LLOYD, Jonathan R.¹, GEISSLER, Andrea², LAW, Gareth T.W.¹, KIMBER, Richard¹, BOOTHMAN, Christoper¹, LIVENS, Francis R.³ and MORRIS, Katherine¹, (1)School of Earth, Atmospheric and Environmental Science, University of Manchester, Manchester, M13 9PL, United Kingdom, (2)Forschungszentrum Dresden Rossendorf, Inst Radiochem, Dresden, 01328, Germany, (3)Schools of Chemistry and Earth, Atmospheric and Environmental Science, University of Manchester, Manchester, M13 9PL, United Kingdom, jon.lloyd@manchester.ac.uk, jon.lloyd@manchester.ac.uk

SCHEIBE, Timothy D.¹, FANG, Yilin¹, TARTAKOVSKY, Guzel D.¹, ZHAO, Jiao², ZHUANG, Kai², MAHADEVAN, Radhakrishnan² and LOVLEY, Derek R.³, (1)Pacific Northwest National Lab, PO Box 999, MS K9-36, Richland, WA 99352, (2)Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College Street, Toronto, ON M5S 3E5, Canada, (3)Microbiology, University of Massachusetts, Amherst, Morrill IV North Science Center, Amherst, MA 01003, tim.scheibe@pnl.gov, tim.scheibe@pnl.gov

FANG, Yilin¹, YABUSAKI, Steven B.¹, WILKINS, Michael J.² and LONG, Philip E.³, (1)Pacfic Northwest National Lab, P.O. Box 999, MS K9-36, Richland, WA 99352-0999, (2)Pacific Northwest National Laboratory, PO Box 999, Richland, WA 99354, (3)PACIFIC NORTHWEST NATIONAL LABORATORY, Mail Stop K9-33, Richland, WA 99354, yilin.fang@pnnl.gov, yilin.fang@pnnl.gov

NEWMAN, Mark A.¹, STUCKER, Valerie², CHO, Jaehyun³, PEACOCK, Aaron⁴, KLAMMLER, Harald³, HATFIELD, Kirk⁵, RANVILLE, James⁶, CABANISS, Stephen⁷, LEAVITT, Janet⁷ and ANNABLE, Michael³, (1)Civil and Coastal Engineering, University of Florida, 365 Weil Hall, Gainsville, FL 32611, (2)Colorado School of Mines, Golden, CO 80401, (3)University of Florida, Gainesville, FL 32611, (4)Microbial Insights, Rockford, TN 37853, (5)Civil and Coastal Engineering, University of Florida, Gainsville, FL 32611, (6)Chemistry and Geochemistry, Colorado School of Mines, Golden, CO 80401, (7)University of New Mexico, Albuquerque, NM 87131, markn@ufl.edu, markn@ufl.edu

HANDLEY, Kim M.¹, WRIGHTON, Kelly C.¹, WILKINS, Michael J.², WILLIAMS, Kenneth H.³, VERBERKMOES, Nathan C.⁴, THOMAS, Brian C.¹, SHARON, Itai¹, HETTICH, Robert⁴, LONG, Philip E.⁵ and BANFIELD, Jill F.⁶, (1)Department of Earth and Planetary Science, University of California, Berkeley, Banfield Lab, 370 McCone, Berkeley, CA 94720, (2)Fundamental Science Directorate, Pacific Northwest National Laboratory, PO Box 999, Richland, WA 99354, (3)Earth Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Rd. MS-90-1116, Berkeley, CA 94720, (4)Chemical Sciences and Biosciences Divisions, Oak Ridge National Laboratory, Oak Ridge National Laboratory, Oak Ridge, TN TN 37831, (5)Energy and Environment Directorate, Pacific Northwest National Laboratory, PO Box 999, Richland, WA 99354, (6)Earth and Planetary Science, University of California, Berkeley, 369 McCone Hall, Berkeley, 94720, kim.handley@berkeley.edu, kim.handley@berkeley.edu

LEZAMA PACHECO, Juan S.¹, BARGAR, John R.², BERNIER-LATMANI, Rizlan³, SUVOROVA, Elena I.³, WILLIAMS, Kenneth H.⁴, LONG, Philip E.⁵, GIAMMAR, Daniel E.⁶, DAVIS, James A.⁷ and STUBBS, Joanne E.⁸, (1)SLAC National Accelerator Laboratory, Stanford Synchrotron Radiation Lightsource, 2575 Sand HIll Road Menlo Park CA MS 69, Menlo Park, CA 94025, (2)Stanford Synchrotron Radiation Lightsource, 2575 Sand Hill Rd, Menlo Park, CA 94025, (3)Environmental Microbiology Laboratory, Ecole Polytechnique Federale de Lausanne, Station 6, Lausanne, CH-1015, Switzerland, (4)Earth Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Rd. MS-90-1116, Berkeley, CA 94720, (5)Energy and Environment Directorate, Pacific Northwest National Laboratory, PO Box 999, Richland, WA 99354, (6)Department of Civil Engineering, Washington University, Campus Box 1180, One Brookings Drive, St. Louis, MO 63130, (7)Earth Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Rd, MS 74R316C, Berkeley, CA 94720, (8)University of Chicago-GSECARS, Building 434A, 9700 South Cass Ave, Argonne, IL 64039, jlezama@slac.stanford.edu, jlezama@slac.stanford.edu

