Aerosol and NOx emission factors

Aerosol and NOx emission factors and submicron particle number size distributions in two road tunnels with different traffic regimes D. Imhof, E. Weingartner, A. S. H. Prévôt, C. Ordóñez, R. Kurtenbach, P. Wiesen, J. Rodler, P. Sturm, I. McCrae, Å. Sjödin, and U. Baltensperger Paul Scherrer Institut, Laboratory of Atmospheric Chemistry, Villigen, Switzerland University of Wuppertal, Physical Chemistry Department, Wuppertal, Germany Institute for Internal Combustion Engines and Thermodynamics, Graz University of Technology, Graz, Austria TRL Limited, Environment Group, Crowthorne, Berks, UK IVL Swedish Environmental Research Institute, Stockholm, Sweden Received: 2 May 2005 – Accepted: 21 June 2005 – Published: 22 July 2005 Correspondence to: E. Weingartner ([email protected]) © 2005 Author(s). This work is licensed under a Creative Commons License.