Table 3 The 10 VOCs present in the highest concentration on the hazy day.
From: Phyllostachys edulis forest reduces atmospheric PM2.5 and PAHs on hazy days at suburban area
No. | VOCs | Inside (ÎĽg/m3) | Outside (ÎĽg/m3) | The ratio of inside to outside (%) |
|---|---|---|---|---|
1 | Butane, 2-methyl- | 4.62 ± 0.23 | 9.93 ± 0.88 | 46.53 |
2 | Propane, 2-methoxy-2-methyl- | 11.53 ± 0.98 | 16.84 ± 1.43 | 68.47 |
3 | Acetic acid | 14.58 ± 1.13 | *<0.01 | / |
4 | Toluene | 17.66 ± 1.43 | 31.82 ± 2.99 | 55.50 |
5 | Benzene, 1,3-dimethyl- | 4.84 ± 0.36 | *6.83 ± 0.89 | 70.86 |
6 | Benzaldehyde | 2.75 ± 0.18 | *4.96 ± 0.37 | 55.44 |
7 | Acetophenone | 7.31 ± 0.48 | *5.78 ± 0.44 | 126.47 |
8 | Nonanal | 10.12 ± 0.96 | 11.34 ± 0.87 | 89.24 |
9 | Decanal | 11.35 ± 1.14 | 10.23 ± 1.14 | 110.95 |
10 | Benzoic acid | 10.01 ± 1.22 | *1.52 ± 0.05 | 658.55 |
11 | 1,3-Butadiene, 2-methyl- | *3.72 ± 0.23 | 30.95 ± 2.76 | 12.02 |
12 | Acetone | *<0.01 | 7.95 ± 0.69 | / |
13 | Pentane, 2-methyl- | *1.23 ± 0.08 | 9.51 ± 0.87 | 12.93 |
14 | n-Hexane | *1.81 ± 0.06 | 14.12 ± 1.28 | 12.82 |
15 | Carbon Tetrachloride | *2.72 ± 0.11 | 14.16 ± 1.36 | 19.21 |
| Â | TVOCs | 94.77 | 156.85 | 60.42 |
