This part of the standard specifies requirements for the following halogenated hydrocarbons for use as fire extinguishing media: a) halon 1211 (bromochlorodifluoromethane) b) halon 1301 (bromotriflouromethane).
DS/EN 27201-1:1995 history
1995DS/EN 27201-1:1995 Fire protection - Fire extinguishing media - Halogenated hydrocarbons - Part 1: Specifications for halon 1211 and halon 1301