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Definition
A gas that comes from the burning of fossil fuels, mostly in cars. It cannot be seen or smelled.
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Definition
A reddish-brown gas that comes from the burning of fossil fuels. It has a strong smell at high levels.
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Definition
Solid or liquid matter that is suspended in the air
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| Stratospheric Ozone Depleters |
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Definition
Chemicals that can destroy the ozone in the stratosphere. These chemicals include chlorofluorocarbons (CFCs), halons, and other compounds that include chlorine or bromine
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Definition
| the introduction of chemicals, particulate matter, or microorganisms into the atmosphere at concentrations high enough to harm plants, animals and materials such as buildings, or to alter ecosystems |
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| The Clean Air Act is the comprehensive Federal law that regulates air emissions from area, stationary, and mobile sources |
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| focused industry, government, and public attention on reducing the amount of pollution through cost-effective changes in production, operation, and raw materials use |
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| A corrosive gas that comes primarily from combustion of fuels such as oil and coal |
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| trace metal that naturally occurs in rocks and soils |
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Definition
Mercury is also found in coal and oil and like lead is toxic to the central nervous system of humans and other organisms |
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Term
| Volatile Organic Compounds (VOCs) |
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Definition
| not necessarily hazardous and can lead to the formation of photochemial oxidants |
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