CES Air Quality Management & Monitoring

Question 1

Which U.S. federal law primarily governs air quality standards and emission controls for stationary and mobile sources?

Accepted Answer

Clean Air Act (CAA)

Answer

Clean Water Act (CWA)

Answer

Resource Conservation and Recovery Act (RCRA)

Answer

Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA)

Question 2

What are National Ambient Air Quality Standards (NAAQS) designed to protect?

Accepted Answer

Public health and welfare from criteria air pollutants

Answer

Only industrial workers in enclosed facilities

Answer

Groundwater resources from atmospheric deposition

Answer

Ozone layer from CFC emissions exclusively

Question 3

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

Accepted Answer

Carbon dioxide (CO2)

Answer

Ground-level ozone (O3)

Answer

Lead (Pb)

Answer

Sulfur dioxide (SO2)

Question 4

A facility is classified as a Major Source under the Clean Air Act if it emits at least how many tons per year of a single regulated pollutant (in attainment areas)?

Accepted Answer

100 tons per year

Answer

10 tons per year

Answer

25 tons per year

Answer

250 tons per year

Question 5

What does the acronym 'PSD' stand for in air quality permitting for major sources in attainment areas?

Accepted Answer

Prevention of Significant Deterioration

Answer

Particulate Source Determination

Answer

Pollutant Source Designation

Answer

Permit for Stationary Discharges

Question 6

Which air quality modeling approach uses a Gaussian plume dispersion equation to estimate pollutant concentrations downwind from a stack?

Accepted Answer

Gaussian dispersion modeling

Answer

Lagrangian particle tracking

Answer

Eulerian grid modeling

Answer

Receptor modeling

Question 7

PM2.5 refers to particulate matter with an aerodynamic diameter of:

Accepted Answer

Less than 2.5 micrometers

Answer

Less than 10 micrometers

Answer

Less than 1.0 micrometer

Answer

Between 2.5 and 10 micrometers