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Unformatted text preview: 1 Atmospheric Pollution Inversion layer Inversion layer Warm air over cold, dense air Warm air over cold, dense air Inversion Problems with the internal combustion engine 1. CO 2. NOx 3. Hydrocarbons 4. Smog Problems with the internal combustion engine 1. CO - Incomplete combustion of fuel. 2. NO x - Spark ignition and high temperatures of the engine. NO x = NO and NO 2 3. Hydrocarbons - Incomplete combustion of fuel. 4. Smog - Photochemical reaction of NO x with hydrocarbons. Air Pollutants Particulates SO 2 CO Hydrocarbons NO x O 3 Lead (Pb) Health problems caused by air pollution 2 Particulates 0 0 0 1 10 100 1000 Microns Viruses Bacteria Fog Raindrops Dust Fly ash Aerosols Smoke Mists 0.1 0.01 0.001 Respired particulates Special health hazards Asbestos Mercury (Hg) Vinyl chloride Benzene Radon gas Radionuclides Indoor air pollution Acid Precipitation Any precipitation rain, fog, mist, or snow that is more acidic than normal....
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This document was uploaded on 11/04/2011 for the course PWS 150 at BYU.
- Fall '11