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Averaged predictions from the VBS-IVOC model for (a) total OA (μg m−3), (b) POA fraction, (c) SOA fraction, (d) total gasoline OA (μg m−3), (e) total diesel OA (μg m−3), (f) biogenic SOA (μg m−3), and (g) other OA (μg m−3) over southern California.
