Location

Cd

Cu

Ni

Pb

Zn

Ira-Ipaye

-

22.2 × 10−5 ± 32.3 × 10−5

(24.5 × 10−5 ± 35.7 × 10−5)

-

38.9 × 10−5 ± 77.8 × 10−5

(42.9 × 10−5 ± 85.8 × 10−5)

646 × 10−5 ± 598 × 10−5

(728 × 10−5 ± 642 × 10−5)

Agboroko

0.005 × 10−5 ± 0.009 × 10−5

(0.006 ×10−5 ± 0.001 × 10−5)

1.28 × 10−5 ± 0.82 × 10−5

(1.41 × 10−5 ± 0.9 × 10−5)

0.04 ×10−5 ± 0.09 × 10−5

(0.04 × 10−5 ± 0.03 × 10−5)

0.04 × 10−5 ± 0.06 × 10−5

(0.05 × 10−5 ± 0.06 × 10−5)

2.39 × 10−5 ± 3.11 × 10−5

(2.63 × 10−5 ± 3.43 × 10−5)

Akesan

-

150 × 10−5 ± 62 × 10−5

(165 × 10−5 ± 69 × 10−5)

-

-

861 × 10−5 ± 314 × 10−5

(948 × 10−5 ± 379 × 10−5)