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Environmental and dietary exposure to 24 polycyclic aromatic hydrocarbons in a typical Chinese coking plant

文献类型： 外文期刊

作者： Gao, Yanpeng 1 ; Geng, MingZe 1 ; Wang, Guangyao 1 ; Yu, Hang 1 ; Ji, Yuemeng 1 ; Jordan, Richard W. 3 ; Jiang, Shi-Jun 4 ; Gu, Yang-Guang 3 ; An, Taicheng 1 ;

作者机构： 1.Guangdong Univ Technol, Inst Environm Hlth & Pollut Control, Guangdong Hong Kong Macao Joint Lab Contaminants E, Guangdong Key Lab Environm Catalysis & Hlth Risk C, Guangzhou 510006, Peoples R China

2.Guangdong Univ Technol, Sch Environm Sci & Engn, Guangzhou Key Lab Environm Catalysis & Pollut Cont, Key Lab City Cluster Environm Safety & Green Dev,M, Guangzhou 510006, Peoples R China

3.Yamagata Univ, Fac Sci, Yamagata 9908560, Japan

4.Hohai Univ, Coll Oceanog, Nanjing 245700, Peoples R China

5.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Guangzhou 510300, Peoples R China

6.Guangdong Prov Key Lab Fishery Ecol & Environm, Guangzhou 510300, Peoples R China

关键词： Polycyclic aromatic hydrocarbons (PAHs); Dietary exposure; Soil pollution; Atmospheric pollution; Drinking water contamination; Multivariate analysis

期刊名称：ENVIRONMENTAL POLLUTION （ 影响因子：8.9； 五年影响因子：9.5 ）

ISSN： 0269-7491

年卷期： 2024 年 346 卷

页码：

收录情况： SCI

摘要： Polycyclic aromatic hydrocarbons (PAHs), known for their health risks, are prevalent in the environment, with the coking industry being a major source of their emissions. To bridge the knowledge gap concerning the relationship between environmental and dietary PAH exposure, we explore this complex interplay by investigating the dietary exposure characteristics of 24 PAHs within a typical Chinese coking plant and their association with environmental pollution. Our research revealed Nap and Fle as primary dietary contaminants, emphasizing the significant influence of soil and atmospheric pollution on PAH exposure. We subjected our data to non -metric multidimensional scaling (NMDS), Spearman correlation analysis, Lasso regression, and Weighted Quantile Sum (WQS) regression to delve into this multifaceted phenomenon. NMDS reveals that dietary PAH exposure, especially within the high molecular weight (HMW) group, is common both within and around the coking plant. This suggests that meals prepared within the plant may be contaminated, posing health risks to coking plant workers. Furthermore, our assessment of dietary exposure risk highlights Nap and Fle as the primary dietary contaminants, with BaP and DahA raising concerns due to their higher carcinogenic potential. Our findings indicate that dietary exposure often exceeds acceptable limits, particularly for coking plant workers. Correlation analyses uncover the dominant roles of soil and atmospheric pollution in shaping dietary PAH exposure. Soil contamination significantly impacts specific PAHs, while atmospheric pollution contributes to others. Additionally, WQS regression emphasizes the substantial influence of soil and drinking water on dietary PAHs. In summary, our study sheds light on the dietary exposure characteristics of PAHs in a typical Chinese coking plant and their intricate interplay with environmental factors. These findings underscore the need for comprehensive strategies to mitigate PAH exposure so as to safeguard both human health and the environment in affected regions.

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