Road Dust Emission Sources and Assessment of Street Washing Effect

Karanasiou, Angeliki and Amato, Fulvio and Moreno, Teresa and Lumbreras Martin, Julio and Borge García, Rafael and Linares, Cristina and Boldo, E. and Alastuey, Andres and Querol, Xavier (2014). Road Dust Emission Sources and Assessment of Street Washing Effect. "Aerosol and Air Quality Research", v. 14 (n. 3); pp. 734-743. ISSN 1680-8584 // 2071-1409. https://doi.org/10.4209/aaqr.2013.03.0074.

Description

Title: Road Dust Emission Sources and Assessment of Street Washing Effect
Author/s:
  • Karanasiou, Angeliki
  • Amato, Fulvio
  • Moreno, Teresa
  • Lumbreras Martin, Julio
  • Borge García, Rafael
  • Linares, Cristina
  • Boldo, E.
  • Alastuey, Andres
  • Querol, Xavier
Item Type: Article
Título de Revista/Publicación: Aerosol and Air Quality Research
Date: 2014
ISSN: 1680-8584 // 2071-1409
Volume: 14
Subjects:
Freetext Keywords: Road dust; Resuspension; Source apportionment; Madrid; Spain; Non-exhaust emissions.
Faculty: E.T.S.I. Industriales (UPM)
Department: Ingeniería Química Industrial y del Medio Ambiente
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Although previous studies report on the effect of street washing on ambient particulate matter levels, there is a lack of studies investigating the results of street washing on the emission strength of road dust. A sampling campaign was conducted in Madrid urban area during July 2009 where road dust samples were collected in two sites, namely Reference site (where the road surface was not washed) and Pelayo site (where street washing was performed daily during night). Following the chemical characterization of the road dust particles the emission sources were resolved by means of Positive Matrix Factorization, PMF (Multilinear Engine scripting) and the mass contribution of each source was calculated for the two sites. Mineral dust, brake wear, tire wear, carbonaceous emissions and construction dust were the main sources of road dust with mineral and construction dust being the major contributors to inhalable road dust load. To evaluate the effectiveness of street washing on the emission sources, the sources mass contributions between the two sites were compared. Although brake wear and tire wear had lower concentrations at the site where street washing was performed, these mass differences were not statistically significant and the temporal variation did not show the expected build-up after dust removal. It was concluded that the washing activities resulted merely in a road dust moistening, without effective removal and that mobilization of particles took place in a few hours between washing and sampling. The results also indicated that it is worth paying attention to the dust dispersed from the construction sites as they affect the emission strength in nearby streets.

More information

Item ID: 36158
DC Identifier: http://oa.upm.es/36158/
OAI Identifier: oai:oa.upm.es:36158
DOI: 10.4209/aaqr.2013.03.0074
Official URL: http://aaqr.org/Doi.php?id=14_AAQR-13-03-OA-0074
Deposited by: Memoria Investigacion
Deposited on: 29 Jun 2015 15:35
Last Modified: 03 Aug 2015 10:23
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