Workers whose dose of exposure from the incident to February 2012 exceeded the annual limit*
| Workers | Exposed dose (mSv) | External exposure (mSv) | Internal exposure (mSv) |
|---|---|---|---|
| 1 | 678.08 | 88.08 | 590.00 |
| 2 | 643.07 | 103.07 | 540.00 |
| 3 | 352.08 | 110.27 | 241.80 |
| 4 | 308.93 | 49.23 | 433.10 |
| 5 | 475.50 | 42.40 | 433.10 |
| 6 | 359.29 | 31.39 | 327.90 |
*The annual dose limit was defined as 250 mSv according to the Ordinance on Prevention of Ionising Radiation Hazards in Japan.