Customs Documents

Containing trifluoromethane (hfc23) or perfluorocarbons (pfcs) but not containing chlorofluorocarbons (cfcs) or hydrochlorofluorocarbons (hcfcs)

Mixtures containing trifluoromethane "hfc23" (excl. containing chlorofluorocarbons "cfcs" or hydrochlorofluorocarbons "hcfcs")

Mixtures containing perfluorocarbons "pfcs" (excl. containing chlorofluorocarbons "cfcs", hydrochlorofluorocarbons "hcfcs" or trifluoromethane "hfc23")