1. 1)Report of Japanese Government to the IAEA Ministerial Conference on Nuclear Safety―The Accident at TEPCO’s Fukushima Nuclear Power Stations―(June, 2011).https://japan.kantei.go.jp/kan/topics/201106/iaea_houkokusho_e.html
2. 2)92nd meeting of Secretariat of the Team for Countermeasures for Decommissioning and Contaminated Water Treatment, Document 3-6(July 29, 2021) https://www.tepco.co.jp/decommission/information/committee/roadmap_progress/pdf/2021/d210729_11-j.pdf
3. 3)TEPCO HP, “Treatment of Contaminated Water”https://www.tepco.co.jp/en/hd/decommission/progress/watermanagement/purification/index-e.html
4. 4)TEPCO, Investigations inside primary containment vessels of Unit 1~3 at Fukushima Daiichi nuclear power station(January 12, 2018)https://www.nsr.go.jp/data/000216306.pdf
5. 5)Y. Katsumura,ATOMOΣ, 51[6] pp.490-494(2009).