Monthly and annual average concentrations and supplementary air quality characteristics
EBZN-ethylbenzene-Sh
MXY-m-xylene-Sh
OXY-o-xylene-Sh
PXY-p-xylene-Sh
TLN-toluene-Sh
EBZN-ethylbenzene-Sh MXY-m-xylene-Sh OXY-o-xylene-Sh PXY-p-xylene-Sh TLN-toluene-Sh