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2. 2) Nuclear Safety Commission in Japan; Genshiroshisetu ni okeru kuriaransu reberu kennin no arikata ni tsuite [How to Validate Clearance Levels for Nuclear Reactor Facilities] (2001) (in Japanese).
3. 3) Y. ANAZAWA, Y. YOSHIDA and K. MINAMI; Radiation monitoring of workplace (Iv), monitoring of surface contamination, RADIOISOTOPES, 26 (4) (1977) (in Japanese). Available at: https://www.jstage.jst.go.jp/article/radioisotopes1952/26/4/26_4_276/_article/-char/ja/, Accessed 22 May 2023.
4. 4) Y. IKEZAWA; Hyoumenosengendochi ni tsuite [Surface density limits] Available at: https://www.mhlw.go.jp/stf/houdou/2r9852000002v852-att/2r9852000002v8fh.pdf, Accessed 22 May 2023 (in Japanese).
5. 5) Radiation Protection Standardization Committee, Japan Health Physics Society; (Kaisetsu) Keikakuhibakjokyo ni okeru osen shita mono no hansyutsu no tameno gaidorain [(Commentary) Guidelines for Removal of Contaminated Objects in Planned Exposure Situations] (in Japanese). Available at: http://www.jhps.or.jp/upimg/files/keikakuhibaku_commentary.pdf, Accessed 22 May 2023.