This European Standard is applicable to sodium hypochlorite used for treatment of water intended for human
consumption. It describes the characteristics of sodium hypochlorite and specifies the requirements and the
corresponding test methods for sodium hypochlorite. It gives information on its use in water treatment. It also
determines the rules relating to safe handling and use of sodium hypochlorite (see Annex B).
BS EN 901:2007 history
2013BS EN 901:2013 Chemicals used for treatment of water intended for human consumption. Sodium hypochlorite
2008BS EN 901:2007 Chemicals used for treatment of water intended for human consumption - Sodium hypochlorite