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In order to investigate the pollution characteristics,potential sources and health risk of polycyclic aromatic hydrocarbons( PAHs) in PM10 and PM2.5in Zhengzhou,a set of PM10 and PM2.5samples were collected during April 2013 to December 2013 in Zhengzhou University campus,and 16 selected PAHs were analyzed by GC-MS. Ba P-TEQ method was applied for health risk assessment and diagnostic ratio was used to identify potential sources of PAHs. The results showed that the concentration of PM10-bound and PM2.5-bound PAHs exhibited a distinct seasonal variation: winter > autumn > spring > summer. 4 ~ 6 ring compounds were the main composition of total PAHs. Ba P concentration of all seasons exceeded the nation limit,indicating a relative high health risk. Diagnostic ratio results showed that PAHs pollution were mainly influenced by coal combustion,vehicle emission,biomass combustion and oil source.
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Basic Information:
DOI：10.13705/j.issn.1671-6841.2015223
China Classification Code:X513;X823
Citation Information:
[1]WANG Qun,GUO Yue,JIANG Nan ,et al.The Pollution Characteristics and Health Risk Assessment of PAHs in PM_(10) and PM_(2.5) in Zhengzhou[J].Journal of Zhengzhou University(Natural Science Edition),2016,48(02):84-89.DOI:10.13705/j.issn.1671-6841.2015223.
Fund Information:
环境保护部公益项目(201409010)
2016-06-23
2016-06-23
2016-06-23