1. Graduate School of Environmental Studies, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Japan.
2. Star Mica Co. Ltd., Sendai Branch, Sendai, Japan.
3. Graduate School of Engineering, The University of Tokyo, Tokyo, Japan.
4. Taiheiyo Cement Consultant, Chiba, Japan.
5. Fukushima Branch, National Institute for Environmental Studies, Tsukuba, Japan.