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photochemical smog

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.01 sec.
photochemical smog [¦fōd·ō′kem·ə·kəl ′smäg]
(meteorology)
Chemical pollutants in the atmosphere resulting from chemical reactions involving hydrocarbons and nitrogen oxides in the presence of sunlight.


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The software supports the following characterization measures based on mid-point impact estimation methods developed by the US EPA and reported in their Tool for the Reduction and Assessment of Chemical and Other Environmental Impacts (TRACI, 2007 version): * primary energy * acidification potential * eutrophication potential * global warming potential * human health respiratory effects potential * ozone depletion potential * weighted raw resource use * photochemical smog potential .
Topics covered include steady- and non-steady-state modeling, chemical kinetics, stratospheric ozone, photochemical smog, the greenhouse effect, carbonate equilibria, the application of partition coefficients, pesticides, and toxic metals.
Ozone, which causes the haze in photochemical smog, and particulate pollution -- soot -- are emitted by airplanes, cars, industry, refineries, power plants and the trucks and boats that flow in and out of L.
 
 
 
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