What is PM?
Particulate matter
What are the effects of Air pollutants?
Respiratory issues
What releases more air pollutants than FFS?
Coal Combustion
-What is one primary pollutant
NOx, CO, CO2*, VOCs, SO2, PM, hydrocarbons
What is the Clean Air Act
Sets acceptable levels for air pollutants
There are ___ amount of identified air pollutants
6 identified air pollutant criteria
Does CO2 directly lower air quality?
Not from a human health standpoint
What is one source of air pollutants?
Vehicles, power plants, factories, or natural sources
what does NO refer to?
Nitrogen oxide
What can be done with pollution credits
They can be sold
When did the EPA begin to phase out lead from gasoline?
1974
What is one economic impact of smog?
Increased healthcare costs
What is one factor that causes more smog in Urban areas?
More traffic, hotter temps, more VOCs due to gas stations & factories, more electricity demand
Secondary air pollutants occur more during the day - True or False
true
How do companies earn pollution credits
By reducing emissions well below EPA-set levels
CO2 is one of the 6 criteria pollutants in the Clean Air Act - True or False?
false
ALL Nitrogen Oxide Impacts...
Resp irritant, ozone formation, acid precip.
When is air pollutants more frequent to occur?
Morning and evening rush hours
What are the primary pollutants emitted?
Vehicles, power plants, factories, or natural sources (volcanoes, forest fires)
What is one pollutant regulated by the Clean Air Act
ozone, carbon monoxide, and nitrogen dioxide
What are the 6 primary air pollutants?
NOx, CO, CO2, VOCs, So2, PM
Releases CO, CO2, SO2, NOx, & toxic metals
Coal Combustion
Which year based on the graph the HIGHEST lead concentration when was it the LOWEST?
1988 & 2015
why does secondary occur during the day?:
sunlight drives formation
CAFE Vehicle Standards require?
vehicles to meet certain average fuel