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Similarities and Differences in PM2.5, PM10 and TSP Chemical Profiles of Fugitive Dust Sources in a Coastal Oilfield City in China

Category: Articles

Volume: 14 | Issue: 7 | Pages: 2017-2028
DOI: 10.4209/aaqr.2013.06.0226
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Shaofei Kong 1,2, Yaqin Ji2, Bing Lu2, Xueyan Zhao2,3, Bin Han2,3, Zhipeng Bai 2,3

  • 1 Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters, Key Laboratory for Aerosol-Cloud-Precipitation of China Meteorological Administration, Nanjing University of Information Science and Technology, Nanjing 210044, China
  • 2 College of Environmental Science and Engineering, Nankai University, Weijin Road 94#, Tianjin, China
  • 3 Atmospheric Environment Istitute, Chinese Research Academy of Environmental Sciences, Beijing 100012, China


PM2.5, PM10 and TSP source profiles were established for three fugitive dust.
Specific elemental ratios for Asian dust studies were calculated.
OC/TC ratios were highest which was related to energy structure.
Na, Mg and Na+ exhibited higher mass percentages with the influence of sea salt.
TSP, PM10 and PM2.5 profiles for re-suspended dust were similar to each other.


PM2.5, PM10 and TSP source profiles for road dust, soil dust and re-suspended dust were established by adopting a re-suspension chamber in the coastal oilfield city of Dongying. Thirty-nine elements, nine ions, organic and elemental carbon were analyzed by multiple methods. The results indicate that Ca, Si, OC, Ca2+, Al, Fe and SO42– were the most abundant species for all the three types of dust within the three size fractions. OC/TC ratios were highest for dusts in Dongying when compared with those in the literature, which may be related to the large amounts of oil that is consumed in this area. Na, Mg and Na+ in soil and road dust also exhibited higher mass percentages, indicating the influence of sea salt, as the city is close to the coast. Enrichment factors analysis showed that Cd, Ca, Cu, Zn, Ba, Ni, Pb, Cr, Mg and As were enriched, and these elements were more abundant in finer fractions of the fugitive dust. Similarities of the profiles for different size fractions and different types of dust were compared using the coefficient of divergence (CD). The profiles for different types of dust were different from each other, as the CD values were mostly higher than 0.30. In contrast, the profiles for different size fractions of each dust were similar to each other, with the CD values mostly lower or near to 0.30. From analyzing the relationship between crustal material’s mass percentages and the total measured mass percentages of all chemical species, it can be concluded that the sources of road dust and resuspended dust are more complex, especially for fine particles.


Source profile Fugitive dust PM2.5 PM10 TSP

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