1. BS 5857-2.4:1980 ISO 4053-IV:1978. Methods for measurement of Fluid flow in closed conduits, using tracers - Part 2: Measurement of gas flow - Section 2.4 Transit time method using radioactive tracers

2. BS 5864:2010. Installation and maintenance of gas-fired ducted air heaters of rated heat input not exceeding 70 kW net (2nd and 3rd family gases) – Specification

3. BS 5866-4:1991. Blankets suitable for use in the public sector - Part 4 specification for flammability performance

4. BS 5871-1:2005. Specification for the installation and maintenance of gas fires, convector heaters, fireback boilers and decorative fuel effect gas appliances - Part 1: Gas fires, convector heaters, fireback boilers and heating

5. BS 5871-2:2005. Specification for the installation and maintenance of gas fires, convector eaters, fireback boilers and decorative fuel effect gas appliances - Part 2

6. BS 5871-3:2005. Specification for the installation and maintenance of gas fires, convector heaters, fireback boilers and decorative fuel effect gas appliances - Part 3

7. BS 5871-4-2007. Specification for the installation and maintenance of gas fires, convector heaters, fireback boilers and decorative fuel effect appliances - Part 4: Independent gas-fired flueless fires, convector heaters and heatin

8. BS 5892-1:1992 + A3:2009. Railway rolling stock materials - Part 1: Specification for axles for traction and trailing stock

9. BS 5892-3:1992 + A2:2009. Railway rolling stock materials - Part 3: Specification for monoblock wheels for traction and trailing stock

10. BS 5892-7:2014. Railway rolling stock materials - Part 7: Specification for product and technical approval requirements for cast wheels