Chemistry, asked by kaulinsh1620, 1 year ago

The maximum value of so2 in ambient air is

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Answered by naveenkb

The EPA has set National Ambient Air Quality Standards for six principal pollutants, which are called "criteria" air ... Sulfur Dioxide (SO2), primary, 1 hour, 75 ppb, 99th percentile of 1-hour daily maximum concentrations, averaged over 3 years.

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