Session No. 47 Monday, November 5, 2001

1:30 PM-5:30 PM, Hynes Convention Center: 210
T61. Natural Arsenic in Groundwater: Science, Regulation, and Health Implications
Stuart Rojstaczer and Stephen Peters, Presiding
 Paper #Start Time
47-01:30 PM POLLUTION OF GROUNDWATER BY ARSENIC IN SEDIMENTARY AQUIFERS: MCARTHUR, J. M., University College London, Gower Street, London, WC1E 6BT, United Kingdom,, RAVENSCROFT, P., Mott MacDonald Int'l, 122 Gulshan Avenue, Dhaka, 1212, Bangladesh, HOQUE, B. A., Geological Sciences, UCL, Gower Street, London, WC1E 6BT, United Kingdom, and SAFIULLAH, S., Environmental Sciences, Jahangirnagar Univ, Savar, Dhaka, Bangladesh
47-01:45 PM DISTRIBUTION, HYDROCHEMICAL CONTEXT AND MOBILITY OF ARSENIC IN ALLUVIAL AQUIFERS OF THE BENGAL BASIN: BURGESS, William1, AHMED, K. Matin2, BURREN, Melanie3, CARRUTHERS, Alison4, COBBING, Jude5, CUTHBERT, Mark O.6, MATHER, Stephen7, MCCARTHY, Eileen1, PERRIN, Jérôme8, and CHATTERJEE, Debashis9, (1) Geological Sciences, Univ College London, Gower Street, London, WC1E 6BT, United Kingdom,, (2) Geology, Dhaka Univ, Dhaka, 1000, Bangladesh, (3) Geological Sciences, Univesrity College London, Gower Street, London, WC1E 6BT, United Kingdom, (4) Chemistry, Univ College London, Gower Street, London, WC1E 6BT, United Kingdom, (5) Hydrogeology, British Geol Survey, Maclean Building, Crowmarsg Gifford, Wallingford, Oxon, OX10 8BB, Uruguay, (6) Hydrogeology, ENTEC UK, 160-162 Abbey Foregate, Shrewsbury, SY2 6BZ, United Kingdom, (7) Groundwater, Mott MacDonald Ltd, St. Anne House, Wellesley Road, Croydon, CR9 2UL, United Kingdom, (8) Centre of Hydrogeology, Neuchâtel Univ, Neuchâtel, Switzerland, (9) Chemistry, Kilyani Univ, West Bengal, India
47-02:00 PM VARIABILITY OF ARSENIC CONCENTRATIONS IN TUBE WELLS FROM ONE VILLAGE IN ARAIHAZAR UPAZILA, NARAYANGANJ DISTRICT OF BANGLADESH: ZHENG, Y.1, DHAR, R.1, STUTE, M.2, VAN GEEN, A.2, HORNEMAN, A.2, GAVRIELI, I.3, VERSTEEG, R.2, STECKLER, M.2, GOODBRED, S.4, and AHMED, K. M.5, (1) School of Earth and Environmental Sciences, Queens College, C.U.N.Y, 65-30 Kissena Blvd, Flushing, NY 11365,, (2) Lamont Doherty Earth Observatory, 61 Rte. 9W, Palisades, NY 10964, (3) Geol Survey of Isarel, Jerusalem, Israel, (4) SUNY, Stony Brook, NY, (5) Dhaka Univ, Bangladesh
47-02:30 PM VARIATION IN BEDROCK GROUND-WATER ARSENIC CONCENTRATIONS AND IMPLICATIONS FOR HUMAN-HEALTH STUDIES IN NEW ENGLAND: AYOTTE, Joseph D.1, RYKER, Sarah J.2, and PROCTOR, Amy L.1, (1) U.S. Geol Survey, 361 Commerce Way, Pembroke, NH 03275,, (2) U. S. Geol Survey, Box 24056, MS 415, Denver, CO 80225
