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NaF quantification by an electrochemical method (expressed in % of mass reaching each stage of the DLPI, i.e., in % of total mass of NaF aerosolized). Legionella quantification by qPCR (expressed in % of genetic units reaching each stage of the DLPI, i.e., in % of total airborne Legionella). Particles larger than 10 μm were not plotted.
