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| | 8:00 AM | Introductory Remarks |
| 12-1 | 8:05 AM | ORPIMENT SOLUBILITY EQUILIBRIUM AND ARSENIC SPECIATION FOR A HOT SPRING AT YELLOWSTONE NATIONAL PARK USING REVISED THERMODYNAMIC DATA: NORDSTROM, D. Kirk, BALL, James W., and MCCLESKEY, Richard Blaine, U.S. Geol Survey, 3215 Marine St., Suite E127, Boulder, CO 80303, dkn@usgs.gov |
| 12-2 | 8:25 AM | SURFACE COMPLEXATION MODELING OF ARSENIC ADSORPTION TO MINERAL SURFACES: GOLDBERG, Sabine, USDA-ARS, George E. Brown Jr., Salinity Lab, 450 W. Big Springs Road, Riverside, CA 92506, sgoldberg@ussl.ars.usda.gov. |
| 12-3 | 8:45 AM | FROM THERMODATA TO MODELS: A CASE STUDY FOR ARSENIC IN GEOTHERMAL SYSTEMS: CLEVERLEY, James S., Economic Geology Research Unit, School of Earth Sciences, James Cook University, Townsville, 4811, James.Cleverley@jcu.edu.au and BENNING, Liane G., School of Earth Sciences, Univ of Leeds, Woodhouse Lane, Leeds, LS2 9JT |
| 12-4 | 9:00 AM | X-RAY ABSORPTION SPECTROSCOPIC INVESTIGATION OF ARSENIC SPECIATION AND COORDINATION CHEMISTRY IN SMELTER-CONTAMINATED SOIL PROFILES, VASHON ISLAND, WA: BEAULIEU, Brett, Earth and Environmental Sciences, Vanderbilt Univ, Nashville, TN 37235, brett.t.beaulieu@vanderbilt.edu and SAVAGE, Kaye S., Earth and Environmental Sciences, Vanderbilt Univ, Box 35-1705, Station B, Nashville, TN 37235 |
| 12-5 | 9:15 AM | HIGH ARSENIC ACCUMULATION IN IRON PHASES IN NEAR-SURFACE SEDIMENTS FROM EASTERN BANGLADESH: FOSTER, A.L.1, PERKINS, R.B.2, BREIT, G.N.3, YOUNT, J.C.3, WHITNEY, J.W.3, WELCH, A.H.4, LAMOTHE, P.J.3, SANZOLONE, R.J.3, UDDIN, M.N.5, and MUNEEM, A.A.5, (1) U. S. Geol Survey, 345 Middlefield Rd., MS 901, Menlo Park, CA 94025, afoster@usgs.gov, (2) U.S. Geol Survey, 345 Middlefield Rd, MS 901, Menlo Park, CA 94025, (3) U.S. Geol Survey, MS 973, Box 25046, Denver Federal Center, Denver, CO 80225, (4) U.S. Geol Survey, 333 W. Nye Lane, Rm. 203, Carson City, NV 89706, (5) Geol Survey of Bangladesh, 153 Pioneer Rd, Segun Bagicha, Dhaka |
| | 9:30 AM | Break |
| 12-6 | 9:45 AM | APPLICATION OF A GEOCHEMICAL MODEL TO UNDERSTAND ARSENIC INTERACTIONS WITH IRON OXYHYDROXIDES IN A CRYSTALLINE BEDROCK AQUIFER: PETERS, Stephen C., Dept. of Earth and Environmental Sciences, Lehigh Univ, 31 Williams Dr, Bethlehem, PA 18015, scp2@lehigh.edu and BLUM, Joel D., Dept of Geological Sciences, Univ of Michigan, 2534 CC Little Bldg, 425 East Univ Ave, Ann Arbor, MI 48109 |
| 12-7 | 10:05 AM | Paper Withdrawn |
| 12-8 | 10:20 AM | IDENTIFYING THE ORIGIN OF A PERSISTENT ARSENIC PLUME IN A TRANSMISSIVE AQUIFER: APPLICATIONS OF GEOCHEMICAL MODELING: MYERS, Jonathan, Shaw Environmental and Infrastructure, Inc, 5301 Central Avenue NE, Suite 700, Albuquerque, NM 87108, jonathan.myers@shawgrp.com, HAGEMEIER, Debra E., Shaw Environmental and Infrastructure, Inc, 1950 S. Florence, Wichita, KS 67209, and STINE, Ernie Jr, Shaw Environmental and Infrastructure, Inc, 304 Directors Drive, Knoxville, TN 37923 |
| 12-9 | 10:35 AM | ARSENIC CONCENTRATIONS AND SPECIATION ALONG GROUNDWATER FLOW PATHS: THE CARRIZO SAND AND FLORIDAN AQUIFERS, TEXAS AND FLORIDA, USA: HAQUE, Shama1, SMITH, Makenzie M.1, TANG, Jianwu2, and JOHANNESSON, Karen H.3, (1) Graduate Program in Environmental Science and Engineering, The Univ of Texas at Arlington, 500 Yates Street, Box 19049, Arlington, TX 76019-0049, sxh4352@exchange.uta.edu, (2) Department of Ocean, Earth, and Atmospheric Sciences, Old Dominion Univ, Norfolk, VA 23529-0276, (3) Graduate Program in Environmental Science and Engineering and Department of Geology, The Univ of Texas at Arlington, 500 Yates Street, Box 19049, Arlington, TX 76019-0049 |
| 12-10 | 10:50 AM | DEFINING ARSENIC-RELATED ECOLOGICAL RISKS IN A PIT LAKE: DAVIS, Andy1, HUNTER, Penny1, BELLEHUMEUR, Tracy1, FENNEMORE, George1, and SCHOEN, Steve2, (1) Geomega, 2995 Baseline Road, Suite 202, Boulder, 80303, andy@geomega.com, (2) Placer Dome, Star Route 66, Crescent Valley, 89821 |
| 12-11 | 11:10 AM | ARSENIC EQUILIBRIA IN GROUND WATER AT LANDFILLS, CENTRAL MASSACHUSETTS: HON, Rudolph, Department of Geology & Geophysics, Boston College, 140 Commonwealth Avenue, Chestnut Hill, MA 02467, hon@bc.edu, MAYO, Matthew J., Geology and Geophysics, Boston College, 140 Commonwealth Avenue, Chestnut Hill, MA 02467, and BRANDON, William C., Region 1, USEPA, 1 Congress Street, Boston, MA 02114 |
| 12-12 | 11:25 AM | RELATING PORE WATER COMPOSITION TO SEDIMENT PROPERTIES IN ARSENIC- AND IRON-RICH SEDIMENTS: DIXIT, Suvasis and HERING, Janet G., Environmental Science and Engineering, California Institute of Technology, MS 138-78, Pasadena, CA 91125, sdixit@caltech.edu |
| 12-13 | 11:40 AM | RATES OF IRON OXIDATION AND ARSENIC SORPTION DURING GROUND WATER-SURFACE WATER MIXING AT A HAZARDOUS WASTE SITE: FORD, Robert G.1, WILKIN, Richard T.1, and ZHU, Chen2, (1) National Risk Management Research Laboratory, U.S. Environmental Protection Agency, 919 Kerr Research Dr, Ada, OK 74820, ford.robert@epamail.epa.gov, (2) Geology, Univ of Pittsburgh, 200 SRCC Building, Pittsburgh, PA 15217 |
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