Samples | Specific Activity (Bq/l) | |||
137Cs | 40K | 214Pb | 212Pb | |
1 | - | ≤4.46 | ≤0.22 | - |
2 | 0.28 ± 0.07 | ≤5.51 | ≤0.19 | ≤0.2 |
3 | - | - | ≤0.14 | - |
4 | 0.15 ± 0.07 | - | - | ≤0.04 |
5 | 0.12 ± 0.07 | ≤3.58 | - | ≤0.15 |
Average | 0.18 ± 0.07 | ≤4.51 | ≤0.18 | ≤0.13 |