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| ng/g |
Location | pH | Cd | Cu | Ni | Pb | Zn |
Ira-Ipaye | 6.14 ± 0.48 | ND | 6790 ± 1673.02 | 4016 ± 1428 | 11,818 ± 1050 | 14,890 ± 3242.92 |
Agboroko | 6.9 ± 0.15 | 1.04 ± 0.77 | 95 ± 48 | 29.38 ± 5.50 | 508.98 ± 248.05 | 691 ± 43 |
Akesan | 6.8 ± 0.17 | ND | 20,310 ± 5021 | 5730 ± 1562.24 | 24,324 ± 6832.63 | 169,110 ± 43,216.29 |