Polycyclic Aromatic Hydrocarbons in Surface Water from Wuhai and Lingwu Sections of the Yellow River: Concentrations, Sources, and Ecological Risk

Table 3

Rotated component matrix of studied PAHs in the Yellow River (Lingwu section).

PAHs	Components
	1	2	3	4
Nap	0.521	−0.417	0.294	0.623
Acy	0.953	0.038	0.036	0.234
Ace	0.904	−0.026	0.295	−0.144
Flu	0.92	0.193	0.23	−0.038
Phe	−0.436	−0.786	0.191	−0.176
Ant	0.309	−0.247	0.837	−0.222
Flua	0.326	0.753	0.389	0.024
Chr	0.275	0.101	0.829	−0.031
BbF	−0.206	0.916	−0.019	0.046
BkF	−0.036	0.257	−0.166	0.926
BaP	−0.168	0.455	0.599	0.298
Eigenvalues	4.127	2.623	1.67	1.232
% variance	37.521	23.841	15.186	11.202
Cum. percentage	37.521	61.362	76.548	87.75