fig3
![Questioning the appropriateness of sieving for processing indoor settled dust samples](https://image.oaes.cc/11642af0-7cab-423e-bd8c-db60bafeabb0/4971.fig.3.jpg)
Figure 3. PAH concentrations in bulk dust. PAH: Polycyclic aromatic hydrocarbon.
Figure 3. PAH concentrations in bulk dust. PAH: Polycyclic aromatic hydrocarbon.
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