Comparison of Volatile Organic Compound Concentrations in Ambient Air among Different Source Areas around Khon Kaen, Thailand
Abstract
:1. Introduction
2. Materials and Methods
2.1. Monitoring Sites
2.2. Air Sampling and Analysis
2.3. Data Analysis and Quality Control
3. Results and Discussion
3.1. VOC Concentrations in Ambient Air
3.2. Selected Country of Comparison with Other Studies Performed in Asia
3.3. Comparison with Other Studies Performed in Other Continents
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Continent | Country | Sampling Site | Ambient Collection Methods | Techniques of VOC Analyzer Used | Number of Measured VOC | Reference |
---|---|---|---|---|---|---|
Asia | Malaysia | Urban | Tedlar air sampling bags with an air pump | GC-MS | 17 | [24] |
Beijing, China | Urban | - | Airmo VOC online analyzer (GC-866) | 59 | [26] | |
Hangzhou, China | Urban | Silica SUMMA canisters | GC-MS | 107 | [27] | |
Dezhou, China | Rural | Stainless steel canisters | GC-MSD/FID | 58 | [28] | |
Tokyo | Urban | Fused-silica-lined canister | GC-MS | 18 | [29] | |
Khon Kaen, Thailand | Urban + Rural | Passive canister sampler | GC-FID | 19 | This study | |
Europe | London, UK | Urban | - | GC-MS | 54 | [30] |
North America | Los Angeles, USA | Urban | - | PTR-MS, GC-MS | 26 | [31] |
Pollutant | Khon Kaen Monitoring Station | Urban Market | Rural Industrial | Rural Power Generation |
---|---|---|---|---|
Acetaldehyde | NM | 12.30 | 7.79 | 11.07 |
Acrylonitrile | ND | <0.22 | <0.22 | ND |
Benzene | 1.2 | 2.75 | 1.85 | 1.73 |
Benzyl chloride | ND | ND | ND | ND |
1,3- Butadiene | ND | 0.40 | 0.18 | 0.18 |
Bromomethane | ND | 0.54 | 0.47 | 0.54 |
Carbon tetrachloride | 0.19 | <0.31 | <0.31 | <0.31 |
Chloroform | 0.05 | <0.24 | <0.24 | ND |
1,2-Dibromoethane | ND | ND | ND | ND |
1,4-Dichlorobenzene | ND | ND | ND | ND |
1,2-Dichloroethane | 0.22 | 0.24 | 0.24 | 0.24 |
Dichloromethane | 1.10 | 0.49 | 0.49 | 0.42 |
1,2-Dichloropropane | ND | 0.28 | 0.46 | <0.23 |
1,4-Dioxane | NM | ND | <0.36 | ND |
2-Propenal/acrolein | NM | 1.15 | 0.82 | 0.69 |
Tetrachloroethylene | ND | ND | ND | ND |
1,1,2,2-Tetrachloroethane | ND | ND | ND | ND |
Trichloroethylene | ND | ND | ND | ND |
Vinyl chloride | ND | <0.13 | <0.13 | ND |
Pollutant | 24 h Average Standard (μg/m3) | 1-Year Average Standard (μg/m3) | Exceeded 1 |
---|---|---|---|
Acetaldehyde | 860 | n/a | |
Acrylonitrile | 10 | n/a | |
Benzene | 7.6 | 1.7 | * |
Benzyl chloride | 12 | n/a | |
