Metals

Mean ± SD

Range

As

0.40 ± 1.61

6.43

Cd

2.98 ± 4.98

16.84

Cr

19.63 ± 12.43

59.84

Hg

0.32 ± 1.26

5.05

Pb

11.61 ± 6.70

29.70