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

Table 2

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

PAHs	Components
	1	2	3	4	5
Nap	0.912	0.195	0.014	0.158	0.086
Acy	0.884	−0.156	0.093	−0.168	−0.032
Ace	0.921	0.038	0.184	0.198	0.148
Flu	−0.055	0.861	−0.004	−0.073	0.042
Phe	0.154	−0.336	0.589	0.158	0.41
Ant	0.623	−0.038	0.5	−0.057	0.408
Flua	0.907	0.105	0.187	0.122	0.225
Chr	0.173	0.086	0.855	0.128	−0.21
BbF	0.248	0.059	0.296	0.729	−0.155
BkF	0.229	−0.047	−0.077	0.002	0.9
DBA	0.154	0.781	−0.025	0.004	−0.12
BghiP	−0.044	−0.128	−0.022	0.885	0.131
Eigenvalues	4.587	1.777	1.477	1.033	0.866
% variance	38.226	14.809	12.309	8.606	7.216
Cum. percentage	38.226	53.035	65.344	73.95	81.166