Internal Radiation Exposure After the Fukushima Nuclear Power Plant Disaster

Tsubokura, Masaharu; Gilmour, Stuart; K, Takahashi; Oikawa, Tomoyoshi; Kanazawa, Yukio

doi:10.1001/jama.2012.9839

Cited by 119 publications

(96 citation statements)

References 4 publications

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“…Tsubokura et al evaluated the 137 Cs body burdens of 1,432 children and 8,066 adults by WBC in Minamisoma City, 23 km from the Fukushima Daiichi Nuclear Power Plant, and reported low-exposure levels in most adults and children tested (22). Values were much lower than those reported in studies years after the Chernobyl accident (49 Bq/kg after 7-10 years).…”

Section: Internal Doses Evaluated By Wbcmentioning

confidence: 98%

Measurements of Individual Radiation Doses in Residents Living Around the Fukushima Nuclear Power Plant

et al. 2013

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Section: Internal Doses Evaluated By Wbcmentioning

confidence: 98%

Measurements of Individual Radiation Doses in Residents Living Around the Fukushima Nuclear Power Plant

et al. 2013

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“…The Fukushima accident also resulted in the release of large amounts of radioactivity, and in exposure of the surrounding population to a combination of irradiation and contamination (Hasegawa et al 2015). Thorough followup studies have been initiated but uncertainties in the estimation of radiation exposure and the fact that this has been quite low (,10 mSv) for most of the exposed persons (excluding the personnel working in the nuclear facility) (Tsubokura et al, 2012) will limit the possible conclusions. In contrast, the RERF studies include a large and representative population sample, rely on a fairly accurate estimation of a single irradiation dose, with a wide range of exposure within the cohort, and have been able to follow in detail this population (as well as its offspring) for more than half a century.…”

Section: What These Results Tell Usmentioning

confidence: 99%

The Hiroshima/Nagasaki Survivor Studies: Discrepancies Between Results and General Perception

Jordan

2016

Genetics

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The explosion of atom bombs over the cities of Hiroshima and Nagasaki in August 1945 resulted in very high casualties, both immediate and delayed but also left a large number of survivors who had been exposed to radiation, at levels that could be fairly precisely ascertained. Extensive follow-up of a large cohort of survivors (120,000) and of their offspring (77,000) was initiated in 1947 and continues to this day. In essence, survivors having received 1 Gy irradiation (1000 mSV) have a significantly elevated rate of cancer (42% increase) but a limited decrease of longevity (1 year), while their offspring show no increased frequency of abnormalities and, so far, no detectable elevation of the mutation rate. Current acceptable exposure levels for the general population and for workers in the nuclear industry have largely been derived from these studies, which have been reported in more than 100 publications. Yet the general public, and indeed most scientists, are unaware of these data: it is widely believed that irradiated survivors suffered a very high cancer burden and dramatically shortened life span, and that their progeny were affected by elevated mutation rates and frequent abnormalities. In this article, I summarize the results and discuss possible reasons for this very striking discrepancy between the facts and general beliefs about this situation.

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“…Tsubokura et al 10) also reported more detailed information for Minami -Soma City residents. Iwaki City reports the number ratio of subjects with cesium -negative to all the subjects 11) .…”

Section: An Overview Of Whole -Body Counting In Fukushima Prefecturementioning

confidence: 99%

An Overview of Internal Dose Estimation Using Whole-Body Counters in Fukushima Prefecture

Miyazaki

Ohtsuru

Ishikawa

2014

FJMS

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: A large amount of radioactive cesium was released by the Fukushima Daiichi Nuclear Power Plant accident following the Great East Japan Earthquake. Due to the increasing concerns about internal exposure, more than 50 whole -body counters (WBCs) have been installed at various locations in Fukushima Prefecture. A study on around 10,000 subjects in the early stage after the accident revealed that very few received a committed effective dose of more than 0.3 mSv for subjects (age >13 years old). Another study on WBC results for one hospital showed that the ratio of cesium -positive was 1.0% among all the subjects. Assuming a constant daily intake, the detection limit of 300 Bq/body for a typical WBC corresponds to an effective dose of 21 μSv/y even for a subject of age up to 10. It was also seen out that the subjects with a significant amount of body cesium are likely to regularly eat wild products, which they harvested or caught themselves without testing for radioactive cesium. These study findings suggested that the internal exposure for most of the residents was controlled at a very low level. Future tasks regarding WBC measurements are how to personally explain the WBC results to each subject and how to disclose the statistically processed WBC data to the general public.

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Internal Radiation Exposure After the Fukushima Nuclear Power Plant Disaster

Cited by 119 publications

References 4 publications

Measurements of Individual Radiation Doses in Residents Living Around the Fukushima Nuclear Power Plant

Measurements of Individual Radiation Doses in Residents Living Around the Fukushima Nuclear Power Plant

The Hiroshima/Nagasaki Survivor Studies: Discrepancies Between Results and General Perception

An Overview of Internal Dose Estimation Using Whole-Body Counters in Fukushima Prefecture

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