From: Long-range transport of mutagens and other air pollutants from mainland East Asia to western Japan
Summer | Autumn | Winter | Spring | |
---|---|---|---|---|
TSP (μg/m3) | 22.1 ± 12.0 | 29.3 ± 8.0 | 22.6 ± 14.3 | 48.4 ± 37.4 |
Fe (ng/m3) | 76.7 ± 66.4 | 145.7 ± 130.8 | 126.8 ± 130.5 | 709.4 ± 844.0 |
Pb (ng/m3) | 8.2 ± 13.9 | 7.3 ± 4.8 | 9.7 ± 8.5 | 15.9 ± 15.2 |
SO4 2− (μg/m3) | 5.03 ± 5.50 | 4.78 ± 2.28 | 4.36 ± 3.47 | 7.38 ± 4.88 |
NO3 − (μg/m3) | 0.45 ± 0.22 | 1.05 ± 0.91 | 1.39 ± 1.07 | 2.49 ± 2.70 |
Total PAHs (ng/m3) | 0.21 ± 0.16 | 0.57 ± 0.38 | 1.05 ± 0.66 | 0.92 ± 0.73 |
Mutagenicity (revertant/m3) | ||||
Without S9 mix | 3.5 ± 1.6 | 9.7 ± 5.8 | 19.6 ± 13.7 | 12.7 ± 12.9 |
With S9 mix | 1.8 ± 1.3 | 7.2 ± 5.2 | 17.5 ± 13.4 | 13.1 ± 18.7 |