Xiansheng Liu1,2,3, Jürgen Schnelle-Kreis2, Brigitte Schloter-Hai2, Lili Ma 1, Pengfei Tai4, Xin Cao2,3, Cencen Yu1, Thomas Adam2,5, Ralf Zimmermann2,3


School of Environment, Nanjing Normal University, Nanjing 210023, China
Joint Mass Spectrometry Center, Cooperation Group Comprehensive Molecular Analytics, Helmholtz Zentrum München, Neuherberg 85764, Germany
Joint Mass Spectrometry Center, Chair of Analytical Chemistry, University of Rostock, Rostock 18059, Germany
Geomatics College, Shandong University of Science and Technology, Shandong, Qingdao 266590, China
Bundeswehr University Munich, Neubiberg 85577, Germany



Received: June 12, 2019
Revised: September 11, 2019
Accepted: September 14, 2019
Download Citation: ||https://doi.org/10.4209/aaqr.2019.06.0301  

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Cite this article:
Liu, X., Schnelle-Kreis, J., Schloter-Hai, B., Ma, L., Tai, P., Cao, X., Yu, C., Adam, T. and Zimmermann, R. (2019). Analysis of PAHs Associated with PM10 and PM2.5 from Different Districts in Nanjing. Aerosol Air Qual. Res. 19: 2294-2307. https://doi.org/10.4209/aaqr.2019.06.0301


Highlights

  • The characteristic of particle PAH in different functional areas were monitored.
  • The BaPTEQ and BaPMEQ potencies were assessed to estimate potential impact.
  • The ILCR value of children-adolescents was higher than that of adults.
  • It is necessary to pay more attention to the relative area in Nanjing.

ABSTRACT


Nanjing has areas with different degrees of pollution and is therefore predestined for the analysis of particle phase polycyclic aromatic hydrocarbons (P-PAHs) in different functional areas and their correlation with the latter. The functional sites include a background area (BGA), an industrial area (IDA), a traffic area (TFA), a business area (BNA) and a residential area (RDA), where parameters such as PAH composition, content, carcinogenic and mutagenic potencies were analyzed. The results revealed increasing P-PAH contents (PM2.5, PM10) in the following order: BGA (14.02 ng m–3, 38.45 ng m–3) < BNA (16.33 ng m–3, 44.13 ng m–3) < TFA (17.13 ng m–3, 48.31 ng m–3) < RDA (21.11 ng m–3, 61.03 ng m–3) < IDA (50.00 ng m–3, 93.08 ng m–3). Thereby, the P-PAH content in the industrial area was significantly higher than in the other functional zones (P < 0.01). Furthermore, the gas phase PAH concentrations were also estimated by the G/P partitioning model and the total PAH toxicity was assessed applying toxicity equivalent factors (∑BaPTEF) and mutagenicity equivalent factors (∑BaPMEF). Finally, the incremental lifetime cancer risk (ILCR) value of children and adolescents in Nanjing was higher than that of adults.


Keywords: Particle phase PAHs; Different functional areas; Toxicity assessment; Incremental lifetime cancer risk.

 



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