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Benzene, toluene and xylenes levels in new and used vehicles of the same model

Author:
Faber, Joanna   Brodzik, Krzysztof   Go?da-Kopek, Anna   ?omankiewicz, Damian  


Journal:
Journal of Environmental Sciences


Issue Date:
2013


Abstract(summary):

The aim of this work was to determine the level of benzene, toluene, o-xylene and in, p-xylene (BTX) in air samples collected from the cabins of new and used vehicles of the same model. Ten new vehicles were examined in order to check interior emission from materials used to equip the passenger compartment. In order to compare and define the impact of exhaust gases, air samples were also collected from two used cars, at different mileages (up to 20,000 km). All vehicles tested were of the same type. Samples were collected onto Carbograph 1TD sorbent, thermally desorbed and examined with the use of gas chromatography with flame ionisation and mass spectrometry detectors. All results obtained were referred to Polish and German requirements for indoor air quality (both in public buildings and in workspace environments). Average benzene, toluene, o-xylene and in, p-xylene concentrations in new cars were determined at the level of 11.8 mu g/m(3), 82.7 mu g/m(3), 21.2 mu g/m(3) and 89.5 mu g/m(3), respectively. In the used cars, BTX concentration increased with increasing vehicle mileage. The most significant increase of BTX concentration was observed above 11,000 km mileage.


Page:
2324-2330


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