Monitoring of heavy metal concentrations in home outdoor air using moss bags

Rivera, M. and Zechmeister, H. and Medina-Ramón M., and Basagaña, X. and Foraster, M. and Bouso, L. and Moreno, T. and Solanas, P. and Ramos, R. and Köllensperger, G. and Deltell, A. and Vizcaya, D. and Künzli, N.. (2011) Monitoring of heavy metal concentrations in home outdoor air using moss bags. Environmental pollution, Vol. 159, H. 4. pp. 954-962.

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Official URL: http://edoc.unibas.ch/dok/A6002277

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One monitoring station is insufficient to characterize the high spatial variation of traffic-related heavy metals within cities. We tested moss bags (Hylocomium splendens), deployed in a dense network, for the monitoring of metals in outdoor air and characterized metals' long-term spatial distribution and its determinants in Girona, Spain. Mosses were exposed outside 23 homes for two months; NO(2) was monitored for comparison. Metals were not highly correlated with NO(2) and showed higher spatial variation than NO(2). Regression models explained 61-85% of Cu, Cr, Mo, Pb, Sb, Sn, and Zn and 72% of NO(2) variability. Metals were strongly associated with the number of bus lines in the nearest street. Heavy metals are an alternative traffic-marker to NO(2) given their toxicological relevance, stronger association with local traffic and higher spatial variability. Monitoring heavy metals with mosses is appealing, particularly for long-term exposure assessment, as mosses can remain on site many months without maintenance
Faculties and Departments:09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH) > Department of Epidemiology and Public Health (EPH) > Chronic Disease Epidemiology > Air Pollution and Health (Künzli)
03 Faculty of Medicine > Departement Public Health > Sozial- und Präventivmedizin > Air Pollution and Health (Künzli)
UniBasel Contributors:Künzli, Nino
Item Type:Article, refereed
Article Subtype:Research Article
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:06 Dec 2013 09:36
Deposited On:06 Dec 2013 09:36

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