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Bailey, Clark, Ferris, Krause and Strong, “Chemistry of the Environment,” second edition (San Diego: Academic Press) 2002.
Photochemical Smog:
[O3] depends on the ratio [NO]
][NO2
and on [VOC]
Generally, [VOC] [O3]
BUT
If VOC are in excess, changing [VOC]
has little effect; [NOx] [O3]
If [VOC] is low relative to [NOx], a situation
can occur where [NOx] [O3]
Why? VOC, NOx compete for OH
[NOx] more VOC reacts w/ OH [O3]