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Title: CFCs

Essay Details:

Subject: Science
Author: Daniel E
Date: April 19, 2014
Grade: A
Length: 3 / 826

Essay text:

The most used and familiar compounds are made by the DuPont corporation under the trademark name Freon (Chlorofluorocarbons). CFCs are used as refrigerants, solvents, aerosol propellants, and foaming agents.They are classified by the EPA as class I chemical, which are chemicals with a ozone depletion potential of 0.2 and higher. Compounds containing bromine such as halons are even more destructive to the ozone layer and some have ozone depletion potentials of 10-12. Halons are used in handheld fire extinguishers and fire suppression systems. The stratosphere, the second layer of Earths atmosphere, contains the ozone layer (Phillips para5)...

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