Calculation of the indicative dose
14. Where the following formula is satisfied, it can be assumed that the indicative dose is less than the parametric value of 0,1 mSv and no further investigation is required—
Derived concentrations for radioactivity in water intended for human consumption (1)
Origin | Nuclide | Derived concentration |
|---|---|---|
(1) This table allows only for the radiological properties of uranium, not for its chemical toxicity. | ||
| Natural | U-2383 | 3,0 Bq/l |
| U-2343 | 2,8 Bq/l | |
| Ra-226 | 0,5 Bq/l | |
| Ra-228 | 0,2 Bq/l | |
| Pb-210 | 0,2 Bq/l | |
| Po-210 | 0,1 Bq/l | |
| Artificial | C-14 | 240 Bq/l |
| Sr-90 | 4,9 Bq/l | |
| Pu-239/Pu-240 | 0,6 Bq/l | |
| Am-241 | 0,7 Bq/l | |
| Co-60 | 40 Bq/l | |
| Cs-134 | 7,2 Bq/l | |
| Cs-137 | 11 Bq/l | |
| 1-131 | 6,2 Bq/l | |