Environmental Compliance Inspector Air Quality Compliance 2

Question 1

Under the Clean Air Act, which standard applies to hazardous air pollutants (HAPs) emitted by major sources?

Accepted Answer

Maximum Achievable Control Technology (MACT)

Answer

National Ambient Air Quality Standards (NAAQS)

Answer

Best Available Control Technology (BACT)

Answer

Lowest Achievable Emission Rate (LAER)

Question 2

A facility in a non-attainment area for ozone wants to expand. Which offset ratio typically applies when a new major source locates in a Serious ozone non-attainment area?

Accepted Answer

1.3:1

Answer

1.1:1

Answer

1.2:1

Answer

1.5:1

Question 3

What does a Continuous Emissions Monitoring System (CEMS) measure in real time?

Accepted Answer

Stack gas pollutant concentrations and volumetric flow

Answer

Ambient air pollutant concentrations only

Answer

Fugitive dust levels at the fence line

Answer

Worker exposure to airborne chemicals

Question 4

Which EPA regulation specifically controls particulate matter emissions from industrial boilers at major sources?

Accepted Answer

Boiler MACT (40 CFR Part 63, Subpart DDDDD)

Answer

New Source Performance Standards for Boilers (Subpart Db)

Answer

National Emission Standards for Asbestos

Answer

Prevention of Significant Deterioration rules

Question 5

During a stack test, an inspector notices the sample port is located upstream of all air pollution control devices. What is the primary concern?

Accepted Answer

The test will measure uncontrolled emissions, not actual stack emissions

Answer

The sample port diameter may be too small

Answer

The test location does not meet Method 1 flow profile requirements

Answer

Sampling upstream is standard practice and acceptable

Question 6

Under 40 CFR Part 70, which facilities must obtain a Title V operating permit?

Accepted Answer

Major sources, certain acid rain sources, and other sources required by EPA

Answer

Any facility emitting any regulated pollutant

Answer

Only facilities in non-attainment areas

Answer

Facilities with more than 50 employees

Question 7

What is the purpose of an opacity reading using EPA Method 9?

Accepted Answer

To visually estimate the density of particulate-laden stack plumes

Answer

To measure carbon monoxide concentration in stack gas

Answer

To determine sulfur content of combustion fuel

Answer

To measure nitrogen oxide formation temperature