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. Author manuscript; available in PMC: 2022 Jan 15.
Published in final edited form as: Atmos Environ (1994). 2020 Oct 14;245:117988. doi: 10.1016/j.atmosenv.2020.117988

Figure 1.

Figure 1.

Bulk chemical analysis of PM2.5 samples filters LAX1 and USC2 from replicate filters: A. Elemental analysis by ICP-MS; B. Concentrations of elemental and organic carbon (C).