1. BS EN 12901:1999 Products used for treatment of water intended for human consumption - Inorganic supporting and filtering materials - Definitions

2. BS EN 12902:2004 Products used for treatment of water intended for human consumption - Inorganic supporting and filtering materials - Methods of test

3. BS EN 12903:2009 Products used for the treatment of water intended for human consumption -Powdered activated carbon

4. BS EN 12904:2005 Products used for treatment of water intended for human consumption - Silica sand and silica gravel

5. BS EN 12905:2012 Products used for treatment of water intended for human consumption - Expanded aluminosilicate

6. BS EN 12906:2012 Products used for treatment of water intended for human consumption - Pumice

7. BS EN 12909:2012 Products used for treatment of water intended for human consumption - Anthracite

8. BS EN 12910:2012 Products used for treatment of water intended for human consumption - Garnet

9. BS EN 12911:2013 Products used for treatment of water intended for human consumption - Manganese greensand

10. BS EN 12912:2012 Products used for treatment of water intended for human consumption - Barite