47-02:45 PM ARSENIC AND HUMAN HEALTH: AN EPIDEMIOLOGY PERSPECTIVE: KARAGAS, Margaret R., Dept of Community and Family Medicine, Dartmouth College Medical School, 7927 Rubin 462M-3, 1 Medical Center Drive, Lebanon, NH 03756,
47-03:00 PM ARSENIC: MOVING TOWARD A REGULATION: VARNEY, Robert W., U.S Environmental Protection Agency, One Congress Street, Suite 1100 (RAA), Boston, MA 02203-2023,
 3:15 PM Break
47-03:30 PM A WATERSHED PERSPECTIVE ON THE CONTROLS OF ARSENIC MOBILITY: HEMOND, Harold F., Civil and Environmental Engineering, Massachusetts Institute of Technology, 48-311, Cambridge, MA 02139,
47-03:45 PM ARSENIC REDOX CHEMISTRY OF THERMAL WATERS IN YELLOWSTONE NATIONAL PARK: NORDSTROM, D. Kirk, MCCLESKEY, R. Blaine, and BALL, James W., US Geol Survey, 3215 Marine St, Boulder, CO 80303-1066,
47-04:00 PM DIRECT DETERMINATION OF ARSENIC AND IRON SPECIATION IN SEDIMENTS AND GROUNDWATER USING X-RAY ABSORPTION SPECTROSCOPY: A TIDAL MARSH CASE STUDY: O'DAY, Peggy A., Dept. of Geological Sciences, Arizona State Univ, Tempe, AZ 85287-1404,, VLASSOPOULOS, Dimitrios, S.S. Papadopulos & Associates, Inc, Bethesda, MD 20814, and ROOT, Robert, Geological Sciences, Arizona State Univ, Box 1404, Tempe, AZ 85287-1404
47-04:15 PM INFLUENCE OF NATURAL ORGANIC MATTER ON SORPTION OF ARSENIC OXYANIONS ONTO METAL OXIDES: REDMAN, Aaron D.1, MACALADY, Don L.2, and AHMANN, Dianne1, (1) Environmental Science and Engineering, Colorado School of Mines, 1400 Illinois St, Golden, CO 80401,, (2) Chemistry and Geochemistry, Colorado School of Mines, 1400 Illinois St, Golden, CO 80401
47-04:30 PM ARSENIC TRANSPORT AND FATE IN SULFIDIC ENVIRONMENTS: AS(III) - FES INTERACTIONS: WILKIN, Richard T.1, FORD, Robert G.1, and WALLSCHLAEGER, Dirk2, (1) U.S. Environmental Protection Agency, National Risk Mgnt Rsch Lab, P.O. Box 1198, Ada, OK 74820,, (2) Frontier Geosciences, Inc, Seattle, WA
47-04:45 PM MINERAL CONTRIBUTIONS TO PIT LAKE ARSENIC AT THE JAMESTOWN MINE, CALIFORNIA: SAVAGE, Kaye S., Department of Geology, Vanderbilt Univ, P.O. Box 35-1805, Station B, Nashville, TN 37235,, ASHLEY, Roger, U.S. Geol Survey, 345 Middlefield Road MS 901, Menlo Park, CA 94025, and BIRD, Dennis, Geological and Environmental Sciences, Stanford Univ, Stanford, CA 94305-2115
47-05:00 PM TRANSPORT AND ATTENUATION OF ARSENIC IN AQUIFER SEDIMENT AT THE CAMPBELL MINE, BALMERTOWN, ONTARIO: WALKER, Colin B.1, PTACEK, Carol J.2, MCGREGOR, Rick G.2, BAIN, Jeff G.1, and BLOWES, David W.1, (1) Earth Sciences, Univ of Waterloo, BFG Building, 195 Columbia St. W, Waterloo, ON N2L 3G1, Canada,, (2) National Water Research Institute, Environ Canada, Canadian Centre for Inland Waters, Burlington, ON, Canada
 5:15 PM Panel Discussion

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