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10 Cards in this Set
- Front
- Back
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VOC's |
Volatile organic compounds (VOC)means any compound of carbon, excluding carbon monoxide, carbon dioxide, carbonic acid, metallic carbides or carbonates, and ammonium carbonate, which participates in atmospheric photochemical reactions. |
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Criteria air pollutants |
air pollutants that have been regulated and are used as indicators of airquality |
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National Ambient Air Quality Standards |
The National Ambient Air Quality Standards (NAAQS) are standardsestablished by the United States Environmental Protection Agency under authority of the Clean Air Act (42 U.S.C. 7401 et seq.) that apply for outdoor air throughout the country |
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Catalytic converter |
a device incorporated in the exhaust system of a motor vehicle, containing a catalyst for converting pollutant gases into less harmful ones |
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Hazardous Air Pollutants |
Hazardous air pollutants, also known as toxic air pollutants or air toxics, are those pollutants that cause or may cause cancer or other serious health effects, such as reproductive effects or birth defects, or adverse environmental and ecological effects |
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Albedo |
the proportion of the incident light or radiation that is reflected by a surface |
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Ocean acidification |
significant changes to the chemistry of the ocean. It occurs when carbon dioxide gas (or CO2) is absorbed by the ocean and reacts with seawater to produce acid |
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UV-A |
radiation that is in the region of the ultravioletspectrum which is nearest to visible light and extends from about 320 to 400 nm in wavelength and that causes tanning and contributes to aging of the skin. |
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UV-B |
radiation that is in the region of the ultravioletspectrum which extends from about 280 to 320 nm in wavelength and that is primarily responsible for sunburn, aging of the skin, and the development of skin cancer. |
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UV-C |
the most dangerous type ofultraviolet light but cannot penetrate earth's protective ozone layer. Therefore, it poses no threat to human, animal or plant life on earth. UVA and UVB, on the other hand, do penetrate the ozone layer in attenuated form and reach the surface of the planet. |
