Articles | Volume 17, issue 6
https://doi.org/10.5194/acp-17-4251-2017
https://doi.org/10.5194/acp-17-4251-2017
Research article
 | 
29 Mar 2017
Research article |  | 29 Mar 2017

Atmospheric trace metals measured at a regional background site (Welgegund) in South Africa

Andrew D. Venter, Pieter G. van Zyl, Johan P. Beukes, Micky Josipovic, Johan Hendriks, Ville Vakkari, and Lauri Laakso

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Latest update: 19 May 2024
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Short summary
Size-resolved trace metal concentrations were determined at a regional background site impacted by the major pollutant source regions in the interior of South Africa, which include a region holding a large number of pyrometallurgical smelters. ≥70% of trace metal species were in the smaller size fractions, indicating the influence of industrial activities, while the influence of wind-blown dust was reflected in the PM2.5–10 size fraction. Annual average Ni and As exceeded European standards.
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