1. BS ISO 23551-9:2015. Safety and control devices for gas burners and gas-burning appliances - Particular requirements - Part 9: Mechanical gas thermostats

2. BS ISO 23559:2011. Plastics - Film and sheeting - Guidance on the testing of thermoplastic films

3. BS ISO 23584-1:2009. Optics and photonics - Specification of reference dictionary - Part 1: General overview on organization and structure

4. BS ISO 23584-2:2012. Optics and photonics - Specification of reference dictionary - Part 2: Classes' and properties' definitions

5. BS ISO 23600:2007. Assistive products for persons with vision impairments and persons with vision and hearing impairments - Acoustic and tactile signals for pedestrian traffic lights

6. BS ISO 23601:2009. Safety identification - Escape and evacuation plan signs

7. BS ISO 23603:2005. Standard method of assessing the spectral quality of daylight simulators for visual appraisal and measurement of colour

8. BS ISO 23714:2014. Pulps - Determination of water retention value (WRV)

9. BS ISO 23788:2012. Metallic materials - Verification of the alignment of fatigue testing machines

10. BS ISO 23794:2015. Rubber, vulcanized or thermoplastic - Abrasion testing - Guidan