Research Article

Ambient Particulate Matter Air Pollution in Mpererwe District, Kampala, Uganda: A Pilot Study

Figure 2

Twenty-four-hour average PM2.5 compositions of major components based on mass reconstruction, where fine soil = 2.2Al + 2.49Si + 1.63Ca + 2.42Fe + 1.94Ti [9]. Ammonium concentrations are low, so only sulfate and nitrate are included. The remaining PM2.5 mass is assumed to be carbon.
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