Atmospheric Volatile Organic Compounds and Ozone Creation Potential in an Urban Center of Southern Nigeria
Table 3
Reactivity and ozone formation potential of the measured VOCs in atmosphere of Benin City.
VOC species
Group
OH reactivity
Prop-equiv.
MIR
OFP
n-Butane
Aliphatic
2.54
0.86
0.03
1.08
0.367
Isopentane
5.6
1.96
0.08
1.36
0.476
2-Methylbutane
2.59
0.96
0.04
1.11
0.411
3-Methylpentane
3.7
0.05
1.7
0.595
Undecane
Benzene
Aromatic
11.2
26.43
1.01
0.55
1.298
Toluene
1.23
2.90
0.11
0.69
1.628
Ethylbenzene
5.96
12.28
0.47
3.88
7.993
m,p-Xylene
7.1
26.70
1.02
2.93
11.02
o-Xylene
19
32.11
1.22
15.21
25.7
Naphthalene
13.7
7.12
0.27
7.44
3.869
Methylene chloride
3.24
0.194
Carbon tetrachloride
0.036
0.006
Chloroform
0
0
Acetone
0.02
0.002
0.35
0.147
corresponds to the reaction rate coefficient (cm3molecule−1s−1) × 10−12 published by Atkinson [15]. OH reactivity: product of mean individual VOC concentration and OH reaction rate coefficient.
