A New Groundwater Sampling Method by Using Transition Pumping Period to Achieve an Ideal Groundwater Sampling Window

Yu He1, Deyi Hou2, Haiying Huang1 and Jian Luo3, (1)Georgia Institute of Technology, Atlanta, United States, (2)Tsinghua University, Beijing, China, (3)Georgia Institute of Technology, Civil and Environmental Engineering, Atlanta, United States