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n kim. ozone

n ozone layer, ozonosphere

Ozone depleting substances. Chemical substances (gases) such as CFC (chlorofluorocarbons) and halogens that contribute to the depletion of the stratospheric ozone layer w

treating of potable water or sewage by chlorine for the purpose of their decontamination (disinfection). The ozonization (i.e. treating by ozone) is more preferential to

A carbon-containing compound, such as gasoline or acetone, that vaporizes at a relatively low temperature, generally below 40°C. VOC's can contaminate water, and in the a