• 09:30 Evidence for Rapid Photochemical Recycling of Antarctic Plateau Reactive Nitrogen and Its Transport to Coastal Areas Via Connecting Glacial Valleys (PART I)
  Presenter: W.D. Neff
• 09:45 Measurements of HONO during OASIS in Barrow, Alaska
  Presenter: J. Kleffmann
• 10:00 Atmospheric nitrogen oxides (NO and NO₂) at Dome C: first observations and implications for reactive nitrogen cycling above the East Antarctic Ice Sheet
  Presenter: M.M. Frey
• 10:15 Photolytic Modelling of Reactions and Absorption Spectra in Arctic Windpacks (Barrow, 2009)
  Presenter: H. J. Reay