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Seasonal and spatial variations of PM10-bounded PAHs in a coal mining city, China: Distributions, sources, and health risks.
Ecotoxicol Environ Saf 2019; 169:470-478EE

Abstract

Atmospheric polycyclic aromatic hydrocarbons (PAHs) emitted from coal combustion has become the major contributor of atmospheric PAHs in China and caused worldwide concern due to their adverse effects on human health and ecosystem. In this work, the abundance, distribution, source and health risk assessment of ambient PM10-bounded PAHs were studied in all seasons from a typical coal resource city in China. The spatial distribution characteristics of PM10-bounded PAHs were also investigated, which cover 6 functional zones including industrial area, mining area, commercial district, education area, residential area and control area, respectively. The average concentrations (in ng/m3) of 16 EPA priority PAHs in PM10 in spring, summer, autumn and winter were 194 ± 11.1, 161 ± 14.0, 183 ± 14.1 and 213 ± 19.2, respectively, and with an annual average of 188 ± 21.8. The composition distribution of PM10-bounded PAHs in each functional zone showed that 4-rings PAHs were dominated in all seasons, followed by 3-rings and 5-rings. Principal component analysis (PCA) and diagnostic ratio indicated that the main PAH sources were coal combustion, traffic and biomass combustion. Health risk assessment analysis (BEQ) suggested that the residential exposure to PAHs in the mining and commercial areas, particularly in winter season, may pose a greater cancer risk than people living in other parts of Huainan city. The maximum BEQ values were found at mining and commercial areas, which were mainly influenced by the emissions from gasoline or diesel vehicles, coal and biomass combustion. Both inhalation and skin contact have great influence on the cancer risk of residents in Huainan city.

Authors+Show Affiliations

School of Resources and Environmental Engineering, Anhui University, Hefei 230601, Anhui, China. Electronic address: lgzheng@ustc.edu.cn.Institute of material Science and Information Technology, Anhui University, Hefei 230601, Anhui, China.School of Resources and Environmental Engineering, Anhui University, Hefei 230601, Anhui, China.National Engineering Laboratory of Coal Mine Ecological Environment Protection, Huainan 232001, Anhui, China.School of Life Sciences, Anhui University, Hefei 230601, Anhui, China.School of Resources and Environmental Engineering, Anhui University, Hefei 230601, Anhui, China.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

30472471

Citation

Zheng, Liugen, et al. "Seasonal and Spatial Variations of PM10-bounded PAHs in a Coal Mining City, China: Distributions, Sources, and Health Risks." Ecotoxicology and Environmental Safety, vol. 169, 2019, pp. 470-478.
Zheng L, Ou J, Liu M, et al. Seasonal and spatial variations of PM10-bounded PAHs in a coal mining city, China: Distributions, sources, and health risks. Ecotoxicol Environ Saf. 2019;169:470-478.
Zheng, L., Ou, J., Liu, M., Chen, Y., Tang, Q., & Hu, Y. (2019). Seasonal and spatial variations of PM10-bounded PAHs in a coal mining city, China: Distributions, sources, and health risks. Ecotoxicology and Environmental Safety, 169, pp. 470-478. doi:10.1016/j.ecoenv.2018.11.063.
Zheng L, et al. Seasonal and Spatial Variations of PM10-bounded PAHs in a Coal Mining City, China: Distributions, Sources, and Health Risks. Ecotoxicol Environ Saf. 2019;169:470-478. PubMed PMID: 30472471.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Seasonal and spatial variations of PM10-bounded PAHs in a coal mining city, China: Distributions, sources, and health risks. AU - Zheng,Liugen, AU - Ou,Jinping, AU - Liu,Meng, AU - Chen,Yongchun, AU - Tang,Quan, AU - Hu,Yu, PY - 2018/09/04/received PY - 2018/11/13/revised PY - 2018/11/15/accepted PY - 2018/11/26/pubmed PY - 2019/2/1/medline PY - 2018/11/26/entrez KW - Huainan city KW - Inhalable particles (PM(10)) KW - Polycyclic aromatic hydrocarbon (PAHs) KW - Seasonal and spatial variation KW - Source identification SP - 470 EP - 478 JF - Ecotoxicology and environmental safety JO - Ecotoxicol. Environ. Saf. VL - 169 N2 - Atmospheric polycyclic aromatic hydrocarbons (PAHs) emitted from coal combustion has become the major contributor of atmospheric PAHs in China and caused worldwide concern due to their adverse effects on human health and ecosystem. In this work, the abundance, distribution, source and health risk assessment of ambient PM10-bounded PAHs were studied in all seasons from a typical coal resource city in China. The spatial distribution characteristics of PM10-bounded PAHs were also investigated, which cover 6 functional zones including industrial area, mining area, commercial district, education area, residential area and control area, respectively. The average concentrations (in ng/m3) of 16 EPA priority PAHs in PM10 in spring, summer, autumn and winter were 194 ± 11.1, 161 ± 14.0, 183 ± 14.1 and 213 ± 19.2, respectively, and with an annual average of 188 ± 21.8. The composition distribution of PM10-bounded PAHs in each functional zone showed that 4-rings PAHs were dominated in all seasons, followed by 3-rings and 5-rings. Principal component analysis (PCA) and diagnostic ratio indicated that the main PAH sources were coal combustion, traffic and biomass combustion. Health risk assessment analysis (BEQ) suggested that the residential exposure to PAHs in the mining and commercial areas, particularly in winter season, may pose a greater cancer risk than people living in other parts of Huainan city. The maximum BEQ values were found at mining and commercial areas, which were mainly influenced by the emissions from gasoline or diesel vehicles, coal and biomass combustion. Both inhalation and skin contact have great influence on the cancer risk of residents in Huainan city. SN - 1090-2414 UR - https://www.unboundmedicine.com/medline/citation/30472471/Seasonal_and_spatial_variations_of_PM10_bounded_PAHs_in_a_coal_mining_city_China:_Distributions_sources_and_health_risks_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0147-6513(18)31199-0 DB - PRIME DP - Unbound Medicine ER -