Indoor Air Pollutants
Uranium
Is ground-level ozone a primary or secondary air pollutant?
Secondary
Is sulfur dioxide a primary or secondary air pollutant?
Primary
What pollution reduction device is meant for internal combustion engines?
Catalytic converter
Name of the law enforced by the EPA that allows purchase of sulfur dioxide emission credits.
Clean Air Act
Which indoor air pollutant is classified as an asphyxiant?
Carbon monoxide
Chemical formula for ozone
O3
Measurement of the number of H+ ions in water
pH
Removing lead from ________ dramatically reduced the amount of lead in the atmosphere.
Gasoline
Which one energy source releases the most toxic metals, particulates, and gases into the air?
Coal
Name a combustion indoor air pollutant.
Carbon monoxide, particulates, tobacco/cigarette smoke, nitrogen oxides, sulfur dioxide
What kind of weather is most conducive to the formation of photochemical smog?
Sunny / warm
Bedrock made of ___________ can help neutralize the effect of acid rain on lakes and ponds.
Limestone / calcium carbonate
Which pollution reduction technology reduces air pollution using precious metals like platinum to speed up chemical reactions?
Catalytic converters
SPECIFIC type of pollution composed of particles less than 2.5 micrometers in diameter
PM2.5
Name a natural source of VOCs.
Trees/vegetation, soil microbes, plankton in the ocean
Smog can worsen during this natural atmospheric event.
Thermal inversion
Nitric acid
What do coal-burning power plants use to reduce the emission of particulates?
Electrostatic precipitators OR wet scrubbers
Name two sources of noise pollution in urban areas.
Traffic, construction, railways, factories, aircraft etc.
Building materials, furniture, upholstery, and carpeting all release what type of VOC?
Formaldehyde
What time of day will ozone concentrations peak?
Afternoon
Chemical formula for sulfuric acid
H2SO4
Which air pollution reduction device most directly addresses acid rain?
(Wet) scrubbers
Volatile organic chemicals are so-called because they ___________ at room temperature.
Evaporate / sublimate