1. 1. IAEA, Fukushima Daiichi Status Report, 2012, 28 June 2012.
2. 2. M. Osako, H. Kuramochi, and H. Sakanakura, J. Jpn. Waste Manage. Assoc., 2012, 65, 23.
3. 3. Y. Kumamoto, M. Aoyama, Y. Hamajima, S. Nishino, A. Murata, and T. Kikuchi, Appl. Radiat. Isot., 2017, 126, 88.
4. 4. K. Oshita, H. Aoki, S. Fukutani, K. Shiota, T. Fujimori, and M. Takaoka, J. Environ. Radioact., 2015, 143, 1.
5. 5. Analytical Results of Radioactive Cesium in Ash Sampled at Waste Incineration Facility, Compilation prepared by Ministry of Environment, Government of Japan, https://www.env.go.jp/jishin/attach/waste-radioCs-16pref-result20110829.pdf.