, National Research Program, Eastern Branch, Reston, VA 20192, mmlorah@usgs.gov, mmlorah@usgs.gov

DOVICK, Meghan A.¹, KULP, Thomas R.², PILLIOD, David S.³, ARKLE, Robert S.³ and BLATCHFORD, Hannah⁴, (1)Department of Geological Sciences and Environmental Studies, Binghamton University, P.O. Box 6000, Binghamton, NY 13902, (2)Department of Geological Sciences and Environmental Studies, Binghamton University, State University of New York, 4400, Vestal Parkway East, Binghamton, Binghamton, NY 13902, (3)USGS, Forest and Rangeland Ecosystem Science Center, 970 Lusk Street, Boise, ID 83706, (4)Dept. of Geology, Beloit College, Middletown, WI 53511, mdovick1@binghamton.edu, mdovick1@binghamton.edu

MANNING, Andrew H., U.S. Geological Survey, P.O. Box 25046, Mail Stop 973, Denver, CO 80225, TODD, Andrew S., Crustal Geophysics and Geochemistry Science Center, U.S. Geological Survey, P.O. Box 25046, Denver, CO 80225-0046, VERPLANCK, Philip L., U.S. Geological Survey, P.O. Box 25046, M.S. 973, Denver Federal Center, Denver, CO 80225-0046 and CAINE, Jonathan Saul, U.S. Geological Survey, Box 25046, DFC, MS 964, Denver, CO 80225-0046, amanning@usgs.gov, amanning@usgs.gov

LEE, Ming-Kuo¹, NATTER, Michael¹, KEEVAN, Jeffrey¹, QUERRA, Kirsten¹, KEIMOWITZ, Alison R.², WANG, Yang³, OKEKE, Benedict⁴ and SON, Ahjeong⁵, (1)Department of Geology and Geography, Auburn University, Auburn, AL 36849, (2)Chemistry, Vassar College, 124 Raymond Ave, Poughkeepsie, NY 12604, (3)Earth, Ocean and Atmospheric Science, Florida State University, National High Magnetic Field Laboratory, Tallahassee, FL 32310, (4)Biology, Auburn University, Montgomery, 36124, (5)Civil Engineering, Auburn University, Auburn, AL 36849, Leeming@auburn.edu, Leeming@auburn.edu