1. Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST)
2. Asano Taisei Kiso Engineering Co., Ltd.
3. Graduate School of Life and Environmental Sciences, University of Tsukuba
4. Center for Environmental Measurement and Analysis, National Institute for Environmental Studies (NIES)
5. Research Institute of Green Science and Technology, Shizuoka University
6. Faculty of Life and Environmental Sciences, University of Tsukuba