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Geochemical, Mineralogical and Morphological Characterisation of Road Dust and Associated Health Risks

Author

Listed:
  • Carla Candeias

    (Geobiosciences, Geotechnologies and Geoengineering Research Centre (GeoBioTec), Department of Geosciences, University of Aveiro, 3810-193 Aveiro, Portugal)

  • Estela Vicente

    (Centre for Environmental and Marine Studies (CESAM), Department of Environment, University of Aveiro, 3810-193 Aveiro, Portugal)

  • Mário Tomé

    (School of Technology and Management (ESTG), Polytechnic Institute of Viana do Castelo, Avenida do Atlântico, nº 644, 4900-348 Viana do Castelo, Portugal)

  • Fernando Rocha

    (Geobiosciences, Geotechnologies and Geoengineering Research Centre (GeoBioTec), Department of Geosciences, University of Aveiro, 3810-193 Aveiro, Portugal)

  • Paula Ávila

    (LNEG, National Laboratory of Energy and Geology, Rua da Amieira, 4466-901 São Mamede de Infesta, Portugal)

  • Alves Célia

    (Centre for Environmental and Marine Studies (CESAM), Department of Environment, University of Aveiro, 3810-193 Aveiro, Portugal)

Abstract

Road dust resuspension, especially the particulate matter fraction below 10 µm (PM 10 ), is one of the main air quality management challenges in Europe. Road dust samples were collected from representative streets (suburban and urban) of the city of Viana do Castelo, Portugal. PM 10 emission factors (mg veh −1 km −1 ) ranging from 49 (asphalt) to 330 (cobble stone) were estimated by means of the United Stated Environmental Protection Agency method. Two road dust fractions (<0.074 mm and from 0.0074 to 1 mm) were characterised for their geochemical, mineralogical and morphological properties. In urban streets, road dusts reveal the contribution from traffic emissions, with higher concentrations of, for example, Cu, Zn and Pb. In the suburban area, agriculture practices likely contributed to As concentrations of 180 mg kg −1 in the finest road dust fraction. Samples are primarily composed of quartz, but also of muscovite, albite, kaolinite, microcline, Fe-enstatite, graphite and amorphous content. Particle morphology clearly shows the link with natural and traffic related materials, with well-formed minerals and irregular aggregates. The hazard quotient suggests a probability to induce non-carcinogenic adverse health effects in children by ingestion of Zr. Arsenic in the suburban street represents a human health risk of 1.58 × 10 −4 .

Suggested Citation

  • Carla Candeias & Estela Vicente & Mário Tomé & Fernando Rocha & Paula Ávila & Alves Célia, 2020. "Geochemical, Mineralogical and Morphological Characterisation of Road Dust and Associated Health Risks," IJERPH, MDPI, vol. 17(5), pages 1-18, February.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:5:p:1563-:d:326328
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    References listed on IDEAS

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    1. Kui Cai & Chang Li, 2019. "Street Dust Heavy Metal Pollution Source Apportionment and Sustainable Management in A Typical City—Shijiazhuang, China," IJERPH, MDPI, vol. 16(14), pages 1-15, July.
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    Cited by:

    1. Nuno Canha & Evangelia Diapouli & Susana Marta Almeida, 2021. "Integrated Human Exposure to Air Pollution," IJERPH, MDPI, vol. 18(5), pages 1-6, February.
    2. Shan Li & Xiangyang Bi & Zhonggen Li & Heng Wang & Xinyu Li & Xinbin Feng & Guangyi Sun & Ji Chen & Bo Meng, 2021. "Heavy Metal(loid)s Contamination in Ground Dust and Associated Health Risks at a Former Indigenous Zinc Smelting Area," IJERPH, MDPI, vol. 18(3), pages 1-15, January.

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