Dust Deposition and Associated Heavy Metal Contamination in the Neighborhood of a Cement Production Plant at Konongo, Ghana

Table 6

Principal component analysis of heavy metals in soil samples.

Parameter	Factor 1	Factor 2
Pb	0.966	—
Zn	0.930	0.995
Cu	0.892	0.452
Cd	0.820	0.565
Cr	—	−0.991
% variance	68.783	30.211
% cumulative	68.783	95.995

Bold loadings are statistically significant.