Arsenic release and geochemical evolution of groundwater in an alluvial aquitard, West Bengal, India.

Alexander J Desbarats1, Taraknath Pal2, Pradip K Mukherjee2 and Roger Daniel Beckie3, (1)Natural Resources Canada, Ottawa, ON, Canada, (2)Geological Survey of India, Kolkata, India, (3)Univ British Columbia, Vancouver, BC, Canada