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In the Eastern United States, hourly concentrations of ozone typically range from 30 to 50 parts per billion (ppb), with events that may exceed 100 ppb. Typical exposure levels can cause visible foliar injury to some plant species and have the potential to reduce tree growth by up to 10 percent p...


Rose, Anita K.Coulston, John W.[Ozone injury across the southern United States, 2002-06]Ozone injury across the southern United States, 2002-06

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