PBDE congeners with lower
bromination, which are more toxic, accounted for 94.6% of total
PBDEs in Guiyu (southeastern China) open burning site and all
congeners investigated were more than 100 times higher than other
published data; concentrations of Cr, Cu and Zn in PM2.5 of Guiyu
resulted 4 to 33 times higher than those found in other Asian
metropolitan cities