Articles | Volume 18, issue 13
https://doi.org/10.5194/acp-18-9617-2018
https://doi.org/10.5194/acp-18-9617-2018
Research article
 | 
09 Jul 2018
Research article |  | 09 Jul 2018

An apportionment method for the oxidative potential of atmospheric particulate matter sources: application to a one-year study in Chamonix, France

Samuël Weber, Gaëlle Uzu, Aude Calas, Florie Chevrier, Jean-Luc Besombes, Aurélie Charron, Dalia Salameh, Irena Ježek, Griša Močnik, and Jean-Luc Jaffrezo

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Cited articles

Abrams, J. Y., Weber, R. J., Klein, M., Samat, S. E., Chang, H. H., Strickland, M. J., Verma, V., Fang, T., Bates, J. T., Mulholland, J. A., Russell, A. G., and Tolbert, P. E.: Associations between Ambient Fine Particulate Oxidative Potential and Cardiorespiratory Emergency Department Visits, Environ. Health Persp., 125, https://doi.org/10.1289/EHP1545, 2017. a
ANSES ExPOSURE: Etude multi-sites des variations du Potentiel Oxydant des PM atmosphériques en France, en liaison avec leur chimie et leurs sources, Tech. rep., ANSES, http://www.ige-grenoble.fr/recherche/equipes/chimie-atmospherique-chianti/projets/article/exposure?lang=en, 2017. a
Aymoz, G., Jaffrezo, J.-L., Jacob, V., Colomb, A., and George, Ch.: Evolution of organic and inorganic components of aerosol during a Saharan dust episode observed in the French Alps, Atmos. Chem. Phys., 4, 2499–2512, https://doi.org/10.5194/acp-4-2499-2004, 2004. a, b
Ayres, J. G., Borm, P., Cassee, F. R., Castranova, V., Donaldson, K., Ghio, A., Harrison, R. M., Hider, R., Kelly, F., Kooter, I. M., Marano, F., Maynard, R. L., Mudway, I., Nel, A., Sioutas, C., Smith, S., Baeza-Squiban, A., Cho, A., Duggan, S., and Froines, J.: Evaluating the Toxicity of Airborne Particulate Matter and Nanoparticles by Measuring Oxidative Stress Potential – A Workshop Report and Consensus Statement, Inhalation Toxicology, 20, 75–99, https://doi.org/10.1080/08958370701665517, 2008. a, b
Bates, J. T., Weber, R. J., Abrams, J., Verma, V., Fang, T., Klein, M., Strickland, M. J., Sarnat, S. E., Chang, H. H., Mulholland, J. A., Tolbert, P. E., and Russell, A. G.: Reactive oxygen species generation linked to sources of atmospheric particulate matter and cardiorespiratory effects, Environ. Sci. Technol., 49, 13605–13612, https://doi.org/10.1021/acs.est.5b02967, 2015. a, b, c, d
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Short summary
The oxidative potential (OP) of the PM appears to be a relevant proxy of health outcomes from PM exposure. We developed a new statistical model using a coupled approach with positive matrix factorization (PMF) and multiple linear regressions to attribute a redox activity per PM sources. Our results highlight the importance of biomass burning and vehicular sources to explain the observed OP of PM. A different contribution of the sources is observed when considering OP or the mass of the PM10.
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