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Figure 1 | Particle and Fibre Toxicology

Figure 1

From: Relationship between redox activity and chemical speciation of size-fractionated particulate matter

Figure 1

Correlation between the gravimetrically determined and chemically reconstructed PM mass. The figure shows a very good correlation between the PM mass determined gravimetrically from the Teflon filters and the PM mass reconstructed from chemical analysis (mostly on quartz filters) for samples collected in four different locations. There are two exceptions where positive adsorption artifacts are obvious for the quartz filter samples collected next to the CA-110 freeway. Excluding these two outliers, this graph indicates that the effect of these artifacts is limited at all other sampling locations.

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