Metals | Mean ± SD | Range |
As | 0.40 ± 1.61 | 6.43 |
Cd | 2.98 ± 4.98 | 16.84 |
Cr | 19.63 ± 12.43 | 59.84 |
Hg | 0.32 ± 1.26 | 5.05 |
Pb | 11.61 ± 6.70 | 29.70 |