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Spatial distributions and sources of PAHs in soil in chemical industry parks in the Yangtze River Delta, China
Jia, Tianqi; Guo, Wei; Xing, Ying; Lei, Rongrong; Wu, Xiaolin; Sun, Shurui; He, Yunchen; Liu, Wenbin
2021-08-15
Source PublicationENVIRONMENTAL POLLUTION
ISSN0269-7491
Volume283Pages:-
AbstractThe Yangtze River Delta (YRD) is one of the fastest developing areas in eastern China and contains many chemical industry parks. The profiles and sources of polycyclic aromatic hydrocarbons (PAHs) in soil in chemical industry parks and surrounding areas in the YRD were investigated by analyzing soil samples (n = 64) were collected in the YRD and Rudong chemical park (RD), a typical chemical park in the Yangtze River Delta. The total concentrations of 19 PAHs in the YRD soil samples were 16.3-4694 ng g(-1) (mean 688 ng g(-1)), and the total concentrations of PAHs in RD were 21.6-246 ng g(-1) (mean 75.4 ng g(-1)). The PAHs in soil in YRD were dominated by four-ring and five-ring PAHs, and the PAHs in RD were dominated by two-ring and three-ring PAHs. It suggested that PAHs may have been supplied to soil in YRD predominantly through coal combustion and vehicle emissions, PAHs in the soil of RD may be due to the volatilization and leakage of chemical raw material. According to the different distribution characteristics of PAHs, the ratio (1.5) of (2 + 3) rings/4 rings was proposed to identify the chemical source of PAHs. The PAH isomer ratios and principal component analysis/multiple linear regression (PCA/MLRA) results indicated that PAHs concentrations in soil in the YRD and RD are mainly supplied by industrial and traffic emissions. Incremental lifetime cancer risks (ILCRs) indicated that PAHs in soil pose negligible cancer risks to children and adults, but much stronger risks to children than adults. (C) 2021 Elsevier Ltd. All rights reserved.
Department环境化学与生态毒理学国家重点实验
KeywordPolycyclic aromatic hydrocarbon Yangtze River Delta Risk assessment Chemical industrial park
WOS Research AreaEnvironmental Sciences
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/45841
Collection环境化学与生态毒理学国家重点实验室
Affiliation1.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Beijing 100085, Peoples R China
2.Inner Mongolia Univ, Sch Ecol & Environm, Hohhot 010021, Peoples R China
3.Chinese Acad Sci, Inst Sci, Beijing 100190, Peoples R China
4.Chinese Acad Sci, Inst Dev, Beijing 100190, Peoples R China
5.Hangzhou Inst Adv Study, UCAS, Hangzhou 310024, Peoples R China
6.Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Jia, Tianqi,Guo, Wei,Xing, Ying,et al. Spatial distributions and sources of PAHs in soil in chemical industry parks in the Yangtze River Delta, China[J]. ENVIRONMENTAL POLLUTION,2021,283:-.
APA Jia, Tianqi.,Guo, Wei.,Xing, Ying.,Lei, Rongrong.,Wu, Xiaolin.,...&Liu, Wenbin.(2021).Spatial distributions and sources of PAHs in soil in chemical industry parks in the Yangtze River Delta, China.ENVIRONMENTAL POLLUTION,283,-.
MLA Jia, Tianqi,et al."Spatial distributions and sources of PAHs in soil in chemical industry parks in the Yangtze River Delta, China".ENVIRONMENTAL POLLUTION 283(2021):-.
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