Sampling | Mn (µg/g) | Pb (µg/g) | Cd (µg/g) | As (µg/g) |
points |
|
|
|
|
|
| February 2018 |
|
|
M1 | 2.19 ± 0.44 | 1.78 ± 0.52 | 1.22 ± 0.15 | 4.22 ± 0.32 |
M2 | 1.52 ± 0.21 | 2.28 ± 0.77 | 1.98 ± 0.04 | 3.22 ± 0.26 |
M3 | 4.28 ± 0.39 | 2.29 ± 0.52 | 1.87 ± 0.22 | 8.22 ± 0.38 |
M4 | 5.92 ± 0.49 | 5.43 ± 0.13 | 7.06 ± 0.18 | 11.22 ± 0.78 |
|
| October 2018 |
|
|
M1 | 2.02 ± 0.56 | 0.91 ± 0.33 | 1.01 ± 0.14 | 3.60 ± 0.29 |
M2 | 1.24 ± 0.32 | 1.10 ± 0.61 | 1.20 ± 0.21 | 2.85 ± 0.22 |
M3 | 3.58± 0.79 | 1.24 ± 0.34 | 1.31 ± 0.17 | 7.34 ± 0.43 |
M4 | 5.22 ± 0.87 | 2.52 ± 0.45 | 6.86 ± 0.26 | 10.23 ± 0.7 |