Scientific Publications Chemical composition and source apportionment of PM10 at an urban background site in a high–altitude Latin American megacity (Bogota, Colombia) Published 2021 Share SHARE Facebook share Twitter LinkedIn Copy URL Email Download Download S0269749117325435 en Added on: 20 May, 2025 Breadcrumb Home Resource Library Chemical Composition and Source Apportionment of PM10 At An Urban Background Site In a High–altitude Latin American Megacity (Bogota, Colombia) Characterization of the chemical composition and the source apportionment of PM10 at an urban background site in Bogota was carried out in this study. By using a PMF model, six factors were identified (∼96% PM10) including fugitive dust, road dust, metal processing, secondary PM, vehicles exhaust and industrial emissions. Traffic (exhaust emissions + road dust) was the major PM10 source, accounting for ∼50% of the PM10.