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Lead concentration in soil samples (mg/kg).
| Village | N | Median | Mean ± Std. Dev. | Min. | Max. |
|---|---|---|---|---|---|
| Phia Khao | 5 | 1042.39 | 1930.05 ± 1611.11 | 737.18 | 4562.84 |
| Ban Nhuong | 5 | 3093.74 | 2759.80 ± 2375.26 | 80.05 | 6288.74 |
| Hop Tien | 10 | 2390.36 | 5863.11 ± 10010.78 | 110.73 | 33820.62 |
| Keo Nang | 5 | 1059.89 | 877.44 ± 525.64 | 138.88 | 1397.02 |
| Tham Tau | 5 | 261.98 | 587.87 ± 491.66 | 211.45 | 1213.75 |
| Total | 30 | 1214.35 | 2980.23 ± 6092.84 | 80.05 | 33820.62 |
