Photochemical Smog - Natural and artificially emitted hydrocarbons in the presence of oxides of nitrogen undergo photochemical reactions which produce a cloud of toxic chemicals including ozone and a variety of harmful chemical gaseous and ...
Photochemical Smog - produced when hydrocarbons and oxides of nitrogen combine in the presence of sunlight to form ozone ...
Photochemical smog
Air pollution caused by chemical reactions of various pollutants emitted from different sources.(1)
Picocuries per liter (pCi/L)
A unit of measure for levels of radon gas.(1) ...
Photochemical smog consists of oxidants caused by the reaction of sunlight on hydrocarbons and nitrogen oxides from vehicle and industrial emissions. The photochemical smog causes cause eye irritation, headaches, coughs and damage lung tissues.
P photochemical smog
Definition (english only)
A combination of fog and chemicals that come from automobile and factory emissions and is acted upon by the action of the sun.
Smog (photochemical smog): Literally a contraction of "smoke" and "fog"; the colloquial term used for photochemical fog, which includes ozone and numerous other contaminants. Smog is usually adds a brownish haze to the atmosphere.
It is a major component of photochemical smog, a product of combustion from transportation and stationary sources, and a major contributor to the formation of ozone in the lower atmosphere and to acid deposition.
photochemical smog Air pollution caused by chemical reactions among various substances and pollutants in the atmosphere.
In the troposphere, it is created both naturally and by photochemical reactions involving gases resulting from human activities (photochemical smog). In high concentrations, tropospheric ozone can be harmful to a wide range of living organisms.
A collective term for some of the primary constituents of photochemical smog.
Oxidation Pond
A man-made (anthropogenic) body of water in which bacteria, used most frequently with other waste-treatment processes, consume waste; a sewage lagoon.
The result of photochemical reactions of nitric oxide in ambient air; major component of photochemical smog.
smog Air pollution associated with oxidants. See photochemical smog.
smoke Particles suspended in an emission of exhaust after incomplete combustion that interferes with light transmission.
SNARL Suggested No Adverse Response Level.
Smog: Air pollution typically associated with oxidants. (see Photochemical Smog)
Smoke: Particles suspended in air after incomplete combustion.
Soft Detergents: Cleaning agents that break down in nature.
Nitrogen Oxide (NOx): The result of photochemical reactions of nitric oxide in ambient air; major component of photochemical smog.
haze - an atmospheric condition marked by a slight reduction in atmospheric visibility, resulting from the formation of photochemical smog, radiation of heat from the ground surface on hot days, or the development of a thin mist.
Oxidant - A substance containing oxygen that reacts chemically in air to produce a new substance; the primary ingredient of photochemical smog.
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Paraquat - A standard herbicide used to kill various types of crops, including marijuana.
Tropospheric ozone is a by-product of the photochemical (light-induced) processes associated with air pollution. See photochemical smog. Ozone in the troposphere can damage plants and humans.
Volatile Organic Compound: Any organic compound which evaporates readily to the atmosphere. VOCs contribute significantly to photochemical smog production and certain health problems.
Nitrogen Oxides (NOX): Nitrogen compounds such as NO and NO2 produced by combustion. They help to from ozone and photochemical smog.
NO2: Nitrogen Dioxide
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Oxidant - A collective term for some of the primary constituents of photochemical smog.
The various oxides of nitrogen can also react with hydrocarbons in the atmosphere to contribute to photochemical smog. NOx can also affect ecologically sensitive sites through deposition, causing acidification and eutrophication. In The U.S.
Ozone Layer: A layer of ozone in the lower portion of the stratosphere -- 12 to 15 miles above the Earth's surface -- which helps to filter out harmful ultraviolet rays from the sun. It may be contrasted with the ozone component of photochemical smog ...
 See also: Smog, Air, Water, Environment, Environmental
  
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