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| CO, Pb, NOx, PM10,2.5, O3, SO2. |
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| Electricity generation (mostly from coal fired power plants) |
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| One's ablity to do math is inversely proportional to their distance from the board. |
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| "Tiny solid or liquid particles, suspended in the air, generally invisible. |
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| Atmosphere mostly nitrogen, N scatters light in the short wave (blue). |
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| All wavelengths scattered. |
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| Aggregates of gas molecules (7-8 carbon atoms). |
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| Residence Time of Particles |
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| Depends on rain, size of particles, coagulation. |
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| PM10 (10 micrometers) can be inhaled but blocked by mucus membrane. Mostly soot (C). |
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| PM2.5, can be inhaled and absorbed into blood stream through lungs. Formed by coagulation of gas molecules. |
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| Major Components of Aerosols |
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| Ammonia + Sulfuric Acid ----> Ammonium Nitrate |
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| Occur on molecules that have water adsorbed to surface. |
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| Sulfer dioxide + hydroxyl radical ---> other reactions ---> H2SO4 |
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| Nitrogen dioxide + hydroxyl radical --> Nitric Acid |
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| Sulfuric acid + Nitric acid from coal powered plants, not a problem in west because of limestone neutralization. |
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| Regulates emissions of six criteria pollutants. (National Ambient Air Quality Standards). Standards based on public health, regardless of costs, standards reviewed every 5 years. |
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