Articles | Volume 21, issue 14
https://doi.org/10.5194/acp-21-11353-2021
https://doi.org/10.5194/acp-21-11353-2021
Research article
 | 
28 Jul 2021
Research article |  | 28 Jul 2021

Source apportionment of atmospheric PM10 oxidative potential: synthesis of 15 year-round urban datasets in France

Samuël Weber, Gaëlle Uzu, Olivier Favez, Lucille Joanna S. Borlaza, Aude Calas, Dalia Salameh, Florie Chevrier, Julie Allard, Jean-Luc Besombes, Alexandre Albinet, Sabrina Pontet, Boualem Mesbah, Grégory Gille, Shouwen Zhang, Cyril Pallares, Eva Leoz-Garziandia, and Jean-Luc Jaffrezo

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Latest update: 12 Nov 2024
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Short summary
Oxidative potential (OP) of aerosols is apportioned to the main PM sources found in 15 sites over France. The sources present clear distinct intrinsic OPs at a large geographic scale, and a drastic redistribution between the mass concentration and OP measured by both ascorbic acid and dithiothreitol is highlighted. Moreover, the high discrepancy between the mean and median contributions of the sources to the given metrics raises some important questions when dealing with health endpoints.
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