Ozone Initiated SOA Formation of Combustion Aerrosols

Recently it has been shown that organic aerosols from incomplete combustion such as emissions from diesel engines are significantly transformed upon atmospheric ageing (Robinson et al. 2007). The particle mass emission factors increases due to gas-to-particle conversion upon exposure to UV-light. We hypothesize that these effects are generic also for other types of combustion aerosols and oxidants. The aim of this work is to test this hypothesis by investigating processing of indoor combustion aerosols upon exposure to elevated ozone concentrations.

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