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Ground-level Ozone Formation
Volatile Organic Compounds (VOCs)
Nitrogen Oxides (NOx)
Fuels, Paints, Solvents, &
Vegetation
Combustion Processes
Ozone (O3)Smog+
Photochemical Processes Leading to O3 and PMAn Assessment of Tropospheric Ozone Pollution, A North American Perspective, NARSTO, National Acad. Press, 2000.
20
15
10
5
0
Conc
entr
atio
n, µ
g/m
3
8/15/99 8/17/99 8/19/99 8/21/99 8/23/99Eastern Standard Time
35
30
25
20
15
10
5
0
Temp. °C
nitric acid nitrate
Temperature
NO3- HNO3
Atlanta August 1999
Ozone Production From Aromatics
Terpine Reaction with O3
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