1. BS EN 13268:2001 Surface active agents - Determination of ethylene oxide and propylene oxide groups in ethylene oxide and propylene oxide adducts

2. BS EN 13269:2016 Maintenance - Guideline on preparation of maintenance contracts

3. BS EN 13270:2001 Surface active agents - Determination of the active matter content in alkyldimethylbetaines

4. BS EN 13271:2002 Timber fasteners - Characteristic load-carrying capacities and slip-moduli for connector joints

5. BS EN 13272:2012 Railway applications - Electrical lighting for rolli ng st ock i n publi c transport systems

6. BS EN 13273:2001 Surface active agents - Determination of the content of non-ionic substances in anionic surface active agents by high performance liquid chromatography (HPLC)

7. BS EN 13274-1:2001 Respiratory protective devices - Methods of test - Part 1: Determination of inward leakage and total inward leaka

8. BS EN 13274-2:2001 Respiratory protective devices - Methods of test - Part 2: Practical performance tests

9. BS EN 13274-3:2001 Respiratory protective devices - Methods of test - Part 3: Determination of breathing resistance

10. BS EN 13274-4:2001 Respiratory protective devices - Methods of test - Part 4: Flame tests