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OutdoorAir Pollution


Carbon Monoxide vehicle exhaust, burning of forests and grasslands
Carbon Dioxide 93% in atmosphere is natural. The other from burning fossil fuels, clearing forests and grasslands.
Nitric Oxides NO forms when nitrogen and oxygen react at high temps in auto engines and coal-burining plants. in air reacts w/O to make NO2. Both a part of photochemical smog. NO2 reacts w/ water vapor-acid rain
Nitrous oxide N2O is a greenhous gas emitted from fertilizers, animal waste and burning of fossil fuels.
Sulfer dioxide from combustion of sulfur-containing coal, oil refining and smelting of sulfer ore. big component of Asian Brown Cloud.
Sulfuric Acid H2SO4-sulfur combing with water vapor =acid deposition. Damage crops, trees, soils, aquatic life. can aggrvate breathing problems.
Particulates suspended solids from coal burining, vehicles, construction, plowed fields, ect.small particles very dangerous to health, cause irratation to nose,throatand lungs, asthma and can shorten life
Ozone major component of photochemical smog mostly from vehicle exhaust. Causes breathing problems,irritates nose and throat, aggravates heart and lung disease.
Volatile Organic Compounds VOC's hydrocarbons from rice paddies, landfills, oil and natural gas wells, cows, solvents and products we purchase.ex)methane, benzene, trichloroehtane
Components of Industrial Smog Sulfur and carbon in coal and oil react w/oxygen to form SO2, CO and CO2. Sulfur dioxide reacts w/water vapor making sulfuric acid and ammonium sulfate which contribute to acid rain
Components of Photochemical Smog vehicle exhaust reacts No and VOC's in city. Reacts with oxygen to make NO2, reacts w/sunlight and VOC's and resulting smog is a mixture of ozone, nitric acid and other compds. Sunny, dry climates have this worse.
Temperature Inversions Layer of warm air stops a layer of cool air from rising, allowing ground-level pollutants to accumualte instead of disperse. Happens most in valleys between mtns-Donora, PA and cities surrounded by mtns on 3 sides, ocean on other -L.A.
Reverse effects in water and soils by... add lime to water and soil to neutralize effects. Add phopshate fertilizer to acidified lakes.
Created by: sallywentzell