Two Reactive Zones within Riverbank Aquifers Impact the Accumulation of Arsenic within Permeable Natural Reactive Barrier

Peter Knappett1, Kimberly Myers2, Katrina Jewell2, Michelle Berube3, Saugata Datta4, Abrar Hossain5, Alamgir Hosain5, Mehtaz Lipsi5 and Kazi Matin Ahmed6, (1)Texas A&M University College Station, College Station, TX, United States, (2)Texas A&M University, College Station, United States, (3)Kansas State University, Department of Geology, Manhattan, KS, United States, (4)The University of Texas at San Antonio, Department of Earth and Planetary Sciences, San Antonio, United States, (5)University of Dhaka, Dhaka, Bangladesh, (6)Dhaka University, Geology Department, Dhaka, Bangladesh