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The paucity of data on air quality studies in Nigeria prompted us to commence the sampling of particulate matter (PM 10–2.5 and PM 2.5 ) in Mushin Lagos, Nigeria. Both size-segregated fractions were collected using a double staged ‘Gent’ stack filter unit sampler. Elemental characterization was carried out by Particle Induced X-ray Emission (PIXE) and Proton Induced γ-ray Emission...
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