Health risk assessment of polycyclic aromatic hydrocarbons in atmospheric fine particulates matters of Baoding City from 2015-2020

Abstract

Abstract: Objective To analyze the pollution levels of polycyclic aromatic hydrocarbons（PAHs） in atmospheric fine particulates matterin Baoding City from 2015 to 2020 and assess the health risks. Methods The concentrations of 16 kinds of PAHs in theatmospheric fine particulates matters near a primary school in Jingxiu District of Baoding City were detected from 2015 to 2020. The toxicity equivalent method and daily average exposure were used to calculate the excess carcinogenic risk and non carcinogenic risk,to assess the population healthrisk of 16 kinds of PAHs in theatmospheric fine particulates matters in Baoding City,and the data were analyzed. Results From 2015 to 2020,the total concentration of 16 PAHs during the heating period decreased from 21.96 μg/m³ to 2.17 μg/m³,and the total concentration during the non-heating period decreased from 2.85 μg/m³ to 0.53 μg/m³. The lifetime excess risk of seven carcinogenic PAHs from 2015 to 2020 was 1.09×10^-6-20.49×10^-6. For the non-carcinogenic risk,the hazard quotient of benzopyrene from 2018 to 2020 was >1,but the P₉₅ of benzopyrene hazard quotient was >1. Conclusion There are still excess carcinogenic and non-carcinogenic risks of PAHs in atmospheric fine particulates matters,and certain concerns should be raised,which the measures should continue to be taken to control the atmospheric environment.

Key words: Atmospheric particulate matters, Polycyclic aromatic hydrocarbons, Health risk assessment

CLC Number:

R181.3⁺4

YANG Lei, Li Xiao-ping, WANG Ying-ying, HOU Ye, ZHANG Yu-xi. Health risk assessment of polycyclic aromatic hydrocarbons in atmospheric fine particulates matters of Baoding City from 2015-2020. [J]OCCUPATION AND HEALTH, 2023, 39(8): 1086-1091.

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