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Levels, Potential Sources and Risk Assessment of Organochlorine Pesticides in Atmospheric Particulate Matter at Regional Background Site

Category: Aerosol and Atmospheric Chemistry

Volume: 19 | Issue: 9 | Pages: 2008-2016
DOI: 10.4209/aaqr.2019.06.0321

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To cite this article:
Liu, J., Wang, H.Y., Song, S.J., Ma, H.C., Sun, W.T., Wang, L., Wang, Y., Yi, X.L., Guo, L.Q. and Li, P.H. (2019). Levels, Potential Sources and Risk Assessment of Organochlorine Pesticides in Atmospheric Particulate Matter at Regional Background Site. Aerosol Air Qual. Res. 19: 2008-2016. doi: 10.4209/aaqr.2019.06.0321.

Juan Liu1,2, Hui-Yu Wang1,2, Shan-Jun Song3, Hui-Chun Ma4, Wen-Tao Sun1, Lei Wang 4, Yan Wang5, Xian-Liang Yi6, Li-Qiong Guo7, Peng-Hui Li 1,2,8

  • 1 School of Environmental Science and Safety Engineering, Tianjin University of Technology, Tianjin 300384, China
  • 2 Tianjin Key Laboratory of Hazardous Waste Safety Disposal and Recycling Technology, Tianjin 300384, China
  • 3 National Institute of Metrology, Beijing 100029, China
  • 4 Hebei Research Center for Geoanalysis, Baoding 071000, China
  • 5 School of Environmental Science and Engineering, Shandong University, Qingdao 266237, China
  • 6 School of Food and Environment, Dalian University of Technology, Panjin 124221, China
  • 7 Department of Occupational and Environmental Health, School of Public Health, Tianjin Medical University, Tianjin 300070, China
  • 8 Tianjin SF-Bio Industrial Bio-Tec Co., Ltd., Tianjin 300462, China


  • PM2.5-bound OCPs levels were analyzed in regional background atmosphere.
  • Regional sources and multiple sources contributed to the pollutants.
  • Estimated non-carcinogenic health risk was below the U.S. EPA’s limit.


Forty-eight PM2.5 samples were collected from June to August 2015 at the summit of Mount Tai. The samples were analyzed to determine the concentrations, potential sources and health risk of organochlorine pesticides (OCPs). Total OCPs concentration in PM2.5 ranged from 20.5 to 331 pg m–3. Hexachlorocyclohexane (HCHs) were the most abundant compounds. The sources of OCPs used potential source contribution function (PSCF), back trajectory analysis and principal component analysis suggested that the southwest agricultural areas and southeast regions of Mount Tai were the significant contributions regions of OCPs. Both old residual and new input were considered to the contribution of OCPs contamination. Human health risk assessment was carried out by non-carcinogenic health hazard quotient (HQ). The HQ values through inhalation and dermal contact ranged from 9.28 × 10–12 to 6.56 × 10–3, indicating a negligible risk of the study area.


PM2.5 Organochlorine pesticides (OCPs) Concentration Long-range transport Health risk

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