Comparison of dissolved and particulate arsenic distributions in shallow aquifers of Chakdaha, India, and Araihazar, Bangladesh

Jerome Métral¹ , Laurent Charlet¹ , Sara Bureau¹ , Sukumar Basu Mallik² , Sudipta Chakraborty³ , Kazi M Ahmed⁴ , MW Rahman⁴ , Zhongqi Cheng⁵ and Alexander van Geen⁵

¹  Environmental Geochemistry Group, LGIT-OSUG, University of Grenoble, BP 53, F-38041 Grenoble, Cedex 9, France

²  Department of Geological Sciences, Jadavpur University, Calcutta, India

³  Department of Chemistry, Kalyani University, West Bengal, India

⁴  Department of Geology, University of Dhaka, Dhaka 1000, Bangladesh

⁵  Lamont-doherty EarthObservatory of Columbia University, Palisades, NY 10964, USA