CEM Air Quality Management & Monitoring 1

Question 1

What is the primary federal law governing air quality and air emissions in the United States?

Accepted Answer

Clean Air Act (CAA)

Answer

The Clean Air Act (CAA) is the primary federal statute regulating air emissions from stationary and mobile sources to protect public health and the environment.

Question 2

Which agency establishes the National Ambient Air Quality Standards (NAAQS) for criteria air pollutants?

Accepted Answer

U.S. EPA under the Clean Air Act

Answer

The U.S. EPA establishes NAAQS under the Clean Air Act to protect public health (primary standards) and welfare (secondary standards) from criteria air pollutants.

Question 3

Which of the following is NOT one of the six criteria air pollutants regulated under NAAQS?

Accepted Answer

Hydrogen sulfide (H₂S)

Answer

The six NAAQS criteria pollutants are ozone, particulate matter (PM2.5 and PM10), carbon monoxide, nitrogen dioxide, sulfur dioxide, and lead; hydrogen sulfide is not included.

Question 4

Under the Clean Air Act, a stationary source emitting 100 tons per year or more of a regulated pollutant is classified as a:

Accepted Answer

Major source

Answer

The CAA defines a major stationary source as one that emits or has the potential to emit 100 tons per year or more of any regulated air pollutant.

Question 5

Which permit program applies to new or modified major sources located in areas that do not meet NAAQS (nonattainment areas)?

Accepted Answer

New Source Review – Nonattainment (NSR)

Answer

The Nonattainment New Source Review (NSR) program applies to major new or modified sources in nonattainment areas, requiring them to achieve the Lowest Achievable Emission Rate (LAER).

CEM - Certified Environmental Manager Practice Test

CEM - Certified Environmental Manager Practice Test

CEM Air Quality Management & Monitoring 1