L1 /
4
CH3041
POLLUTANTS
• Species Polluted (ppb) Unpolluted (ppb)
CO 20 000 <200
NO2 300 <20
VOC 1000 <300
Ozone 100 <5
PAN 150 <5
CO 20 000 <200
NO2 300 <20
VOC 1000 <300
Ozone 100 <5
PAN 150 <5
• VOC = toluene, xylenes, benzene, hexane,
heptane,
trimethylbenzenes …
heptane,
trimethylbenzenes …
• Particulates
exacerbate the
health effects of
the smog.
exacerbate the
health effects of
the smog.
