Accumulation and Risk of Naturally Occurring Radioactive Materials (NORMs)in the Filters Used in Bottled Mineral-Water Facilities

Sungwook Choung, KBSI Korea Basic Science Institute, Division of Earth and Environmental Sciences, Seoul, Korea, Republic of (South), Woosik Shin, KBSI, Cheonjgu, South Korea, Jeong-Hee Han, KBSI Korea Basic Science Institute, Chungbuk, Korea, Republic of (South) and Byung-Uck Chang, KINS Korea Institute of Nuclear Safety, Daejeon, Korea, Republic of (South)