Table 3.

Correlation findings between the measured metals and factors.

Metal	F 1	F 2	F 3	F 4	F 5	F 6	F 7
Fe	0.088	−0.658	−0.391	−0.165	0.173	−0.307	0.369
Mn	0.468	−0.301	−0.602	0.403	0.122	−0.067	−0.170
Al	−0.222	−0.670	0.465	0.026	−0.123	0.121	0.299
Cd	0.019	0.034	−0.136	−0.133	−0.884	−0.281	0.186
Cr	−0.176	0.087	0.342	0.745	−0.205	−0.267	−0.061
Cu	−0.619	−0.058	−0.310	0.247	0.109	−0.460	−0.128
Ni	−0.401	0.026	−0.588	−0.208	−0.342	0.287	−0.231
Pb	−0.142	−0.461	0.351	−0.407	0.008	−0.295	−0.594
V	0.695	−0.358	0.084	0.193	−0.312	0.153	−0.264
Zn	−0.522	−0.427	−0.088	0.302	−0.055	0.525	−0.049