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Togawa, Orihiko; Hokama, Tomonori; Hiraoka, Hirokazu; Saito, Shota
JAEA-Research 2023-011, 78 Pages, 2024/03
When radionuclides are released into the atmospheric environment at a nuclear emergency, protective measures such as evacuation and temporal relocation are carried out using motor vehicles such as private cars and buses to reduce radiation exposure to residents. To confirm conditions of contamination for the evacuated/relocated residents and the used motor vehicles, contamination inspection is conducted in the middle of the route from border areas of Nuclear Emergency Planning Zone to evacuation shelters. In the present inspection in Japan, a value of OIL4 = 40,000 cpm is used as decontamination criteria. For the details and derivation methods of the value, however, no official documents are found which give systematically detailed descriptions and explanation. It is also recognized that even few experts on nuclear emergencies can explain these subjects in detail as a whole. In order to explain scientifically and technically the OIL4 value of decontamination criteria used in contamination inspection in Japan, this report aims at investigating and estimating the deviation methods of OIL4, and examining and considering these results. To achieve the objectives, we show the bases for decontamination criteria, and investigate and estimate the derivation methods for limits of a surface contamination density corresponding to the generic criteria for each exposure pathway. Moreover, we give the OIL4 value some consideration and suggestions from a viewpoint of positioning and feature of OIL4 in Japan, and cautionary points at revising the value.
Yoshino, Ryuji
Nuclear Fusion, 43(12), p.1771 - 1786, 2003/12
Times Cited Count:49 Percentile:79.65(Physics, Fluids & Plasmas)no abstracts in English
ITER Physics Expert Group on Disruptions, Plasma Control, and MHD
Nuclear Fusion, 39(12), p.2251 - 2389, 1999/00
no abstracts in English
Yoshino, Ryuji; Kondoh, Takashi; Neyatani, Yuzuru; Itami, Kiyoshi; Kawano, Yasunori; Isei, Nobuaki
Plasma Physics and Controlled Fusion, 39(2), p.313 - 332, 1997/02
Times Cited Count:99 Percentile:93.13(Physics, Fluids & Plasmas)no abstracts in English
Yoshino, Ryuji; Neyatani, Yuzuru; Isei, Nobuaki; Koide, Yoshihiko; Kawano, Yasunori; A.Tanga*; Campbell, D. J.*; M.F.Johnson*; L.Rossi*
IAEA-CN-60/A5-8, 0, p.685 - 695, 1995/00
no abstracts in English
Yoshino, Ryuji; Neyatani, Yuzuru; Isei, Nobuaki; Matsukawa, Makoto; Hosogane, Nobuyuki
Purazuma, Kaku Yugo Gakkai-Shi, 70(10), p.1081 - 1101, 1994/10
no abstracts in English
Yoshino, Ryuji; Neyatani, Yuzuru; Hosogane, Nobuyuki; S.W.Wolfe*; Matsukawa, Makoto; Ninomiya, Hiromasa
Nuclear Fusion, 33(11), p.1599 - 1612, 1993/00
Times Cited Count:34 Percentile:71.57(Physics, Fluids & Plasmas)no abstracts in English
Kamada, Yutaka; Hosogane, Nobuyuki; Hirayama, Toshio; Tsunematsu, Toshihide
JAERI-M 90-081, 18 Pages, 1990/05
no abstracts in English
Tsunematsu, Toshihide; J.Hogan*; K.Borrass*; F.Engelmann*;
JAERI-M 89-056, 47 Pages, 1989/05
no abstracts in English
Sengoku, Seio;
Journal of Nuclear Materials, 145-147, p.556 - 561, 1987/00
Times Cited Count:36 Percentile:93.76(Materials Science, Multidisciplinary)no abstracts in English
Takeda, Tatsuoki; ; ; ; ; *; ; *; ;
JAERI-M 85-080, 70 Pages, 1985/07
no abstracts in English
; ; ; ; ; *; ; ; ; ; et al.
Journal of Nuclear Materials, 76-77, p.581 - 586, 1978/00
Times Cited Count:26no abstracts in English