Sample location | Absorbed dose rate (nGyh−1) | Radium equivalent activity (Bqkg−1) | External hazard index | Internal hazard index | Annual effective dose (mSv) |
---|---|---|---|---|---|
P1 | 1121.5 | 336.5 | 0.9 | 1.2 | 1.38 |
P2 | 914.9 | 303.7 | 0.8 | 1.0 | 1.12 |
P3 | 829.0 | 280.2 | 0.8 | 1.0 | 1.02 |
P4 | 1071.2 | 277.4 | 0.7 | 0.9 | 1.31 |
P5 | 929.3 | 340.3 | 0.9 | 1.1 | 1.14 |
P6 | 977.1 | 321.3 | 0.9 | 1.1 | 1.20 |
O7 | 919.3 | 263.3 | 0.7 | 0.9 | 1.13 |
O8 | 469.3 | 136.6 | 0.4 | 0.4 | 0.58 |
S1 | 790.2 | 278.6 | 0.8 | 0.9 | 0.97 |
T1 | 548.3 | 243.1 | 0.7 | 0.8 | 0.67 |
T2 | 477.0 | 245.2 | 0.7 | 0.9 | 0.58 |
T3 | 333.9 | 187.0 | 0.5 | 0.7 | 0.41 |
T4 | 487.0 | 217.3 | 0.6 | 0.8 | 0.06 |
T5 | 513.8 | 178.2 | 0.5 | 0.6 | 0.63 |
Range | 333.9–1121.5 | 136.6–340.3 | 0.4–0.9 | 0.4–1.2 | 0.41–1.38 |
Average ± σ | 741.6 ± 260.1 | 257.8 ± 61.1 | 0.7 ± 0.2 | 0.9 ± 0.2 | 0.91 ± 0.32 |