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Box plots of fractions contribution of various OH and NO3 sources considered in the modeling, for the residential R1–R4 settings. For OH, source ‘O3’ is O3/alkene reactions; ‘JHONO’ is HONO photolysis. For NO3, source ‘O3’ is O3/NO2 reactions; ‘Dis’ is dissociation of N2O5; ‘SCI’ is SCI/NO2 reactions.
