Characterization of As and trace metals embedded in PM10 particles in Puebla City, México

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Abstract

Forty-eight air-filter samples (PM10) were analysed to identify the concentration level of partially leached metals (PLMs; As, Cd, Co, Cr, Cu, Fe, Mn, Ni, Pb and V) from Puebla City, México. Samples were collected during 2008 from four monitoring sites: (1) Tecnológico (TEC), (2) Ninfas (NIN), (3) Hermanos Serdán (HS) and (4) Agua Santa (AS). The results indicate that in TEC, As (avg. 424 ng m-3), V (avg. 19.2 ng m -3), Fe (avg. 1,202 ng m-3), Cu (avg. 86.6 ng m -3), Cr (41.9 ng m-3) and Ni (18.6 ng m-3) are on the higher side than other populated regions around the world. The enrichment of PLMs is due to the industrial complexes generating huge dust particles involving various operations. The results are supported by the correlation of metals (Mn, Cd and Co) with Fe indicating its anthropogenic origin and likewise, As with Cd, Co, Fe, Mn, Pb and V. The separate cluster of As, Fe and Mn clearly signifies that it is due to continuous eruption of fumaroles from the active volcano Popocatépetl in the region.

Original languageEnglish
Pages (from-to)55-67
Number of pages13
JournalEnvironmental Monitoring and Assessment
Volume186
Issue number1
DOIs
StatePublished - Jan 2014

Keywords

  • Enrichment pattern
  • México
  • PM
  • Partially leached metals (PLMs)
  • Puebla
  • Trace elements

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