| Sample no. | NORM Concentration (Bq/g) | |||
| Ra-226 | Ra-228 | Ra-224 | K-40 | |
| 1 | 81 ± 1 | 67 ± 1 | 38± 1 | 11 ± 0.9 |
| 2 | 102 ± 2 | 57 ± 1 | 51± 1 | 10 ± 1 |
| 3 | 108 ± 1 | 91 ± 3 | 48± 1 | 8 ± 1 |
| 4 | 83 ± 2 | 44 ± 1 | 35 ± 2 | 7 ± 0.9 |
| 5 | 67 ± 1 | 60 ± 2 | 55 ± 1 | 6 ± 0.8 |
| 6 | 93 ± 1 | 88 ± 2 | 39 ± 1 | 10 ± 0.8 |
| 7 | 79 ± 3 | 63 ± 1 | 49 ± 1 | 9 ± 0.8 |
| 8 | 99 ± 1 | 72 ± 1 | 60 ± 3 | 5 ± 0.8 |
| 9 | 84 ± 4 | 69 ± 1 | 47 ± 1 | 5 ± 1 |
| 10 | 89 ± 1 | 65 ± 1 | 42 ± 1 | 6 ± 1 |