Heavy metals

Station 1

(NBRB)

Station 2

(NGRB)

Station 3

(WMRB)

As

0.0110

0.0007

0.0349

Cd

0.2221

0.2072

0.2050

Cr

1.5864

0.0001

0.0048

Pb

0.2024

0.0967

0.0233

Mn

0.0062

0.0034

0.0074

Cu

0.2904

0.0887

0.0809

Zn

0.0045

0.0037

0.0048