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19 Nov 2019

What is the pollutant standard index (PSI) for each of the contaminants listed below?

-Ozone (ground level) at 0.3 ppmv for one hour

-Sulfur dioxide at 0.45 for a 24 hour period

-Carbon monoxide at 5 ppmv for 8 hours

-Nitrogen dioxide for 1 hour at 1.3 ppmv

Which of these individual pollutants determines the health criteria alert (if any) for the day?

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Nelly Stracke
Nelly StrackeLv2
27 Oct 2019

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