TABLE 1.
Size and Dose Estimates for the Main Population Groups Exposed from Chernobyl
| Population group | Size | Average whole-body dose (mGy) |
Average thyroid dose (mGy) |
|---|---|---|---|
| Emergency operation workers | 1,000 | Not available | Not available |
| Workers with acute radiation sickness (ARS) | 134 | 800–16,000 | |
| Recovery operation workers | 530,000 | 120 | 200a |
| Residents of contaminated areas who evacuated | 115,000 | 31 | 490 |
| Children (0–6 years old) | ~31 | 1,500 | |
| Adults | ~31 | 350 | |
| Residents of contaminated areas who were not evacuated | 6.4 million | 9 | 100 |
| Residents of contaminated areas of strict radiation control (3) | 216,000 | 61 | Not available |
a
From external and internal exposure.