1. 1. Ministry of the Environment, Japan, “Quality of the Environment in Japan”, 1989.
2. 2. H. Ito and M. Morita, Anal. Sci., 1991, 7, 1005.
3. 3. H. Nakazawa, Y. Iwasaki, and R. Ito, Anal. Sci., 2014, 30, 25.
4. 4. Ministry of the Environment, Japan, “Summary of the Report on Decontamination Model Demonstration Project in Warning Area, and Planned Evacuation Area”, http://josen.env.go.jp/material/download/pdf/model004.pdf.
5. 5. T. Okino, Y. Kamiya, M. Kurasaki, S. Tanaka, T. Niioka, M. Morikawa, and M. Fukui, “Science and Technology for Environmental Remediation”, ed. Graduate School of Environmental Science of Hokkaido University, 2007, Hokkaido University Publisher, Sapporo.