ZIELINSKI, Robert A., U.S. Geological Survey, MS 973, Denver Federal Center, Denver, CO 80225-0046, OTTON, James K ., Energy Program, U.S. Geological Survey, MS 939 Box 25046, Denver Federal Center, Lakewood, CO 80225, SCHUMANN, R. Randall, U.S. Geological Survey, Box 25046, MS 980, Denver Federal Center, Denver, CO 80225-0046 and WIRT, Laurie, DOI, U.S. Geological Survey, PO Box 25046, MS 973, Denver Federal Center, Denver, CO 80225, rzielinski@usgs.gov, rzielinski@usgs.gov

LIZÁRRAGA MENDIOLA, Liliana¹, OSTOS SANTOS, J.A.², HERNANDEZ-AVILA, J.³, BLANCO PIÑON, A.³, OLGUIN COCA, F.J.¹ and GUERRERO RODRIGUEZ, M.¹, (1)Ingeniería Civil, Universidad Autónoma del Estado de Hidalgo, Ciudad Universitaria, Mineral de la Reforma, 42184, Mexico, (2)Posgrado en Ingeniería Agrícola y Uso Integral del Agua, Universidad Autónoma Chapingo, km 38.5, carretera México-Texcoco, Chapingo, 56230, Mexico, (3)Centro de Investigaciones en Ciencias de la Tierra y Materiales, Universidad Autonoma del Estado de Hidalgo, Ciudad Universitaria, Mineral de la Reforma, 42184, Mexico, lililga@gmx.net, lililga@gmx.net

WIDOM, Elisabeth and KUENTZ, David C., Miami Univ, Shideler Hall, Oxford, OH 45056, widome@muohio.edu, widome@muohio.edu

PERKINS, Courtney A.¹, DALE, Michael², MARTINEZ, Dan'l¹, ENGLERT, David³ and GRANZOW, Kim¹, (1)New Mexico Environment Department, Department of Energy Oversight Bureau, 1183 Diamond Drive, Suite B, Los Alamos, NM 87544, (2)New Mexico Environment Department, 1183 Diamond Drive, Suite B, Los Alamos, NM 87544, (3)New Mexico Environment Department, Department of Energy Oversight Bureau, 2905 Rodeo Park Drive East, Building 1, Santa Fe, NM 87505, cperkins@lanl.gov, cperkins@lanl.gov

THORDSEN, James J.¹, KHARAKA, Yousif K.¹, AMBATS, Gil¹, MANNING, Michael A.², COLE, David R.³, PHELPS, Tommy J.⁴, HORITA, Juske³ and LU, Jiemin⁵, (1)U. S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025, (2)U. S. Geological Survey, 308 South Airport Road, Pearl, MS 39208-6649, (3)Chemical Sciences Division, Oak Ridge National Lab, 1 Bethel Valley Rd, Oak Ridge, TN 37831-6110, (4)Environmental Sciences Division, Oak Ridge National Lab, P.O. Box 2008, Oak Ridge, TN 37831-6036, (5)Bureau of Economic Geology, Jackson School of Geosciences, University of Texas at Austin, Universiy Station, Box X, Austin, TX 78713, thordsn@usgs.gov, thordsn@usgs.gov

MOUZAKIS, Katherine M.¹, NAVARRE-SITCHLER, Alexis¹, MCCRAY, John E.², ROTHER, Gernot³, DEWERS, Thomas⁴ and HEATH, Jason⁵, (1)Environmental Science & Engineering, Colorado School of Mines, 1500 Illinois Street, Golden, CO 80401, (2)Civil and Environmental Engineering, Colorado School of Mines, 1500 Illinois Street, Golden, CO 80401, (3)Chemical Sciences Division, Oak Ridge National Laboratory, P.O. Box 2008, 1 Bethel Valley, Oak Ridge, TN 37831-6110, (4)P. O. Box, MS 0779, Sandia National Laboratories, Albuquerque, NM 87185-0779, (5)Sandia National Laboratories, PO Box 5800, Albuquerque, NM 87185-0750, kmouzaki@mymail.mines.edu, kmouzaki@mymail.mines.edu

ADAMS, James P., Department of Geology & Geography, West Virginia University, 330 Brooks Hall, Morgantown, WV 26506, VESPER, Dorothy J., Department of Geology & Geography, West Virginia University, Morgantown, WV 26506, CAPO, Rosemary C., Department of Geology & Planetary Science, University of Pittsburgh, Pittsburgh, PA 15260 and EDENBORN, Harry M., Geosciences Division, National Energy Technology Lab; U.S. Department of Energy, P.O. Box 10940, Pittsburgh, PA 15236, jadams23@mix.wvu.edu, jadams23@mix.wvu.edu

URQUHART, Alexander, Jackson School of Geosciences, The University of Texas at Austin, Austin, TX 78705 and EICHHUBL, Peter, Bureau of Economic Geology, The University of Texas at Austin, Austin, TX 78705, asmurquhart@mail.utexas.edu, asmurquhart@mail.utexas.edu

WOLF, Sarah, Pacific Northwest National Laboratory, Applied Geology and Geochemistry, 902 Battelle Boulevard, P.O. Box 999, MSIN K6-81, Richland, WA 99352, SULLIVAN, Charlotte, Appl. Geol. & Geochem. Group, Pacific Northwest National Laboratories, Richland, WA 99352–999 and MCGRAIL, Bernard Peter, Applied Geology and Geochemistry, Pacific Northwest National Laboratory, 902 Battelle Blvd, P.O. Box 999, Richland, WA 99352, sarah.wolf@pnl.gov, sarah.wolf@pnl.gov

MEUZELAAR, Tom, Department of Geology and Geological Engineering, Colorado School of Mines, 1516 Illinois Street, Golden, CO 80401, THYNE, Geoffrey, Enhanced Oil Recovery Institute, University of Wyoming, 1000 E. University Ave., #3006, Laramie, WY 82071, ALCOTT, Alison, Rockware, Inc, Golden, CO 80401 and BUDD, David, Department of Geological Sciences, University of Colorado at Boulder, 2200 Colorado Ave, Boulder, CO 80309, tmeuzela@mines.edu, tmeuzela@mines.edu