Table 1.
Concentrations of 15 PAHs in deposition samples in the spring, summer, fall and winter, respectively (µg/g).
| Spring (n =37) | Summer (n = 39) | Fall (n = 38) | Winter (n = 39) | Annually Average (n = 40) | |
|---|---|---|---|---|---|
| ACE | 0.01 ± 0.01 | 0.02 ± 0.01 | 0.02 ± 0.01 | 0.02 ± 0.01 | 0.02 ± 0.01 |
| ACY | 0.01 ± 0.01 | 0.05 ± 0.05 | 0.05 ± 0.03 | 0.08 ± 0.01 | 0.05 ± 0.04 |
| FLO | 0.06 ± 0.04 | 0.16 ± 0.10 | 0.18 ± 0.12 | 0.46 ± 0.47 | 0.22 ± 0.15 |
| PHE | 0.55 ± 0.39 | 1.18 ± 0.72 | 2.12 ± 1.26 | 9.43 ± 6.93 | 3.33 ± 2.00 |
| ANT | 0.05 ± 0.03 | 0.15 ± 0.10 | 0.19 ± 0.09 | 0.56 ± 0.39 | 0.24 ± 0.13 |
| FLA | 0.40 ± 0.27 | 1.38 ± 0.93 | 2.89 ± 1.49 | 4.81 ± 4.19 | 2.38 ± 1.35 |
| PYR | 0.24 ± 0.14 | 0.76 ± 0.48 | 1.73 ± 0.76 | 2.65 ± 2.16 | 1.35 ± 0.72 |
| BaA | 0.14 ± 0.11 | 0.38 ± 0.26 | 0.57 ± 0.43 | 0.51 ± 0.30 | 0.40 ± 0.17 |
| CHR | 0.40 ± 0.18 | 0.88 ± 0.44 | 1.49 ± 0.89 | 1.28 ± 0.59 | 1.02 ± 0.33 |
| BbF | 0.37 ± 0.17 | 1.17 ± 0.59 | 1.97 ± 1.35 | 1.37 ± 0.61 | 1.22 ± 0.42 |
| BkF | 0.12 ± 0.05 | 0.40 ± 0.19 | 0.46 ± 0.30 | 0.31 ± 0.16 | 0.32 ± 0.10 |
| BaP | 0.13 ± 0.08 | 0.27 ± 0.16 | 0.68 ± 0.67 | 0.38 ± 0.22 | 0.37 ± 0.20 |
| DahA | 0.06 ± 0.06 | 0.10 ± 0.05 | 0.10 ± 0.09 | 0.08 ± 0.04 | 0.08 ± 0.04 |
| IcdP | 0.10 ± 0.08 | 0.69 ± 0.35 | 0.79 ± 0.65 | 0.43 ± 0.31 | 0.50 ± 0.21 |
| BghiP | 0.10 ± 0.05 | 0.42 ± 0.22 | 0.51 ± 0.39 | 0.27 ± 0.17 | 0.32 ± 0.13 |
| ∑PAH15 | 2.73 ± 1.37 | 8.00 ± 4.35 | 13.74 ± 6.75 | 22.63 ± 13.66 | 11.81 ± 4.61 |