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RemTEC Summit

Lloyd Steward
Dr. Mark Widdowson

Professor and Department Head of Civil and Environmental Engineering
Virginia Tech

Dr. Widdowson is the co-author and principal investigator of the solute transport code SEAM3D (Sequential Electron Acceptor Model, 3D Transport) and the decision-support tool NAS (Natural Attenuation Software). His research expertise includes mathematical modeling and experimental studies on the fate and transport of contaminants in soil, sediments and groundwater, including chlorinated solvents (PCE, TCE, vinyl chloride); chlorinated compounds (PCBs); petroleum hydrocarbons (benzene, BTEX, MTBE), coal tar and creosote (PAH compounds); inorganics (nitrate, nitrite); metals (arsenic).

Session # 2 Groundwater Remediation Using Abiotic and Biotic Processes: The Latest Results from the Lab to the Field