Natural Balance of Ozone
Danielson
et al, Fig 2.28
Disassociation
of O2 absorbs UV < 0.2 mm
O2
+ UV ¨ O + OO3
forms when O2 and O molecules collide
O2
+ O ¨ O3Disassociation
of O3 absorbs 0.2-0.3 mm
UV
O3
+ UV ¨ O2
+ OBalance
exists between O3 creation-destruction
CFCÕs disrupts balance