air pollution Flashcards
Troposphere
Layer of the atmosphere you find the most air pollution
Pollution travels with
wind systems
emits terpenes and ethylene
plants
emits ash and sulfur-containing compounds
volcanic emissions
forest fires
natural if started by lightning, releases carbon-containing compounds
stationary
single, for sure source
emissions from mobile source
mobile
large areas of diffused pollution
area
main cause of air pollution in USA
vehicle exhaust
primary source
comes directly from a source, ex; exhaust pipe
secondary source
created by sunlight, water, oxygen (ozone)
Clean Air Act
created in 1970, the Environmental Protection Agency is required to regulate emissions of the six criteria air pollutants
Six Criteria Air Pollutants
troposphere ozone, sulfur dioxide, nitrogen oxides, carbon monoxide, lead, and particulate matter
Tropospheric Ozone
secondary pollutant cased by sunlight, water, oxygen, and either sulfur dioxide or nitrogen oxides.
Chorofluorocarbons (CFC’s) were used in ____ and majorly effected ____
spray cans and refrigerator units, depletion of the ozone