1. BS EN 12561-3:2011 Railway applications - Tank wagons - Part 3: Bottom filling and emptying devices for gases liquefied under pressure

2. BS EN 12106:1998 Plastics piping systems - Polyethylene (PE) pipes - Test method for the resistance to internal pressure after application of squeeze-off

3. BS EN 12561-4:2011 Railway applications - Tank wagons - Part 4: Devices for top filling and emptying of liquid products

4. BS EN 12107:1998 Plastics piping systems - Injection-moulded thermoplastics fittings, valves and ancillary equipment - Determination of the long-term hydrostatic strength of thermoplastics materials for injection moulding of piping comp

5. BS EN 12561-5:2011 Railway applications - Tank wagons - Part 5: Devices for vapour return while filling or emptying of liquid products

6. BS EN 12109:1999 Vacuum drainage systems inside buildings

7. BS EN 12561-6:2011 Railway applications - Tank wagons - Part 6: Manholes

8. BS EN 12110:2014 Tunnelling machines - Air locks - Safety requirements

9. BS EN 12561-7:2011 Railway applications - Tank wagons - Part 7: Platforms and ladders

10. BS EN 1899-2:1998 BS 6068-2.64:1998 Water quality - Determination of biochemical oxygen demand after n days (BODn) - Part 2: Method for undiluted samples