| Sample No. | Sample Code | Radon Concentration (Bq∙m−3) | |
| Mean | Uncertainty | ||
| 1 | P1 | 410.70 | 111.74 |
| 2 | P2 | 306.73 | 116.18 |
| 3 | P3 | 153.00* | 42.85 |
| 4 | P4 | 416.50* | 139.48 |
| 5 | P5 | 68.08 | 39.22 |
| 6 | P6 | 136.16* | 46.11 |
| 7 | P7 | 112.85* | 40.71 |
| 8 | P8 | 163.05* | 24.01 |
| 9 | P9 | 187.96 | 142.64 |
| 10 | P10 | 206.83* | 83.50 |
| 11 | P11 | 187.96* | 40.67 |
| 12 | P12 | 421.80 | 421.80 |
| 13 | P13 | 94.17* | 28.72 |
| 14 | P14 | 112.85* | 37.57 |