This European Standard is applicable to chlorine used for treatment of water intended for human consumption. It describes the characteristics of chlorine and specifies the requirements and the corresponding test methods for chlorine. It gives information on its use in water treatment.
EN 937:2009 history
2016EN 937:2016 Chemicals used for treatment of water intended for human consumption - Chlorine
2009EN 937:2009 Chemicals used for treatment of water intended for human consumption - Chlorine
1999EN 937:1999 Chemicals Used for Treatment of Water Intended for Human Consumption - Chlorine