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Urushidate, Tadayuki*; Yoda, Tomoyuki; Otani, Shuichi*; Yamaguchi, Toshio*; Kunii, Nobuaki*; Kuriki, Kazuki*; Fujiwara, Kenso; Niizato, Tadafumi; Kitamura, Akihiro; Iijima, Kazuki
JAEA-Review 2022-023, 8 Pages, 2022/09
JAEA-Review-2022-023.pdf:1.19MB
After the accident of the Fukushima Daiichi Nuclear Power Station, the Japan Atomic Energy Agency has newly set up a laboratory in Fukushima and started measuring radioactivity concentrations of environmental samples. In October 2015, Fukushima Radiation Measurement Group has been accredited the ISO/IEC 17025 standard by the Japan Accreditation Board (JAB) as a testing laboratory for radioactivity analysis (
Cs, 
Cs) based on Gamma-ray spectrometry with germanium semiconductor detectors. The laboratory has measured approximately 60,000 of various environmental samples at the end of March 2022. The laboratory quality control and measurement techniques have been accredited by regular surveillance of JAB. In September 2019, the laboratory renewed accreditation as a testing laboratory for radioactivity analysis.
rays and the exposure dosesSaito, Kimiaki; Endo, Akira
Radioisotopes, 63(12), p.585 - 602, 2014/12
The article provides the fundamental information necessary for the appropriate evaluation of exposure doses in the environment. The basic characteristics of environmental rays from typical environmental sources are introduced; then, the dose conversion coeffcients for the public at different ages are summarized which were obtained from the simulation considering the basic characteristics of environmental rays. Further, the variations of environmental exposure doses due to a variety of factors, and the relation of exposure doses to measured air dose rates are discussed.
Saito, Kimiaki; N.Petoussi*; Zankl, M.*
Health Physics, 74(6), p.698 - 706, 1998/06
Times Cited Count：49 Percentile：94.72(Environmental Sciences)no abstracts in English
; ; Kitao, Kensuke*
JAERI-Data/Code 98-008, 73 Pages, 1998/03
JAERI-Data-Code-98-008.pdf:26.34MB
no abstracts in English
Saito, Kimiaki; N.Petoussi*; Zankl, M.*; R.Veit*; P.Jacob*; G.Drexler*
Journal of Nuclear Science and Technology, 28(7), p.627 - 641, 1991/07
no abstracts in English
Saito, Kimiaki; Nagaoka, Toshi; Sakamoto, Ryuichi; Tsutsumi, Masahiro; Moriuchi, Shigeru;
JAERI-M 90-188, 40 Pages, 1990/11
no abstracts in English
-ray Measurement; ;
JAERI-M 84-003, 30 Pages, 1984/02
no abstracts in English
Ji, Y.-Y.*; Mikami, Satoshi; Hong, B. S.*; Sanada, Yukihisa; Jang, M.*; Ochi, Kotaro; Nakama, Shigeo
no journal, ,
