Table 5.

Correlation Matrix Between Metal Concentrations in theUntreated Group (UW)

Metals	As	Cd	Cr	Cu	Ni	Pb
As	1
Cd	0.116	1
Cr	0.580*	0.032	1
Cu	0.827**	0.223	0.2354	1
Ni	0.182	0.994**	0.1164	0.2672	1
Pb	−0.030	0.988**	−0.0502	0.1085	0.974**	1

^*Correlation is significant at 0.05 level (two-tailed)

^** Correlation is significant at 0.01 level (two-tailed)