1. BS EN 877:1999 + A1:2006. Cast iron pipes and fittings, their joints and accessories for the evacuation of water from buildings - Requirements, test methods and quality assurance

2. BS EN 878:2016. Chemicals used for treatment of water intended for human consumption - Aluminium sulfate

3. BS EN 881:2004. Chemicals used for treatment of water intended for human consumption - Aluminium chloride (monomeric), aluminium chloride hydroxide (monomeric) and aluminium chloride hydroxide sulfate (monomeric)

4. BS EN 882:2016. Chemicals used for treatment of water intended for human consumption - Sodium aluminate

5. BS EN 883:2004. Chemicals used for treatment of water intended for human consumption - Polyaluminium chloride hydroxide and polyaluminium chloride hydroxide sulfate

6. BS EN 885:2004. Chemicals used for treatment of water intended for human consumption - Polyaluminium chloride hydroxide silicate

7. BS EN 886:2004. Chemicals used for treatment of water intended for human consumption - Polyaluminium hydroxide silicate sulfate

8. BS EN 887:2016. Chemicals used for treatment of water intended for human consumption - Aluminium iron (III) sulfate

9. BS EN 888:2004. Chemicals used for treatment of water intended for human consumption - Iron (III) chloride

10. BS EN 889:2004. Chemicals used for treatment of water intended for human consumption - Iron (II) sulfate