Vehicle emissions as the major source of gaseous aromatic hydrocarbons at different locations in Germany

Fourteen gaseous aromatic hydrocarbons have been measured in four 1-month monitoring campaigns. Sampling locations included a rural site, a small town, an urban and an industrial site, all in western Germany. Twenty-four-hour samples were collected on activated charcoal, avoiding immediate traffic i...

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Bibliographic Details
Published in:The Science of the total environment 1994-01, Vol.146, p.275-279
Main Authors: Schröder, B., Dannecker, W.
Format: Article
Language:English
Subjects:
Aromatic hydrocarbons
Source determination
Vehicle emissions
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Summary:Fourteen gaseous aromatic hydrocarbons have been measured in four 1-month monitoring campaigns. Sampling locations included a rural site, a small town, an urban and an industrial site, all in western Germany. Twenty-four-hour samples were collected on activated charcoal, avoiding immediate traffic impact. Analyses were carried out by GC/ITD. Average concentrations of the total of all quantified compounds ranged from 2 μg/m 3 at the rural site to 17 μg/m 3 at the urban site. For source determination, the data were normalized by the respective o-xylene concentrations. Average values of normalized concentrations showed only small standard deviations and at all locations were similar to data found for highway tunnel exhaust air, thus indicating vehicle emissions as the common source.
ISSN:0048-9697
1879-1026
DOI:10.1016/0048-9697(94)90246-1