People aren't just at risk from carcinogenic benzene when they are out on city streets.
Abstract
Benzene pollution emanating from motor traffic can cause leukaemia1,2,3, with the risk being estimated at about four cases per million among people who experience lifelong exposure to benzene concentrations of 1 μg m−3 in air4,5,6. But we show here that personal exposure, and therefore risk estimates, cannot simply be estimated from environmental concentrations of benzene. Using a new sampling device that monitors both of these parameters, we have discovered that people living in different European cities are exposed to concentrations of benzene that may be twice as high as the urban average.
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Cocheo, V., Sacco, P., Boaretto, C. et al. Urban benzene and population exposure. Nature 404, 141–142 (2000). https://doi.org/10.1038/35004651
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DOI: https://doi.org/10.1038/35004651
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