1. Aerosol
Physics Laboratory, Department of Physics, Tampere University of Technology, P.O.
Box 692, FI-33101 Tampere, Finland
2. Air
Quality, Finnish Meteorological Institute, P.O. Box 503, FI-00101 Helsinki, Finland
3. Department
of Technology, Metropolia University of Applied Sciences, P.O. Box 4000, FI-00180, Helsinki, Finland
4. Helsingin Energia Plc, FI-00090
Helen, Helsinki, Finland
5. Helsinki Region Environmental Services Authority (HSY), P.O. Box 100, FI-00066 HSY, Finland