Assessment of incremental lifetime cancer risks of ambient air PM10-bound PAHs in oil-rich cities of Iran

Dobaradaran, S and Goudarzi, G and Baboli, Z and Moslemnia, M and Tobekhak, M and Tahmasebi Birgani, Y and Neisi, A and Ghanemi, K and Babaei, A.A and Hashemzadeh, B and Ahmadi Angali, K and Ramezani, Z (2021) Assessment of incremental lifetime cancer risks of ambient air PM10-bound PAHs in oil-rich cities of Iran. Journal of Environmental Health Science and Engineering, 19 (1). ISSN 2052336X

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This study investigates the concentrations of PM10-bound PAHs and their seasonal variations in three cities of Ahvaz, Abadan, and Asaluyeh in Iran. The mean concentrations of PM10 in two warm and cold seasons in Ahvaz were higher and in Abadan and Assaluyeh were lower than the national standard of Iran and the guidelines of the World Health Organization. The Σ16 PAHs concentration in ambient air PM10 during the cold season in Ahvaz, Abadan and Asaluyeh was 244.6, 633, and 909 ng m− 3, respectively, and during the warm season in Ahvaz, Abadan, and Asaluyeh was 242.1, 1570 and 251 ng m− 3, respectively. The high molecular weight PAHs were the most predominant components. The most abundant PAHs species were Pyr, Chr, B [ghi] P, and Flt. The results showed that the total PAHs concentration in the cold and warm seasons was dependent on industrial activities, particularly the neighboring petrochemical units of the city, vehicular exhausts, traffic and use of oil, gas, and coal in energy production. The total cancer risk values as a result of exposure to PAHs in ambient air PM10 in all three cities for children and adults and in both cold and warm seasons were between 1 × 10− 6 and 1 × 10− 4, and this indicates a potential carcinogenic risk. Therefore, considering the various sources of air pollutants and its role on people’s health, decision makers should adopt appropriate policies on air quality to reduce the ambient air PAHs and to mitigate human exposure.

Item Type: Article
Subjects: T Technology > TD Environmental technology. Sanitary engineering
Divisions: Faculty of Engineering, Science and Mathematics > School of Civil Engineering and the Environment
Depositing User: خدیجه شبانکاره
Date Deposited: 28 Jun 2021 05:53
Last Modified: 28 Jun 2021 05:53

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