Table 4 The 10 VOCs present in the highest concentration on the sunny 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

Ethyl Acetate

2.83 ± 0.31

3.23 ± 0.34

87.62

2

Benzene

4.02 ± 0.43

6.33 ± 0.76

63.51

3

Propane, 1,2-dichloro-

9.14 ± 0.88

14.01 ± 0.87

65.24

4

Toluene

25.36 ± 1.96

30.46 ± 2.37

83.26

5

Acetic acid, butyl ester

2.21 ± 0.27

2.73 ± 0.26

80.95

6

Formamide, N,N-dimethyl-

1.43 ± 0.09

*<0.01

/

7

Ethylbenzene

4.95 ± 0.32

5.62 ± 0.48

88.08

8

Benzene, 1,3-dimethyl-

5.83 ± 0.67

6.56 ± 0.86

88.87

9

o-Xylene

2.56 ± 0.18

2.95 ± 0.32

86.78

10

Benzaldehyde

2.67 ± 0.24

2.98 ± 0.26

89.60

11

Nonanal

*<0.01

1.53 ± 0.09

/

 

TVOCs

62.53

76.40

81.85

  1. The data marked with * was not in the list of 10 VOCs present in the highest concentration. Inside, at the inside of P. edulis forest land; Outside, at the outside of P. edulis forest land; TVOCs, total concentrations of the 10 VOCs present in the highest concentration.
Back to article page