Agricultural and silvicultural biomass burning is practiced in many undeveloped portions of the Amazon basin. In Rondonia, Brazil, such burning is restricted to a brief pe- Riod in the dry season of August and September to mini- Mize the duration of air quality impacts and to attempt To control escaped fires. During this period, much of the Region and the communities within it experience signifi- Cant exposure to smoke from agricultural and forest fires.
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