Research Article
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 |
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