GEOCMonday, September 8, 2003

8:00 AM-11:55 AM Javits Convention Center -- 1A25,Oral
Advances in Arsenic Research: Integration of Experimental and Observational Studies and Implications for Mitigation
Occurrence, Cycling, and Natural Attenuation
Presiding:Alexander Van Geen
Organizers:Peggy A. O'Day
Dimitri Vlassopoulos
Liane G. Benning
Xiaoguang Meng
8:00 AM Introductory Remarks
8:05 AM 23The molecular biology and biochemistry of bacterial respiratory arsenate reduction
Chad W. Saltikov, Davin Malasarn, Dianne K. Newman
8:25 AM 24Anaerobic geochemistry and microbiology of arsenic in Holocene alluvial aquifers: Origin of natural contamination and remediation implications
James A. Saunders, Shahnewaz Mohammad, Ming-Kuo Lee, Nic E. Korte
8:45 AM 25Microbial mobilization of arsenic from mine tailings under aerobic conditions
Joyanto Routh, Ambujom Saraswathy
9:05 AM 26Arsenic release coupled with biodegradation of organic compounds in contaminated groundwater plumes
Jamie L. deLemos, Carl Renshaw, Benjamin C. Bostick, Stefan Sturup, Xiahong Feng
9:25 AM 27Natural attenuation as a strategy for managing arsenic-contaminated groundwater
Janet G. Hering
9:45 AM Intermission
9:55 AM 28Natural attenuation of arsenic under fluctuating redox conditions in contaminated estuary sediments
Robert Root, Peggy A. O'Day, Nelson A. Rivera Jr., Dimitri Vlassopoulos
10:15 AM 29A general biogeochemical model for arsenic cycling in shallow aquifers
Peggy A. O'Day, Dimitri Vlassopoulos
10:35 AM 30Speciation and distribution of arsenic in the Mahomet Aquifer, Illinois
Thomas R. Holm, Walton R. Kelly, Steven D. Wilson, George S. Roadcap, Johnathan L. Talbott, John W. Scott
10:55 AM 31Redistribution of arsenic in soils by natural hydrogeologic processes
Kevin A. Doherty, Rudolph Hon
11:15 AM 32Vertical migration and speciation of smelter-ash arsenic in island soils of Puget Sound, Washington
Brett T. Beaulieu, Kaye S. Savage
11:35 AM 33Arsenic geochemical behavior in semiarid soils contaminated by mine processing wastes
Francisco Romero, Margarita Gutiérrez-Ruíz, Pilar Fernández-Lomelín, Mario Villalobos

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Symposium Grid -- Division of Geochemistry -- Session Listing

The 226th ACS National Meeting, New York, NY, September 7-11, 2003