Research Article
Ambient Particulate Matter Air Pollution in Mpererwe District, Kampala, Uganda: A Pilot Study
Table 1
Concentrations of all measured PM2.5 species (ng/m3).
| PM2.5 species | Analytical methoda | December 31, 2012-January 1, 2013 | January 2, 2013-January 3, 2013 | Limit of detection |
| Na | XRF | 0 | 0.0 | 0.0 | Mg | XRF | 0 | 0.0 | 23.7 | Al | XRF | 5451 | 4097.6 | 17.6 | Si | XRF | 9757 | 6739.5 | 0.9 | P | XRF | 30 | 16.0 | 2.1 | S | XRF | 1312 | 632.7 | 0.0 | Cl | XRF | 1959 | 1047.5 | 0.1 | K | XRF | 2969 | 1976.1 | 0.4 | Ca | XRF | 3357 | 1628.8 | 7.2 | Sc | XRF | 0 | 0.0 | 5.4 | Ti | XRF | 779 | 491.7 | 0.4 | V | XRF | 10 | 7.9 | 0.0 | Cr | XRF | 16 | 8.9 | 0.2 | Mn | XRF | 158 | 109.8 | 0.4 | Fe | XRF | 7616 | 5400.2 | 4.5 | Co | XRF | 0 | 0.0 | 0.7 | Ni | XRF | 3 | 11.1 | 0.7 | Cu | XRF | 16 | 10.3 | 0.4 | Zn | XRF | 90 | 79.4 | 0.4 | Ga | XRF | 0 | 0.0 | 0.0 | As | XRF | 8 | 2.3 | 0.0 | Se | XRF | 0 | 0.7 | 0.7 | Br | XRF | 41 | 28.3 | 0.7 | Rb | XRF | 15 | 7.3 | 0.2 | Sr | XRF | 35 | 104.2 | 0.9 | Y | XRF | 6 | 2.5 | 0.3 | Zr | XRF | 56 | 29.9 | 1.9 | Nb | XRF | 0 | 0.0 | 0.7 | Mo | XRF | 0 | 0.0 | 0.7 | Pd | XRF | 0 | 0.0 | 4.1 | Ag | XRF | 0 | 0.0 | 0.7 | Cd | XRF | 0 | 0.0 | 0.0 | In | XRF | 0 | 2.2 | 2.6 | Sn | XRF | 0 | 0.0 | 1.0 | Sb | XRF | 0 | 0.0 | 8.3 | Cs | XRF | 4 | 0.0 | 0.0 | Ba | XRF | 0 | 0.0 | 12.3 | La | XRF | 2 | 0.0 | 17.3 | Ce | XRF | 0 | 0.0 | 34.4 | Sm | XRF | 37 | 1.9 | 65.4 | Eu | XRF | 0 | 0.0 | 30.9 | Tb | XRF | 35 | 17.1 | 68.3 | Hf | XRF | 0 | 0.0 | 0.0 | Ta | XRF | 0 | 0.0 | 0.0 | W | XRF | 0 | 0.0 | 1.7 | Ir | XRF | 0 | 0.0 | 0.0 | Au | XRF | 0 | 0.0 | 1.7 | Hg | XRF | 0 | 0.0 | 0.0 | Tl | XRF | 0 | 0.0 | 0.4 | Pb | XRF | 23 | 18.6 | 1.2 | U | XRF | 0 | 0.0 | 0.0 | | IC | 1984 | 1160.5 | 0.0 | | IC | 2547 | 1502.4 | 72.6 | | IC | 3542 | 1381.7 | 8.9 | Na+ | IC | 445 | 198.7 | 4.8 | | IC | 141 | 97.6 | 0.0 | K+ | IC | 2705 | 1803.4 | 78.7 | Ca2+ | IC | 2409 | 959.2 | 2.3 | Mg2+ | IC | 223 | 125.8 | 0.0 |
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XRF: X-ray fluorescence; IC: Ion chromatography.
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