| Sample code | Depth (cm) | 226Ra (Bq/kg) dry weight Ref. [4] | Exposure dose rate nGy·h−1 | |
| Ref. [4] | This work | |||
| Location 1 | ||||
| A1 | 0 - 5 | 431.0 | 184.0 | 65.6 |
| B1 | 5 - 10 | 785.0 | 335.3 | 35.7 |
| C1 | 10 - 15 | 867.0 | 370.3 | 17.4 |
| D1 | 15 - 20 | 1075.0 | 459.0 | 10.7 |
| E1 | 20 - 25 | 1212.0 | 517.1 | 6.4 |
| F1 | 25 - 30 | 1705.0 | 728.0 | 5.1 |
| G1 | 30 - 35 | 2538.1 | 1083.7 | 4.3 |
| H1 | 35 - 40 | 2267.0 | 968.0 | 2.3 |
| Total | 4645.4 | 147.5 | ||
| Location 2 | ||||
| A2 | 0 - 5 | 991.0 | 423.1 | 180.2 |
| B2 | 5 - 10 | 2362.0 | 1008.5 | 124.4 |
| C2 | 10 - 15 | 3269.0 | 1395.7 | 74.8 |
| D2 | 15 - 20 | 3053.0 | 1303.7 | 34.1 |
| E2 | 20 - 25 | 2054.0 | 876.9 | 12.0 |
| F2 | 25 - 30 | 1619.0 | 691.1 | 5.2 |
| Total | 5699 | 430.7 | ||