1,3-Butadiene | 5.3 | 0.33 | * |
Bromomethane | 190 | n/a | |
Carbon tetrachloride | 150 | n/a | |
Chloroform | 57 | 0.43 | |
1,2-Dibromoethane | 370 | n/a | |
1,4-Dichlorobenzene | 1100 | n/a | |
1,2-Dichloroethane | 48 | 0.4 | |
Dichloromethane | 210 | 22 | |
1,2-Dichloropropane | 82 | 4 | |
1,4-Dioxane | 860 | n/a | |
2-Propenal/acrolein | 0.55 | n/a | ** |
Tetrachloroethylene | 400 | 200 | |
1,1,2,2-Tetrachloroethane | 83 | n/a | |
Trichloroethylene | 130 | 23 | |
Vinyl chloride | 20 | 10 |
Kuala Lumpur, Malaysia [24] | 24-h Average (ppbv) a | Beijing, China [26] | 24-h Average (μg/m3) b | Bangkok, Thailand [37] | 24-h Average (μg/m3) c | Yokohama, Japan [43] | 24-h Average (μg/m3) d |
---|---|---|---|---|---|---|---|
Methylene chloride | 295 ± 267 | Acetylene | 3.91 ± 2.65 | Benzene | 8.8 c/3.9 d | Benzene | 2.1 ± 2.7 I/0.7 ± 0.6 C |
1,2,4-Trimethylbenzene | 169 ± 103 | Benzene | 4.18 ± 2.17 | 1,3-Butadiene | 0.51 c/0.17 d | Toluene | 5.2 ± 5.7 I/2.2 ± 1.4 C |
Toluene | 153 ± 83.2 | Toluene | 3.17 ± 2.62 | Chloroform | 0.16 c/0.15 d | Ethylbenzene | 2.9 ± 3.7 I/0.5 ± 0.3 C |
Methyl methacrylate | 96.5 ± 69.0 | Ethylbenzene | 0.56 ± 0.54 | Dichloromethane | 1.4 c/2.6 d | m,p-Xylene | 2.1 ± 2.3 I/0.6 ± 0.4 C |
2-Butanone | 91.5 ± 71.1 | m-Xylene + p-Xylene | 0.59 ± 0.45 | 1,2-Dichloroethane | 0.04 c/0.05 d | o-Xylene | 0.7 ± 0.5 I/0.3 ± 0.2 C |
Allyl chloride | 74.3 ± 134 | Styrene | 0.62 ± 0.60 | 1,2-Dichloropropane | 0.21 c/0.16 d | m-Ethyltoluene | 0.2 ± 0.1 I/0.2 ± 0.1 C |
n-Butylbenzene | 54.6 ± 82.9 | o-Xylene | 0.01 ± 0.02 | Tetrachloroethylene | 0.25 c/0.18 d | p-Ethyltoluene | 0.2 ± 0.1 I/0.2 ± 0.1 C |
Styrene | 51.8 ± 57.6 | i-Propylbenzene | 0.01 ± 0.01 | Trichloroethylene | 0.37 c/0.41 d | o-ethyltoluene | 0.1 ± 0.1 I/0.1 ± 0.1 C |
p-Xylene | 49.4 ± 29.0 | n-Propylbenzene | 0.34 ± 0.30 | Vinyl chloride | 0.41 c/0.18 d | 1,3,5-Trimethylbenzene | 0.1 ± 0.1 I/0.1 ± 0.1 C |
1,3-Dichlorobenzene | 40.5 ± 53.4 | m-Ethyltoluene | 0.04 ± 0.05 | 1,2,4-Trimethylbenzene | 0.3 ± 0.3 I/0.3 ± 0.2 C | ||
Ethylbenzene | 39.8 ± 39.3 | p-Ethyltoluene | 0.09 ± 0.13 | Trichloroethylene | 0.1 ± 0.1 I/0.1 ± 0.1 C | ||
n-Propylbenzene | 29.6 ± 38.9 | 1,3,5-Trimethylbenzene | 0.01 ± 0.02 | Tetrachloroethylene | 0.1 ± 0.02 I/0.04 ± 0.03 C | ||
Benzene | 21.0 ± 15.3 | o-ethyltoluene | 0.11 ± 0.12 | p-Dichlorobenzene | 0.1 ± 0.1 I/0.1 ± 0.1 C | ||
1-Chloro-2-methylbenzene | 20.3 ± 32.2 | 1,2,4-Trimethylbenzene | 0.38 ± 0.34 | ||||
