Sampling sites | Cu | Zn | Pb | Cd | Ni | Fe |
1 | 34.79 ± 0.19 | 60.83 ± 1.74 | 27.78 ± 1.41 | 1.25 ± 0.04 | 13.11 ± 0.16 | 1.98 ± 0.00 |
2 | 65.39 ± 0.70 | 442.19 ± 4.13 | 29.97 ± 0.36 | 1.24 ± 0.08 | 29.25 ± 0.08 | 2.78 ± 0.04 |
3 | 35.48 ± 0.64 | 256.50 ± 2.40 | 34.22 ± 0.23 | 1.37 ± 0.06 | 26.42 ± 0.24 | 2.14 ± 0.01 |
4 | 12.79 ± 0.57 | 75.38 ± 1.63 | 8.46 ± 0.83 | 0.60 ± 0.05 | 10.09 ± 0.54 | 1.89 ± 0.00 |
5 | 37.64 ± 0.95 | 241.87 ± 0.78 | 53.73 ± 0.18 | 1.65 ± 0.11 | 21.18 ± 0.48 | 3.31 ± 0.09 |
6 | 13.90 ± 0.03 | 117.38 ± 0.99 | 28.28 ± 0.11 | 1.40 ± 0.14 | 11.89 ± 0.29 | 3.67 ± 0.02 |