Distributions, Sources, and Backward Trajectories of Atmospheric Polycyclic Aromatic Hydrocarbons at Lake Small Baiyangdian, Northern China

Table 3

Rotated component matrix of PAHs in the gaseous and particulate phases at Lake Small Baiyangdian.

Principal components	1	2	3
Nap	0.275	−0.038	0.896
Acy	0.345	0.443	0.796
Ace	0.379	0.028	0.896
Flo	0.348	0.892	0.242
Phe	0.265	0.963	0.012
Ant	0.165	0.971	0.14
Fla	0.369	0.917	−0.069
Pyr	0.354	0.919	−0.069
Baa	0.77	0.54	0.317
Chr	0.852	0.332	0.352
Bbf	0.915	0.331	0.226
Bkf	0.853	0.338	0.397
Bap	0.923	0.336	0.159
Icdp	0.616	0.411	−0.615
BghiP	0.948	0.205	0.221
Estimated sources	Vehicle	Coal	Wood
Variance (%)	38.86	36.67	21.42