2. What is a source of heavy metal pollution in water? Give an example of a heavy metal and its effect. How can heavy metal pollution be controlled?
3. Explain the process of sewage treatment. Include primary sewage treatment, secondary treatment, and tertiary treatment. Explain how sewage treatment affects biological oxygen demand (BOD) and why sewage treatment is important for aquatic health.
4. For the following legislation, identify whether it is federal or international legislation and explain how it is meant to control pollution. ENV 310 Week 3 Air Pollution Worksheet
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1. Identify three major air pollutants and describe their effects on human health and the environment.
2. Explain how thermal inversions contribute to increased pollution concentration
3. Explain how catalytic converters, Corporate Average Fuel Efficiency (CAFE) standards, and ethanol reduced air polluting emissions from vehicles
4. Identify the two major pollutants that contribute to acid rain. What are the effects of acid rain on buildings, plants, and aquatic systems? How have the National Appliance Energy Conservation Act of 1987, the Clean Air Act Amendments of 1990, and the Air Quality Accord helped reduce acid deposition