Table 3.

Correlation coefficient (r value) between PTE concentrations in “Tailings” and soil samples (N = 100). *significant at 95% based on two-tailed student’s t test, **significant at 99%

	Al	As	Cd	Co	Cr	Cu	Fe	Hg	Mn	Mo	Ni	Pb	Sb	V	Zn
Al	1
As	−0.175	1
Cd	0.357**	−0.191	1
Co	0.004	0.557**	−.376**	1
Cr	0.810**	−0.321**	0.413**	−0.16	1
Cu	−0.075	0.630**	−0.167	0.871**	−0.299**	1
Fe	0.001	0.598**	−0.310**	0.955**	−0.205*	0.904**	1
Hg	0.023	−0.085	0.154	−0.078	0.068	0.019	−0.021	1
Mn	0.498**	0.219*	0.648**	−0.383**	0.613**	−0.312**	−0.347**	0.188	1
Mo	−0.019	0.349**	−0.118	0.641**	−0.173	0.723**	0.656**	0.077	−0.304**	1
Ni	0.196	0.316**	−0.043	0.509**	0.303**	0.446**	0.423**	0.024	0.098	0.452**	1
Pb	0.271**	−0.202	0.738**	−0.378**	0.432**	−0.213*	−0.294**	0.284**	0.626**	−0.162	−0.091	1
Sb	0.029	0.115	0.521**	−0.092	0.009	0.126	0.036	0.256*	0.147	0.201*	0.039	0.463**	1
V	0.236*	0.425**	−0.182	0.742**	0.099	0.680**	0.760**	0.008	−0.250*	0.534**	0.395**	−0.206*	−0.005	1
Zn	0.439**	−0.174	0.630**	−0.165	0.492**	−0.052	−0.121	0.123	0.561**	0.052	0.08	0.711**	0.301**	−0.037	1