• 11:00 ClO_x and the Impacts of Halogen Chemistry in the Arctic Troposphere at Barrow, Alaska
  Presenter: C. R. T. Stephens
• 11:15 Evidence for the emission of reactive halocarbons from open leads in Arctic sea-ice during COBRA
  Presenter: M Shaw
• 11:30 Distribution of tropospheric bromine monoxide during polar spring - a multi-sensor study
  Presenter: H. Sihler
• 11:45 Observations of Bromine and Chlorine Chemistry during OASIS 2009
  Presenter: L.G Huey
• 12:00 Characterisation of Halogen Concentrations during Ozone Depletion Events from DOAS observations in the Amundsen Bay
  Presenter: H Sihler
• 12:15 Bromine Cycling in Snow, Firn Air, and the Atmospheric Boundary Layer at Summit, Greenland During the GSHOx Field Campaign
  Presenter: J L Thomas