Environmental Science and Pollution Research

, Volume 26, Issue 31, pp 32333–32344 | Cite as

Assessment of source and health risk of metal(loid)s in indoor/outdoor dust of university dormitory in Lanzhou City, China

  • Lili Bao
  • Shengli WangEmail author
  • Huiling Sun
  • Wen Huang
  • Guanxin Wang
  • Zhongren Nan
Research Article


The pollution of metal(loid)s from indoor and outdoor dust is of great concern because of its impact on human health. The concentrations of nine metal(loid)s (Mn, Cu, Zn, Cd, Cr, Ni, Pb, Hg, and As) were investigated in indoor and outdoor dust samples of university dormitories in winter and summer seasons in Lanzhou City, China. This study revealed the variations of metal(loid) concentrations in dust samples with the seasonal scale and floor heights. The results showed that the concentrations of some metal(loid)s (Cu, Cd, Ni, Pb, and As) in dust samples collected in winter were higher than those of the dust samples collected in summer. The Hg in indoor dust was mainly derived from building materials and indoor human activities. Additionally, the concentrations of some metal(loid)s (Hg, Mn, As, Cu, Cd) in dust samples varied with the height of the floors from ground level. The concentrations of Hg in dust samples collected on upper floors (9–16th floors) were higher than those collected on down floors (1–8th floors), while Mn and As were the opposite of that. Cu and Cd concentrations increased as the floor height increased. Our results demonstrated that the adults and the children (particularly the children) endured potential health risks due to exposure to metal(loid)s from both indoor and outdoor dust in the studied area.


Atmospheric deposition Dust Metal(loid)s Pollution characteristics Source identification Health risk 


Funding information

This work was supported by the National Key Research and Development Program of China (2018YFC1802905).

Compliance with ethical standards

Conflict of interest

The authors declare that they have no competing interests.

Supplementary material

11356_2019_6365_MOESM1_ESM.docx (417 kb)
ESM 1 (DOCX 417 kb)


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Lili Bao
    • 1
    • 2
  • Shengli Wang
    • 1
    • 2
    Email author
  • Huiling Sun
    • 1
    • 2
  • Wen Huang
    • 1
    • 2
  • Guanxin Wang
    • 2
  • Zhongren Nan
    • 1
    • 2
  1. 1.Gansu Key Laboratory for Environmental Pollution Prediction and Control, College of Earth and Environmental SciencesLanzhou UniversityLanzhouChina
  2. 2.Key Laboratory of Western China’s Environmental Systems (Ministry of Education), College of Earth and Environmental SciencesLanzhou UniversityLanzhouChina

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