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Tuukka Petäjä Currently at: Photochemical Oxidation/Products (POP) group Atmospheric Chemistry Division National Center of Atmospheric Research Boulder, USA Oct 2008 onwards at: Division of Atmospheric Sciences Department of Physical Sciences University of Helsinki Finland Department of Physical Sciences, University of Helsinki

Research update CIMS capable of measuring sulfuric acid and OH-radical operational Verification measurements at Boulder Sept 2008 Ambient measurements in Hyytiälä starting Oct 2008 Formation of atmospheric aerosol particles (mechanism? Role of sulfuric acid?)

Bloomington, IN