T value and signifiance

Location

Hg

As

Pb

Cd

Zn

Cu

Cr

Zalivé

13.07***

13.94***

13.78***

23.41***

21.67***

19.61***

−9.45***

Zowla

7.97***

9.16***

9.87***

17.78***

18.3***

14.2***

−10.59***