Sample | Well depth | Ra-226 | Rn-222 | Ra-228 | K-40 |
N | m | Bq/l | Bq/l | Bq/l | Bq/l |
1 W | 646 | 1.4 | 16 | 2.5 | 3.8 |
2 W | 736 | 1.0 | 10.5 | 2.7 | 5.4 |
3 W | 649 | 2.0 | 45 | 4.5 | 4.3 |
4 W | 577 | 2.4 | 32 | 5.0 | 3.5 |
5 W | 737 | 1.4 | 5.3 | 2.0 | 4.9 |
6 W | 612 | 1.7 | 23 | 4.4 | 3.7 |
7 W | 707 | 2.1 | 16 | 4.2 | 5.7 |
8 L | lake | 2.3 | 6.4 | 3.8 | 11.5 |