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Elsevier, Science of the Total Environment, 1-3(169), p. 141-147

DOI: 10.1016/0048-9697(95)04642-e

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Emission factors from road traffic from a tunnel study (Gubrist tunnel, Switzerland). Part I: concept and first results

Journal article published in 1995 by Johannes Staehelin, Kurt Schläpfer, Toni Bürgin, Urs Steinemann, Stefan Schneider, Dominik Brunner ORCID, Martin Bäumle, Markus Meier, Christoph Zahner, Stephan Keiser, Werner Stahel, Christian Keller
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This paper is available in a repository.

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Abstract

In the industrialized world a large part of the emission of the primary air pollutants (NOx, volatile organic compounds (VOC) and CO) originates from road traffic. Here we present the concept and first results of a tunnel study which took place from September 20th to September 26th, 1993 at the Gubrist tunnel (close to Zürich, Switzerland) in which the emission factors of a large number of individual VOCs, total hydrocarbons (t-HC), CO, NOx and SO2 are determined. The first tentative results of the emission factors of NOx, CO, t-HC and 26 individual hydrocarbons (alkanes and aromatics in the volatility range from n-heptane to n-decane) for the average of all vehicles and the light duty vehicles at an average speed of 90 km/h are given.