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LI Jin. Applying of geoaccumulation index to evaluate elements pollution in PM2.5 in Anshan during autumn[J]. Journal of Environmental Engineering Technology, 2017, 7(1): 46-51. doi: 10.3969/j.issn.1674-991X.2017.01.007
Citation: LI Jin. Applying of geoaccumulation index to evaluate elements pollution in PM2.5 in Anshan during autumn[J]. Journal of Environmental Engineering Technology, 2017, 7(1): 46-51. doi: 10.3969/j.issn.1674-991X.2017.01.007
shu

Applying of geoaccumulation index to evaluate elements pollution in PM2.5 in Anshan during autumn

doi: 10.3969/j.issn.1674-991X.2017.01.007

  • Anshan Environmental Monitoring Center, Anshan 114004, China

  • Received Date: 2016-05-20
  • Publish Date: 2017-01-20
    Abstract
  • The PM2.5 samples were collected at 6 monitoring sites in Anshan during autumn in 2014. The concentrations of 16 elements (Na, K, Cd, V, Cr, Mn, Ni, Cu, Zn, Pb, Al, Mg, Ca, Fe, Ba, As) in the samples were determined by ICP-OES and ICP-MS methods. The pollution status of the 16 elements was studied by Geoaccumulation Index and correlation analysis. The results showed that through the comparison of concentrations of elements from PM2.5 samples at different monitoring sites, the ratios of maximum to minimum values for Pb, Cd, C, As in PM2.5 were more than 2, the difference was greater, and especially the ration for As was up to 12.19. The ratios of maximum to minimum values for Na, K, V, Mn, Ni, Cu, Zn, Al, Mg, Ca, Fe, Ba were less than 2, exhibiting smaller difference. The results of Geoaccumulation Index indicated that the elements of Cd, Zn, Pb, As, mainly from iron and steel smelting, vehicles and tire-wear, were extremely contaminated. The relevance results showed that Cd,Zn,Pb,Cu might be from the same types of sources.

     

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