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Sci Total Environ. 2001 Nov 12;279(1-3):131-6.

Differences in cyclists and car drivers exposure to air pollution from traffic in the city of Copenhagen.

Author information

1
University of Roskilde, Department of Environment, Technology and Social Studies, Denmark. jr@ruc.dk

Abstract

It has frequently been claimed that cycling in heavy traffic is unhealthy, more so than driving a car. To test this hypothesis, teams of two cyclists and two car drivers in two cars were equipped with personal air samplers while driving for 4 h on 2 different days in the morning traffic of Copenhagen. The air sample charcoal tubes were analysed for their benzene, toluene, ethylbenzene and xylene (BTEX) content and the air filters for particles (total dust). The concentrations of particles and BTEX in the cabin of the cars were 2-4 times greater than in the cyclists' breathing zone, the greatest difference being for BTEX. Therefore, even after taking the increased respiration rate of cyclists into consideration, car drivers seem to be more exposed to airborne pollution than cyclists.

PMID:
11712590
[Indexed for MEDLINE]
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