Heavy metals (mg/L)

As

0.004 ± 0.0005

Cd

0.00013 ± 0.0032

Cu

0.00015 ± 0.0006

Hg

0.00093 ± 0.00029

Pb

0.009 ± 0.00039

Se

0.0003 ± 0.00042

Ba

0.0063 ± 0.00052

Zn

0.0002 ± 0.00042