1) Large urban areas that have problems associated with high levels of particulate pollution also have
I. respiratory disease high above the national average.
II. limited visibility due to haze.
III. decreased water quality.

I only
II only
I and II only
I and III only
I, II, and III

2) Early air pollution legislation in the United States sought to control all of the following EXCEPT

NOX emissions.
CO₂ emissions.
open burning.
sulfur content in fuel.
emissions from industrial smokestacks.

3) Ground-level ozone is classified as a pollutant because it reduces lung functionality AND

its concentrations are low but the particle size is high.
it occurs in the atmosphere only.
it is entirely anthropogenic in nature.
it can degrade plant surfaces.
it is an unstable molecule.

4) Which of the following correctly lists the six "criteria" air pollutants as specified under the Clean Air Act?

Pb, SO₂, NOX, CO, PM, and tropospheric O₃
Tropospheric O₃, SO₂, NOX, PM, Pb, and CO₂
SO₂, NOX, Hg, Pb, PM, and O₃
SO₄, NOX, CO, PM, Pb, and tropospheric O₃
SO₂, NOX, CO, Hg, PM, and tropospheric O₃

5) Which of the following is a secondary pollutant involved in photochemical smog?

Stratospheric O₃
Tropospheric O₃
CO
CO₂
SO₂

6) Which of the following pollutants bonds with hemoglobin, thereby interfering with O2 transport in the blood stream?

CO₂
CO
O₃
NO
PM

7) Which of the following is an anthropogenic source of nitrogen oxides?

Motor vehicles
Forest fires
Nitrogen fixation
Lightning
Planting of legumes by farmers

8) Which of the following pollutants would most adversely affect respiratory tracts?

Mercury
Lead
PM2.5
PM10
CO₂

9) The smog that frequently exists in major metropolitan areas such as Los Angeles, California, is known as brown smog and consists primarily of what component?

Fog
Ozone
Sulfate compounds
Carbon particulate matter
Smoke

9) The air pollutant that is a metal and is released primarily from the combustion of coal is

lead.
mercury.
arsenic.
sulfur.
None of the above

10) A thermal inversion, which can lead to serious pollution events, occurs when

warm air that normally rises does so, taking the pollutants with it.
warm air that normally rises stays close to the surface, holding pollutants close to the surface.
cool air that normally rises does so, taking the pollutants with it.
cool air stays close to the surface but pollutants rise into the atmosphere.
cool air stays close to the surface and is blanketed by a layer of warm air that traps pollutants.

11) Which of the following ranges correctly describes the pH of acid deposition?

pH < 5.6
7 > pH > 5.6
7 < pH > 5.6
pH < 8.6
7 < pH < 8.6

12) Which of the following pollution control measures reduces nitrogen oxide emissions from the burning of coal?

Electrostatic precipitators
Fabric filters
Scrubbers
Lowering coal burning temperatures
Fluidized bed combustion

13) The protective layer of oxygen and stratospheric ozone absorb over 99% of incoming

solar radiation.
UV radiation.
UV-A and UV-B radiation.
UV-B and UV-C radiation.
UV-A and UV-C radiation.

14) Which of the following is correct with regard to the effects of CFCs on ozone production?

UV radiation frees a chlorine atom, which breaks down ozone.
Infrared radiation frees a chlorine atom, which breaks down ozone.
UV radiation frees a fluorine atom, which breaks down ozone.
Infrared radiation frees a chlorine atom, which breaks down ozone.
UV radiation frees a carbon atom, which breaks down ozone.

15) The depletion of ozone over Antarctica is greatest during

August through November.
December through February.
February through May.
June through August.
The ozone hole is consistent in size throughout the year .

16) The agreement that allowed for a reduction, and eventual elimination, of CFC production and use is

the Montreal Protocol.
the Quebec Protocol.
the Kyoto Protocol.
the Clean Skies Initiative.
the Clean Air Act.

17) Which of the following best describes the indoor air pollutant asbestos?

It is a radioactive compound that can lead to lung cancer.
It is an AVOC found in furniture and carpets.
It is a fibrous mineral that can cause respiratory diseases.
It is a metal that can cause brain damage in children.
It is routinely found in homes in developing countries.

18) A phenomenon associated with the buildup of toxic compounds and pollutants in an airtight space is known as

sealed building syndrome.
synthetic building syndrome.
sick building syndrome.
sick worker syndrome.
insulated building sick worker syndrome.

19) The major source of indoor air pollution in developing countries is

using synthetic materials in construction of buildings.
indoor cooking with biomass as a fuel.
release of radon-222 gas.
using lead-based paints on furniture and walls.
smoking cigarettes.

20) The compound that is the leading cause of ozone depletion is

CO.
CO₂.
CFCs.
NOX.
VOCs.

21) Which harmful substance was once commonly used as insulation?

Asbestos
Mercury
Lead
Radon
Ozone