ng/g

Location

pH

Cd

Cu

Ni

Pb

Zn

Ira-Ipaye

5.47 ± 0.52

1662 ± 514.99

5760 ± 2900.28

640 ± 293

14,444 ± 6763

22,732 ± 23,806

Agboroko

6.4 ± 0.38

ND

6935 ± 4584

ND

21,540 ± 8026.43

4761.8 ± 2175.6

Akesan

5.38 ± 0.22

3388 ± 170.69

8340 ± 724.51

1500 ± 142.83

20,996 ± 3417

20,878 ± 2795