Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
INDOOR AIR POLLUTION OUTDOOR AIR POLLUTION Formaldehyde Six Criteria Pollutants Particulate Matter Sulfur Dioxide (SO2) Carbon Monoxide Nitrogen Oxides (NOx) Radon Particulate Matter Asbestos Caron Monoxide (CO) Exposure causes lung cancer Ozone (O3) Solution: Increase ventilation Lead (Pb) Other Air Pollutants Exposure causes lung cancer VOCs From burning coal- causes neurological damage Mercury Component of photochemical smog From paint- causes neurological damage Poor air quality- Generally respiratory irritants Described as point source/ non-point source Secondary pollutant- VOCs + H2O + sunlight May be formed as primary or secondary pollutants AIR POLLUTION ACID DEPOSITION Reactions: NO2 + H2O HNO3 SO2 + H2O H2SO4 Secondary pollutant in the troposphere formed from a reaction with water Leaches aluminum ions from the soil Damages plant tissues Erodes buildings and statues Lowers the pH of surface waters OZONE DEPLETION Loss of ozone concentration due to CFCs Thinning allows UV radiation to reach Earth’s surface Plant/ Crop Damage Loss of phytoplankton UV radiation causes DNA damage Skin Cancer Sun Burns Cataracts Occurs in the stratosphere Infrared radiation GREEN HOUSE GASES Water (H20) Non- anthropogenic/ most abundant Carbon Dioxide (CO2) Burning fossil fuels/ deforestation/ decomposition Methane (CH4) Landfills/ cow flatulence/ rice farms Nitrous Oxide (N2O) Denitrification of inorganic fertilizers CFCs Propellants/ refrigerants CFCs react in the presence of UV radiation- chlorine atom attacks ozone molecule GREENHOUSE GASES Tropospheric Ozone (O3) Secondary pollutant that contributes to smog but also has heat trapping potential