What ozone depleting substance was used in fire extinguishers

65 rowsAddressing Ozone Layer Depletion. This page provides information on compounds recognized as ozone-depleting substances (. ODS A compound that contributes to stratospheric ozone depletion. ODS include chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs), halons, methyl bromide, carbon tetrachloride, hydrobromofluorocarbons, …

“Class II” ozone-depleting substances (ODS ODSA compound that contributes to stratospheric ozone depletion. ODS include chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs), halons, methyl bromide, carbon tetrachloride, hydrobromofluorocarbons, chlorobromomethane, and methyl chloroform.

Ozone depleting substances – AWE

The main uses of ozone depleting substances include: CFCs and HCFCs in refrigerators and air conditioners, HCFCs and halons in fire extinguishers, CFCs and HCFCs in foam, CFCs and HCFCs as aerosol propellants, and; methyl bromide for fumigation of soil, structures and goods to be imported or exported. Progress in phasing out ozone depleting substances

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Ozone-depleting substances ( ODS) generally contain chlorine, fluorine, bromine, carbon, and hydrogen in varying proportions and are often described by the general term halocarbons. Chlorofluorocarbons ( CFC s), carbon tetrachloride, and methyl chloroform are important human-produced ozone-depleting gases that have been used in many applications including refrigeration, air …

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Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher

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