* Aerosols: BrSALA BrSALC SALAAL SALCAL * Bromine: BrCl * Chlorine: HOCl * Iodine: IBr IONO IONO2 HOI * Nitrogen: HNO3 NH3 * Oxidants: * Primary_Organics: * ROy: * Secondary_Organic_Aerosols: * Secondary_Organics: * Sulfur: * J-Values: * Column AOD: Polar_Strat_Cloud