Articles | Volume 17, issue 6
Atmos. Chem. Phys., 17, 4251–4263, 2017
https://doi.org/10.5194/acp-17-4251-2017
Atmos. Chem. Phys., 17, 4251–4263, 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 et al.

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Cited articles

Adgate, J. L., Mongin, S. J., Pratt, G. C., Zhang, J., Field, M. P., Ramachandran, G., and Sexton, K.: Relationships between personal, indoor, and outdoor exposures to trace elements in PM2. 5, Sci. Total Environ., 386, 21–32, 2007.
Ahn, J. W., Chung, D. W., Lee, K. W., Ahn, J., and Sohn, H. Y.: Nitric Acid Leaching of Base Metals from Waste PDP Electrode Scrap and Recovery of Ruthenium Content from Leached Residues, Mater. Trans., 52, 1063–1069, 2011.
Beukes, J. P., Vakkari, V., Van Zyl, P. G., Venter, A. D., Josipovic, M., Jaars, K., Tiitta, P., Kulmala, M., Worsnop, D., Pienaar, J. J., Virkkula, A., and Laakso, L.: Source region plume characterisation of the interior of South Africa as observed at Welgegund, Clean Air Journal, 23, 7–10, 2013.
Booyens, W., Van Zyl, P. G., Beukes, J. P., Ruiz-Jimenez, J., Kopperi, M., Riekkola, M.-L., Josipovic, M., Venter, A. D., Jaars, K., Laakso, L., Vakkari, V., Kulmala, M., and Pienaar, J. J.: Size-resolved characterisation of organic compounds in atmospheric aerosols collected at Welgegund, South Africa, J. Atmos. Chem., 72, 43–64, https://doi.org/10.1007/s10874-015-9304-6, 2015.
CDC, Centers for Disease Control: Agency for Toxic Substances and Disease Registry, available at: http://www.atsdr.cdc.gov/toxprofiles/index.asp, last access: 14 July 2015.
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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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