الموسوعة البيئية http://www.bee2ah.com/* Gas conversion table* Nomenclature FAQ* Numbering Scheme for Ozone-Depleting Substances and their Substitutes* Class I Ozone-Depleting Substances* CFC Illegal Trade* Numbering Scheme for Ozone-Depleting Substances and their Substitutes* Class I Ozone-Depleting Substances* Class II Ozone-Depleting Substances (HCFCs)* History of Halon use by the US Navy* Ozone Loss: The Chemical Culprits* Process using pyrolysis in an ultra high temperature plasma arc for the* Freon in Car A/C