1. BS EN 933-9:2009 + A1:2013. Tests for geometrical properties of aggregates - Part 9: Assessment of fines - Methylene blue tes

2. BS EN 934-1:2008. Admixtures for concrete, mortar and grout - Part 1: Common requirements

3. BS EN 934-2:2009 + A1:2012. Admixtures for concrete, mortar and grout - Part 2: Concrete admixtures - Definitions, requirements, conformity

4. BS EN 934-3:2009 + A1:2012. Admixtures for concrete, mortar and grout - Part 3: Admixtures for masonry mortar - Definitions, requirements, conformity and marking and labelling

5. BS EN 934-4:2009. Admixtures for concrete, mortar and grout - Part 4: Admixtures for grout for prestressing tendons - Definitions, requirements, conformity, marking and labelling

6. BS EN 934-5:2007. Admixtures for concrete, mortar and grout - Part 5: Admixtures for sprayed concrete - Definitions, requirements, conformity, marking and labelling

7. BS EN 934-6:2001. Admixtures for concrete, mortar and grout - Part 6: Sampling, conformity control and evaluation of conformity

8. BS EN 935:2004. Chemicals used for treatment of water intended for human consumption - Aluminium iron (III) chloride (monomeric) and aluminium iron (III) chloride hydroxide (monomeric)

9. BS EN 936:2013. Chemicals used for treatment of water intended for human consumption - Carbon dioxide

10. BS EN 937:2016. Chemicals used for treatment of water intended for human consumption - Chlorine