1 Center for Computational Science & e-Systems, Japan Atomic Energy Agency, 178-4-4 Wakashiba, Kashiwa, Chiba, 277-0871, Japan. Electronic address: malins.alex@jaea.go.jp.
2 Center for Computational Science & e-Systems, Japan Atomic Energy Agency, 178-4-4 Wakashiba, Kashiwa, Chiba, 277-0871, Japan.
3 Fukushima Environmental Safety Center, Sector of Fukushima Research and Development, Japan Atomic Energy Agency, 2-2-2, Uchisaiwai-cho, Chiyoda, Tokyo, 100-8577, Japan.
A comment on the recent Journal of Environmental Radioactivity article titled 'Update of (40)K and (226)Ra and (232)Th series γ-to-dose conversion factors for soil'.