Variable Effects of Organic Matters on Arsenic Behavior in the Vadose Zone with Different Bulk Densities

Huynh Huu Tho Tran1, Sang Huyn Kim2, Jaeshik Chung2 and Seunghak Lee2, (1)Korea University of Science and Technology (UST), KIST School, Seoul, South Korea, (2)Korea Institute of Science and Technology (KIST), Water Cycle Research Center, Seoul, South Korea