Olga Garmash will defend her PhD thesis titled “Mass Spectrometry Studies on Vapours Forming Atmospheric Aerosol Particles” on Tuesday, 15th of December at 14 o’clock. The opponent is Professor Jacqueline Hamilton from the University of York and the custos is Associate Professor Mikael Ehn from the University of Helsinki. The defense will be held in Athena hall 302, Siltavuorenpenger 3 A, at the city centre campus. The audience capacity is 30 people. The opponent will be present remotely and there is a chance for the audience also to follow the defense through Zoom: https://helsinki.zoom.us/j/68467382272?pwd=MlNGNitGWVhNb1A0OS9ERUpPVG0v…