Press Release
Evaluation of the exposure dose of workers at the Fukushima Daiichi Nuclear Power Station

Apr 27, 2018

TEPCO has been evaluating the exposure dose of workers at the Fukushima Daiichi Nuclear Power Station under two types, internal and external exposure to radiation, and has submitted the evaluation results to the Ministry of Health, Labour and Welfare by the submission deadlines. (Previously announced)
TEPCO today submitted to the Ministry of Health, Labour and Welfare a report on the exposure dose evaluation the data of which are those we collected until the end of March 2018. Here is part of the report: the maximum value of the external exposure dose among the workers who engaged in the work at the power station in March 2018 was 8.44mSv, and regarding the internal exposure dose, no significant value was measured.
The data of the exposure dose evaluation until the end of April 2018 will be reported to the Ministry of Health, Labour and Welfare by the end of May 2018.

Appendices

• Exposure Dose Distribution(136.5 KB)
• Table 9. Exposure Dose Data by Age(91.5 KB)
• Table 10. Monthly Exposure Dose Data(104.7 KB)
• Table 11. Cumulative Exposure Dose Data by Fisical Year(134.2 KB)
• Table 12. Monthly External Exposure Dose Data(102.9 KB)
• Table 13. Monthly Internal Exposure Dose Data(120.4 KB)
• Table 14. Cumulative Exposure Dose Data of Subsequent Month(s) After March 2011(133.6 KB)
• Table 15. Cumulative Data of Equivalent Dose to the Skin by Fisical Year(94.6 KB)
• Table 16. Cumulative Data of Equivalent Dose to the Lens of the Eye by Fisical Year(94.2 KB)