Question

What year was the Clear Air Act Passed? (1960/1970)

What year was lead added to the criteria pollutants? (1960/1970)

Which of the following are criteria air pollutants? (methane/ozone)

Which of the following are hazardous air pollutants? (Lead/Berilium)

Answer 1

Ans.1970

The Clean Air Act was signed by President Richard Nixon on December 31, 1970 to foster the growth of a strong American economy and industry while improving human health and the environment.

Ans. 1970

Six major pollutants were targeted the 1970 Clean Air Act. This group of pollutants was called the criteria pollutants

Ans.ozone

EPA has identified six criteria pollutants:

• sulfur dioxide
• carbon monoxide
• lead
• nitrogen oxides
• ozone, and
• particulate matter.

Ans.lead

Hazardous air pollutants, also known as toxic air pollutants or air toxics, are those pollutants that are known or suspected to cause cancer or other serious health effects, such as reproductive effects or birth defects.