AP Environmental Science / Unit 7: Atmospheric Pollution
7.1 Introduction to Air Pollution
Notes
- Primary pollutants come straight from a source ($\mathrm{CO}$, $\mathrm{SO_2}$, $NO_x$, particulates).
- Secondary pollutants form in the air (tropospheric ozone, sulfuric acid).
- The Clean Air Act regulates criteria pollutants.
Practice
Which is a secondary pollutant?
Forms from $NO_x$ and VOCs with sunlight.
Car exhaust directly releases:
Straight from the source.
Coal combustion is a major source of:
Sulfur in coal.
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