Element Combination | FA (Mean ± SD) | Dirty air (PM) (Mean ± SD) |
---|---|---|
CHO | 89.1 ± 6.3 | 138.8 ± 8.4 |
CHS | 0 ± 0 | 2.1 ± 0.7 |
CHN | 0 ± 0 | 0 ± 0 |
CHOS | 25.6 ± 3.3 | 28.9 ± 3.6 |
CHNS | 2.2 ± 0.7 | 2.3 ± 0.4 |
CHON | 71.2 ± 9.2 | 83.5 ± 6.9 |
CHONS | 9.4 ± 1.5 | 9.3 ± 2.1 |
Total | 196.8 ± 10.8 | 265.1 ± 13.5 |