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![]() Date: 2006-02-16 10:41:34Chemistry Scientific Assessment of Ozone Depletion Ozone layer Montreal Protocol Ozone Chlorofluorocarbon Dobson unit Tropospheric ozone 1 1 2-Trichloro-1 2 2-trifluoroethane Ozone depletion Environment Earth | Source URL: ozone.unep.orgDownload Document from Source WebsiteFile Size: 63,82 KBShare Document on Facebook |