The sources of polycyclic aromatic hydrocarbons in road dust and their potential hazard

Nurul Hidayah Hishamuddin and Md Firoz Khan and Hamidah Suradi and B. M. Zuhair Siraj and Md. Towhidul Islam and Nor Asrina Sairi and Hairul Anuar Tajuddin and Arniza Khairani Mohd Jamil and Md. Jahurul Haque Akanda e and Sumiani Yusoff (2023) The sources of polycyclic aromatic hydrocarbons in road dust and their potential hazard. Sustainability, 15. pp. 1-17.

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Abstract

Polycyclic aromatic hydrocarbons (PAHs) are persistent organic pollutants (POPs) found in the environment, posing significant health concerns for the population. This research aimed to assess the PAH levels in road dust near bus stops, identify their sources, and evaluate potential health risks. The analysis involved the use of a gas chromatography–flame ionization detector (GC-FID) to measure PAHs and absolute principal component score-multiple linear regression (APCS-MLR) for source apportionment of PAHs. The results indicated that the measured PAHs concentrations in road dust ranged from 137.8 to 5813 ng g−1 , with Indeno[1,2,3-c,d]pyrene having the highest PAHs concentrations. The study identified three main sources of PAHs such as oil spills, fuel combustion, and coal burning, determined through APCS-MLR modeling. Further analysis revealed that the aggregate incremental lifetime cancer risk (ILCR) for children and adults were 2.16 × 10−6 and 2.08 × 10−6 , respectively. Additionally, the hazard index (HI) for children exceeded that of adults, suggesting greater vulnerability to the potential health effects of PAH exposure. The findings indicate that long-term exposure to PAHs may negatively impact lung function and increase the risk of cancer and skin diseases. As a result, it is crucial for the local government to implement effective measures aimed at improving fuel quality and promoting green public transportation within the city. These initiatives may help mitigate PAH emissions and safeguard public health.

Item Type: Article
Keyword: Polycyclic Aromatic Hydrocarbon, Road Dust, Bus Stands, Carcinogens
Subjects: Q Science > QD Chemistry > QD1-999 Chemistry > QD241-441 Organic chemistry
R Medicine > RA Public aspects of medicine > RA1-1270 Public aspects of medicine > RA1190-1270 Toxicology. Poisons
Department: FACULTY > Faculty of Food Science and Nutrition
Depositing User: SITI AZIZAH BINTI IDRIS -
Date Deposited: 13 Jan 2025 16:01
Last Modified: 13 Jan 2025 16:01
URI: https://eprints.ums.edu.my/id/eprint/42563

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