AQS Pollution Sources 2

Question 1

Which type of pollution source is a coal-fired power plant classified as under the Clean Air Act?

Accepted Answer

Stationary point source

Answer

A coal-fired power plant is a stationary point source because it emits pollutants from a fixed, identifiable location such as a stack.

Question 2

Agricultural operations such as livestock farming primarily contribute which pollutant to ambient air?

Accepted Answer

Ammonia

Answer

Livestock operations are among the largest contributors of ammonia emissions, which can form secondary particulate matter.

Question 3

What is the primary air quality concern from dry cleaning facilities?

Accepted Answer

Perchloroethylene (PERC) emissions

Answer

Dry cleaning facilities are regulated HAP sources because they emit perchloroethylene, a volatile organic compound and known carcinogen.

Question 4

Residential wood combustion is regulated primarily because it emits significant amounts of which pollutant?

Accepted Answer

Fine particulate matter (PM2.5)

Answer

Residential wood burning is one of the largest area sources of PM2.5, contributing to wintertime air quality violations in many U.S. regions.

Question 5

Which emission source category does a municipal solid waste landfill fall under when releasing methane and non-methane organic compounds?

Accepted Answer

Stationary area source subject to NSPS

Answer

Landfills are regulated as stationary area sources under NSPS Subpart WWW/Cf, requiring collection and control of landfill gas when emissions exceed thresholds.

(AQS) Air Quality Specialist Certification Practice Test

(AQS) Air Quality Specialist Certification Practice Test

AQS Pollution Sources 2