Table 6.

The contribution of the PCs to HI in the wharf was calculated by multiplying the heavy metal contribution of the PCs in Table 2, the source apportionment in Table 3, and the heavy metal contribution (%) to the HI provided in Table 4, divided by 10³. Note that PCs 3 and 5 have negligible contributions.

Heavy metals	PC1	PC2	PC4
As	8.48		0.39
Ba
Cd	0.02
Co	0.03
Cr	4.88	0.01	0.71
Cu	0.11
Hg	54.19		0.07
Mn	0.11
Ni	0.20		0.01
Pb	0.29		0.05
Sb	3.80		0.15
V			0.06
Zn	0.01
Total	72.11	0.01	1.44	73.55
Final Contribution	98.03	0.02	1.95	100