Evaluation of well yield and groundwater quality changes before and after air surging for well rehabilitation

Kyoochul Ha, KIGAM Korea Institute of Geoscience and Mineral Resources, Daejeon, South Korea, Hyowon An Sr., KIGAM Korea Institute of Geoscience and Mineral Resources, Groundwater Enivironment Research Center, Daejeon, South Korea, Kyung-Seok Ko, Daejeon, South Korea, Sujeong Lee, Korea Institute of Geoscience and Mineral Resources, Daejeon, South Korea, Eunhee Lee, Korea Institute of Geoscience & Mineral Research, Daejeon, Korea, Republic of (South) and Hyoungchan Kim, KIGAM, Daejeon, Korea, Republic of (South)