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Article

Characterization of PM10-Bound Polycyclic Aromatic Hydrocarbons and Associated Carcinogenic Risk in Bangkok, Thailand

1
Environmental Quality and Laboratory Division, Pollution Control Department, Bangkok 10400, Thailand
2
Department of Civil and Environmental Engineering, University of Strathclyde, Glasgow G1 1XJ, UK
*
Author to whom correspondence should be addressed.
Academic Editor: Dikaia E. Saraga
Appl. Sci. 2021, 11(10), 4501; https://doi.org/10.3390/app11104501
Received: 30 April 2021 / Revised: 10 May 2021 / Accepted: 10 May 2021 / Published: 14 May 2021
Concentrations of ambient particulate-bound polycyclic aromatic hydrocarbons (pPAHs) were measured in PM10 samples collected at roadside, industrial and urban background sites in Bangkok between May 2013 and May 2014. The annual average PM10 concentrations were not significantly different between the roadside (56.4 ± 27.3 µg m−3) and industrial (51.0 ± 31.1 µg m−3) sites. The lowest annual mean PM10 was observed at the urban background site (39.8 ± 22.2 µg m−3). Seasonal variations of pPAHs were observed at the three sampling sites. The total pPAHs ranged between 1.09 and 13.10 ng m−3 (mean 4.85 ± 2.51 ng m−3), 1.49 and 9.39 ng m−3 (mean 3.84 ± 2.01 ng m−3) and 0.77 and 5.20 ng m−3 (mean 2.28 ± 1.16 ng m−3) at the roadside, industrial and urban background sites, respectively. The observed annual average benzo[a]pyrene concentrations were 0.47 ± 0.39 ng m−3, 0.35 ± 0.27 ng m−3 and 0.24 ± 0.19 ng m−3 at the roadside, industrial and urban background sites. Long-term carcinogenic health risk of inhalation exposure expressed as the toxicity equivalent to benzo[a]pyrene concentrations were calculated as 0.83, 0.72 and 0.39 ng m−3 at the industrial, roadside and urban background sites, respectively. The composition of pPAHs plays an important role in the carcinogenicity of a PAHs mixture. View Full-Text
Keywords: benzo[a]pyrene; GC-MS; PM10; polycyclic aromatic hydrocarbons; risk assessment benzo[a]pyrene; GC-MS; PM10; polycyclic aromatic hydrocarbons; risk assessment
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MDPI and ACS Style

Tadsanaprasittipol, A.; Tonrub, P.; Beverland, I.J.; Kalin, R.M. Characterization of PM10-Bound Polycyclic Aromatic Hydrocarbons and Associated Carcinogenic Risk in Bangkok, Thailand. Appl. Sci. 2021, 11, 4501. https://doi.org/10.3390/app11104501

AMA Style

Tadsanaprasittipol A, Tonrub P, Beverland IJ, Kalin RM. Characterization of PM10-Bound Polycyclic Aromatic Hydrocarbons and Associated Carcinogenic Risk in Bangkok, Thailand. Applied Sciences. 2021; 11(10):4501. https://doi.org/10.3390/app11104501

Chicago/Turabian Style

Tadsanaprasittipol, Amornphat, Pinthong Tonrub, Iain J. Beverland, and Robert M. Kalin 2021. "Characterization of PM10-Bound Polycyclic Aromatic Hydrocarbons and Associated Carcinogenic Risk in Bangkok, Thailand" Applied Sciences 11, no. 10: 4501. https://doi.org/10.3390/app11104501

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