Biodosimetry of Restoration Workers for The Tokyo Electric Power Company (TEPCO) Fukushima Daiichi Nuclear Power Station Accident

2013/08/29 by Yumiko Suto, Momoki Hirai, Miho Akiyama +5 · 82 citations
Biochemistry, Genetics and Molecular Biology · Chemistry · Engineering · Environmental Science · Medicine · #Biodosimetry #Carcinogens and Genotoxicity Assessment #Dicentric chromosome #Dosimetry #Engineering #Ionizing radiation #Irradiation #Medical emergency #Medical physics #Medicine #Nuclear engineering #Nuclear medicine #Nuclear physics #Nuclear power #Physics #Radioactive contamination and transfer #Radioactive element chemistry and processing #Radiological weapon #Radiology

paper · open access · doi:10.1097/hp.0b013e3182995e42

published in Health Physics 105(4), 366-373 (Lippincott Williams & Wilkins)

openalex publication_date 2013/08/29 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/30

Abstract

The biological dose of nuclear workers engaged in emergency response tasks at Tokyo Electric Power Company (TEPCO) Fukushima Daiichi Nuclear Power Station was estimated in the present study. As the national core center for radiation emergency medical preparedness in Japan, the National Institute of Radiological Sciences (NIRS) received all individuals who were suspected of being overexposed to acute radiation. In the course of health examinations at NIRS, biological dosimetry was performed by the dicentric chromosome assay (DCA). Twelve individuals were examined from 21 March-1 July 2011. The results indicated that the estimated exposure doses for all individuals were lower than 300 mGy, with the mean value of about 101 mGy. These results by DCA were in accordance with those obtained by physical dosimetry based on personal dosimeter recording assessment. The results corroborate the fact that no acute radiation syndrome was observed among the workers examined.

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