ZACHARA, John¹, DAVIS, James A.², LONG, Philip E.³, WILLIAMS, Kenneth H.², FRESHLEY, Mark¹ and MCKINLEY, James P.⁴, (1)Fundamental Sciences Directorate, Northwest National Laboratory, PO Box 999; MS K8-96, Richland, WA 99354, (2)Earth Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Rd. MS-90-1116, Berkeley, CA 94720, (3)Energy and Environment Directorate, Pacific Northwest National Laboratory, PO Box 999, Richland, WA 99354, (4)Pacific Northwest National Laboratory, 902 Battelle Boulevard, P.O. Box 999, MSIN K6-96, Richland, WA 99352, john.zachara@pnnl.gov, john.zachara@pnnl.gov

LONG, Philip E.¹, WILLIAMS, Kenneth H.², PEACOCK, Aaron D.³, BARGAR, John R.⁴, BUSH, Richard P.⁵, DAVIS, James A.², FOX, Patricia M.⁶, HATFIELD, Kirk⁷, NEWMAN, Mark A.⁷ and CAMPBELL, Kate M.⁸, (1)Energy and Environment Directorate, Pacific Northwest National Laboratory, PO Box 999, Richland, WA 99354, (2)Earth Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Rd. MS-90-1116, Berkeley, CA 94720, (3)Microbial Insights, Rockford, TN 37853-3044, (4)Stanford Synchrotron Radiation Lightsource, 2575 Sand Hill Rd, Menlo Park, CA 94025, (5)U.S. Department of Energy, Legacy Management, Grand Junction, CO 81502, (6)Earth Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Rd, MS 74R316C, Berkeley, CA 94720, (7)Civil and Coastal Engineering, University of Florida, Gainsville, FL 32611, (8)Water Resources Division, U.S. Geological Survey, Boulder, CO 80303, philip.long@pnl.gov, philip.long@pnl.gov

QAFOKU, Nikolla P.¹, GARTMAN, Brandy¹, KUKKADAPU, Ravi K.², AREY, Bruce¹, MURRAY, Christopher J.³, RESCH, Charles T.¹, WILLIAMS, Kenneth H.⁴ and LONG, Philip E.⁵, (1)Pacific Northwest National Laboratory, 902 Battelle Boulevard, P.O. Box 999, MSIN K6-96, Richland, WA 99352, (2)Pacific Northwest National Laboratory, Richland, WA 99352, (3)Applied Geology and Geochemistry Group, Pacfic Northwest National Lab, P.O. Box 999, MS K6-81, Richland, WA 99352-0999, (4)Earth Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Rd. MS-90-1116, Berkeley, CA 94720, (5)PACIFIC NORTHWEST NATIONAL LABORATORY, Mail Stop K9-33, Richland, WA 99354, brandy.gartman@pnnl.gov, brandy.gartman@pnnl.gov

CONRAD, Mark E.¹, WILLIAMS, Kenneth H.², BILL, Markus¹, GUPTA, Manish³, BERMAN, Elena³, DAVIS, James A.² and LONG, Philip E.⁴, (1)Earth Sciences Division, Lawrence Berkeley National Laboratory, Mailstop 70A-4418, Berkeley, CA 94720, (2)Earth Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Rd. MS-90-1116, Berkeley, CA 94720, (3)Los Gatos Research, 67 East Evelyn Avenue, Suite 3, Mountain View, CA 94041, (4)PACIFIC NORTHWEST NATIONAL LABORATORY, Mail Stop K9-33, Richland, WA 99354, MSConrad@lbl.gov, MSConrad@lbl.gov

LAUBACH, Parker¹, JOHNSON, Thomas¹, LUNDSTROM, Craig², WILLIAMS, Kenneth H.³ and LONG, Philip⁴, (1)Dept of Geology, University of Illinois, Urbana, IL 61853, (2)Department of Geology, University of Illinois-Urbana Champaign, 245 Natural History Bldg, 1301 W. Green Street, Urbana, IL 61801, (3)Earth Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Rd. MS-90-1116, Berkeley, CA 94720, (4)Hydrology, Pacific Northwest National Lab, PO Box 999, Mail Stop K9-33, Richland, WA 99352, laubach1@illinois.edu, laubach1@illinois.edu

CABEZAS, Jose, CLAPP, Lee W. and GAMBOA, Yaneth, Environmental Engineering, Texas A&M University-Kingsville, 917 W Avenue B, MSC 213, Kingsville, TX 78363, lee.clapp@tamuk.edu, lee.clapp@tamuk.edu