1. BS EN 1994-1-2:2005 Eurocode 4 - Design of composite steel and concrete structures - Part 1-2: General rules - Structural fire design

2. BS EN 12121:2012 Chemicals used for treatment of water intended for human consumption - Sodium disulfite

3. BS EN 12569:1999 Industrial valves - Valves for chemical and petrochemical process industry - Requirements and tests

4. BS EN 1994-2:2005 Eurocode 4 - Design of composite steel and concrete structures - Part 2: General rules and rules for bridges

5. BS EN 12122:2005 Chemicals used for treatment of water intended for human consumption - Ammonia solution

6. BS EN 12573-3:2000 Welded static non-pressurized thermoplastic tanks - Part 3: Design and calculation for single skin rectangular tanks

7. BS EN 1995-1-1:2004+A2:2014 Incorporating Eurocode 5 - Design of timber structures - Part 1-1: General - Common rules and rules for buildings

8. BS EN 12123:2012 Chemicals used for treatment of water intended for human consumption - Ammonium sulfate

9. BS EN 12573-4:2000 Welded static non-pressurized thermoplastic tanks - Part 4: Design and calculation of flanged joints

10. BS EN 1995-1-2:2004 Eurocode 5: Design of timber structures - Part 1-2: General - Structural fire design