There is an "8 hour average" and "1 hour average" in the US EPA's 6 criteria air pollutants. What is the difference between these two averaging times?
There is an "8 hour average" and "1 hour average" in the US EPA's 6 criteria air pollutants. What is the difference between these two averaging times?
Chapter11: The Air Around Us
Section: Chapter Questions
Problem 22E
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Transcribed Image Text:There is an "8 hour average" and "1 hour average" in the US EPA's 6 criteria
air pollutants. What is the difference between these two averaging times?
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