1. BS EN 12913:2012 Products used for treatment of water intended for human consumption - Powdered diatomaceous earth

2. BS EN 12914:2012 Products used for treatment of water intended for human consumption - Powdered perlite

3. BS EN 12915-1:2009 Products used for the treatment of water intended for human consumption - Granular activated carbon - Part 1: Virgin granular activated carbon

4. BS EN 12915-2:2009 Products used for the treatment of water intended for human consumption - Granular activated carbon - Part 2: Reactivated granular activated carbon

5. BS EN 12916:2016 Petroleum products - Determination of aromatic hydrocarbon types in middle distillates - High performance liquid chromatography method with refractive index detection

6. BS EN 12918:1999 BS 6068-2.67:1999 Water quality - Determination of parathion, parathion-methyl and some other organophosphorus compounds in water by dichloromethane extraction and gas chromatographic analysis

7. BS EN 12921-1:2005 + A1:2010 Machines for surface cleaning and pretreatment of industrial items using liquids or vapours - Part 1: Common safety requirements

8. BS EN 12921-2:2005 + A1:2008 Machines for surface cleaning and pretreatment of industrial items using liquids or vapours - Part 2: Safety of machines using water based cleaning liquids

9. BS EN 12921-3:2005 + A1:2008 Machines for surface cleaning and pretreatment of industrial items using liquids or vapours - Part 3: Safety of machines using flammable cleaning liquids

10. BS EN 12921-4:2005 + A1:2008 Machines for surface cleaning and pretreatment of industrial items using liquids and vapours - Part 4: Safety of machines using halogenated solvents