Pollutants
Air pollutants such as NOx, PM and O3 cause what human health effects?
Respiratory irritation...
Ground-level ozone results primarily from what anthropogenic cause?
Thermal inversion occurs when ____ air is trapped between cold air
warm
True or False: a Vapor Recovery Nozzle is used to prevent fumes from entering the atmosphere when fueling a vehicle
True
True or False: The smaller PM is, the more dangerous it is? (ex. PM10 vs PM2.5)
True
What pollutant is a neurotoxicant? (aka causes neurological damage)
Lead
What are the precursors of acid rain?
NOx and SO2
True or False: PM or Particulate Matter can be a gas.
False. PM can only be a liquid or solid particles suspended in the air
What can be added to acidic soil or water to reduce SO2
Crushed limestone
The main source of NOx is....
Then main source of SOx is...
NOx... vehicles
SOx... coal-fired powerplants
Which of the 6 pollutants regulated by the Clean Air Act is a secondary pollutant?
Ozone, O3
What is a factor that increases Photochemical smog production?
- more sunlight/warmer months
- increased cars/vehicles on the road
- increased VOCs into the air
- warmer temperatures
- increased electrical demand
Which US city experiences the highest levels of Photochemical smog?
Las Angeles- LA
Name one of the methods used to reduce air pollutants with coal-burning power plants
Scrubbers- Dry or Wet
Electrostatic Precipitator
Limestone
Radon gas is released due to the decay of...
Uranium
To produce Ozone (O3), NOx is needed along with _______ and ________.
(Hint- think about time of day and what is in the atmosphere)
Oxygen and sunlight
What is primarily responsible for causing acid rain? (Not the precursors themselves)
Coal or cars
Name one of the 3 Laws/Regulations used in the reduction of air pollutants
Clean Air Act, CAFE Vehicle Standards, or Pollution Credits
Electrostatic Precipitator is used to remove what air pollutant?
PM or Particulate Matter
Which indoor air pollutant is the 2nd leading cause of lung cancer after smoking...
Radon gas
Name 5 of the 6 pollutants regulated by the EPA (must be specific! ex. CO and CO2 not the same)
SO2, NOx, CO, PM, O3, Pb
Acid Rain impacts soils and waterways by...
decreasing the pH due to H+ ions
The addition of ______ with O3 (ozone) produces photochemical smog.
VOCs or Photochemical oxidants
Name one method of removing PM
Wet scrubber, Baghouse filter, Electrostatic Precipitator
Developing nations use more subsistence fuels whereas developed nations use ___________ fuels such as cleaning supplies, insulation, paints etc