Compared to smoke from wood and leaf combustion (Schmidl et al., 2008a,b),the levoglucosan concentration relative to PM in this study tended to be lower.
Additionally, hydroxy-polycyclic aromatic hydrocarbons(OH-PAHs), the abundant organic components emitted directly in coal smoke particles (Bi et al., 2008), were not detected
in this study.
Consequently, the results suggest that biomass and coal burning were not the dominant contributors of PM loading in this workshop.