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… ethyl or propyl (normal or iso) group but no further carbon atoms Examples: Methylphosphonyl dichloride (676-97-1) … • Halons (Bromochlorofluorocarbons) e.g. Halon 1301 • Carbon tetrachloride • Methyl chloroform Main uses of ODS and … January 1, 2003 January 1, 2007 January 1, 2010a Group II: Carbon tetrachloride 85% phase-out Phase-out (100%) January …