Cr

Ni

Cu

Zn

As

Cd

Pb

Range

0.48 - 2.25

1.19 - 3.60

6.75 - 13.2

64 - 112

0.22 - 0.60

0.03 - 0.09

0.18 - 2.25

Mean ± SD

1.01 ± 0.73

2.5 ± 0.81

11.1 ± 2.27

95.3 ± 16.6

0.42 ± 0.14

0.06 ± 0.02

0.87 ± 0.73