@inproceedings{oai:repo.qst.go.jp:00053087,
 author = {湯川, 雅枝 and 西村, 義一 and 渡辺, 嘉人 and 金, 熙善 and 武田, 洋 and 宮本, 霧子 and 府馬, 正一 and 村松, 康行 and 黒田, 典子 and 石榑, 信人 and 曽我, 文宣 and 明石, 真言 and 平間, 敏靖 and 上島, 久正 and 光野, 冬樹 and 湯川 雅枝 and 西村 義一 and 渡辺 嘉人 and 武田 洋 and 宮本 霧子 and 府馬 正一 and 村松 康行 and 黒田 典子 and 石榑 信人 and 曽我 文宣 and 明石 真言 and 平間 敏靖 and 上島 久正 and 光野 冬樹},
 book = {ウラン加工工場臨界事故に対する環境測定・線量推定(放医研環境セミナーシリーズ ; no.28)},
 issue = {NIRS-M-150},
 month = {},
 note = {Abstract: Concentrations of neutron-induced BETA-ray emitters in the hair, blood, urine and bone of three workers severely exposed to neutrons in JOC criticality accident were measured with a low background BETA-ray spectrometer (Pico BETA) and liquid scintillation counter for the purpose of neutron dose estimation.32P is generated by the fast neutron of 2.5MeV and over in sulfur with (n, p) reaction. Since content of sulfur in hair is high as compared with the other human tissues, we tried to estimate fast neutron fluence to the body surface of the victims using concentrations of 32P and stable sulfur in their hair. The result shows that two workers, who were exposed to the higher neutron radiation than another worker, received higher doses of irradiation to the frontal side of their trunks than to the heads.For a more detailed mapping of neutron fluence in the body,the measurements of 32P and 45Ca induced by (n, GAMMA) reaction in bone were carried out. The results show that one worker (worker A) received a higher dose of neutrons at the frontal right side of the trunk, and that the dose decreased with the distance from the central part of the body. The other (worker B) seems to have gotten a higher dose of irradiation in the face, hands and waist. 
High amount of 32P was detected in urine of the workers, and the concentration gradient among three workers showed a similar tendency to the estimated neutron dose from 24Na in blood. Therefore, radioactivity of 32P in urine could be used for estimating the neutron exposure dose. Moreover, the activity can be easily determined by scintillation counting, and urine is less invading bioassay sample that can be collected by non-medical stuffs.},
 pages = {133--139},
 publisher = {放医研},
 title = {生体試料中β放射性核種の測定},
 year = {2001}
}