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. Author manuscript; available in PMC: 2018 Aug 1.
Published in final edited form as: Atmos Chem Phys. 2017 Mar 30;17(6):4305–4318. doi: 10.5194/acp-17-4305-2017

Figure 6.

Figure 6

(a) VBS-IVOC predicted campaign-averaged OA concentrations attributable to gasoline and diesel sources at the ground site in Pasadena; the IVOCx1 result for diesel use is from the VBS-IVOC simulation, and the IVOCx3 and IVOCx5 results are from separate sensitivity simulations where IVOC emissions from diesel are scaled by a factor of 3 and 5, respectively, as described in the text. (b) Ratio of gasoline OA to diesel OA over southern California and (c) cumulative distribution functions that show the fractional contribution of gasoline plus diesel OA to total OA in southern California.