This European Standard is applicable to ozone used for treatment of water intended for human consumption. It describes the characteristics of ozone and specifies a test method for determining the ozone concentration in other gases.
EN 1278:2010 Referenced Document
EN ISO 3696 Water for Analytical Laboratory Use- Specification and Test Methods (ISO 3696 : 1987)
EN 1278:2010 history
2010EN 1278:2010 Chemicals used for treatment of water intended for human consumption - Ozone
1998EN 1278:1998/prA1:2000 Chemicals Used for Treatment of Water Intended for Human Consumtion - Ozone Includes Amendment prA1: April 2000
1998EN 1278:1998 Chemicals Used for Treatment of Water Intended for Human Consumption - Ozone