1,4-Dichlorobenzene | 19.0 ± 41.4 | 1,2,3-Trimethylbenzene | 0.08 ± 0.05 | ||||
2-Chlorotoluene | 5.1 ± 10.0 | m-Diethylbenzene | 0.02 ± 0.05 | ||||
sec-Butylbenzene | 3.2 ± 3.3 | p-Diethylbenzene Naphtalene | 0.03 ± 0.05 0.00 ± 0.00 |
Rome, Italy [45] | Average (μg/m3) a | Cyprus [50] | 24 h Average (μg/m3) b | Spain [32] | 24 h Average (μg/m3) c |
---|---|---|---|---|---|
Benzene | 3.29 ± 1.61 | Ethane | 3.05 | Benzene | 1.33 ± 0.38 s/1.82 ± 1.59 w |
Toluene | 10.58 ± 8.58 | Ethylene | 0.35 | Toluene | 8.74 ± 3.20 s/12.02 ± 2.73 w |
Ethyl benzene | 0.43 ± 0.37 | Propane | 2.20 | Tetrachloroethene | 0.43 ± 0.21 s/0.45 ± 0.16 w |
m,p-Xylene | 6.03 ± 5.04 | Propene | 0.19 | Ethylbenzene | 1.30 ± 0.44 s/1.69 ± 0.50 w |
o-Xylene | 0.56 ± 0.49 | i-Butane | 0.32 | m,p-Xylene | 2.47 ± 0.95 s/2.65 ± 0.64 w |
1,3,5-Trimethylbenzene | 0.44 ± 0.41 | n-Butane | 0.54 | o-Xylene | 1.71 ± 0.60 s/1.52 ± 0.29 w |
1,2,4-Trimethylbenzene | 0.25 ± 0.22 | Acetylene | 0.71 | i-Propylbenzene | 0.19 ± 0.05 s/1.01 ± 0.93 w |
i-Pentane | 0.25 | Bromobenzene | 10.96 ± 2.68 s/1.91 ± 2.15 w | ||
n-Pentane | 0.21 | Propylbenzene | 0.23 ± 0.07 s/0.73 ± 0.35 w | ||
Benzene | 0.37 | 1,3,5-Trimethylbenzene | 1.67 ± 0.25 s/1.04 ± 0.54 w | ||
Toluene | 0.19 | Naphtalene | 0.18 ± 0.15 s/0.11 ± 0.02 w | ||
Isoprene | 0.13 | ||||
α-Pinene | 0.33 | ||||
β-Pinene | 0.34 | ||||
Monoterpenes | 1.34 | ||||
Methanol | 3.84 | ||||
Acetaldehyde Acetone | 0.83 2.72 |
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Sakunkoo, P.; Phonphinyo, S.; Maneenin, N.; Jirapornkul, C.; Limmongkon, Y.; Rayubkul, J.; Thongtip, S.; Sangkham, S. Comparison of Volatile Organic Compound Concentrations in Ambient Air among Different Source Areas around Khon Kaen, Thailand. Atmosphere 2021, 12, 1694. https://doi.org/10.3390/atmos12121694
Sakunkoo P, Phonphinyo S, Maneenin N, Jirapornkul C, Limmongkon Y, Rayubkul J, Thongtip S, Sangkham S. Comparison of Volatile Organic Compound Concentrations in Ambient Air among Different Source Areas around Khon Kaen, Thailand. Atmosphere. 2021; 12(12):1694. https://doi.org/10.3390/atmos12121694
Chicago/Turabian StyleSakunkoo, Pornpun, Saksit Phonphinyo, Naowarat Maneenin, Chananya Jirapornkul, Yuparat Limmongkon, Jetnapis Rayubkul, Sakesun Thongtip, and Sarawut Sangkham. 2021. "Comparison of Volatile Organic Compound Concentrations in Ambient Air among Different Source Areas around Khon Kaen, Thailand" Atmosphere 12, no. 12: 1694. https://doi.org/10.3390/atmos12121694