Table 2. Estimated dose rates and total cumulative doses resulting from the 1 and 8-month exposures of mice with low doses of tritium in drinking water or with external gamma-irradiation.
| Treatment group | Dose rate (μGy/h) | Cumulative dose for 1 month | Cumulative dose for 8 months |
|---|---|---|---|
| (mGy) | (mGy) | ||
| Control | 0 | 0 | 0 |
| HTO 10 kBq/L | 0.015 | 0.009 | 0.083 |
| HTO 1 MBq/L | 1.54 | 0.9 | 8.3 |
| HTO 20 MBq/L | 30.9 | 18.3 | 166 |
| OBT 10 kBq/L | 0.016 | 0.008 | 0.088 |
| OBT 1 MBq/L | 1.66 | 0.97 | 8.95 |
| OBT 20 MBq/L | 33.7 | 21.7 | 181.3 |
| Gamma 1.44 μGy/h | 1.44 | 0.96 | 7.7 |
| Gamma 31 μGy/h | 31.0 | 20.8 | 166 |