Reference no: EM133290303
1. Ozone can be found both at ground-level and in the stratosphere.
Why is ground-level ozone a concern?
2. The Clean Air Act allows the EPA to set standards for six criteria air pollutants.
With hundreds of possible air pollutants to choose from, why were these six chosen for regulation?
3. What is the difference between a primary air pollutant and a secondary air pollutant? Provide an example of each.
4. Ozone can be found both at ground level and in the stratosphere.
Which of these is the "good" ozone? Why is this ozone important?
5. A large ore smelter processes lead, zinc and copper ores. Smelting is the process of applying heat to ore in order to extract a metal. People living near the smelter are concerned about emissions of sulfur dioxide and lead from the smelter's large chimney.
What is produced when sulfur dioxide mixes with water vapor in the atmosphere? What is one environmental consequence that occurs as a result?
6. Is this smelter a point or non-point source of air pollution? How do you know?