1. BS 5849:1980 IEC 528:1975. Method of Expression of performance of air quality infra-red analysers (IEC title Expression of performance of air quality infra-red analyzers)

2. BS 5852:2006. Methods of test for assessment of the ignitability of upholstered seating by smouldering and flaming ignition sources ICS 13.220.40; 97.140

3. BS 5857-1.1:1980 ISO 2975-I:1974. Methods for measurement of Fluid flow in closed conduits using tracers - Part 1: Measurement of water flow - Section 1.1 General

4. BS 5857-1.2:1980 ISO 2975-II:1975. Methods for Measurement of fluid flow in closed conduits, using tracers - Part 1: Measurement of water flow - Section 1.2 Constant rate injection method using non-radioactive tracers

5. BS 5857-1.3:1980 ISO 2975-III:1977. Methods for measurement of Fluid flow in closed conduits, using tracers - Part 1: Measurement of water flow - Section 1.3 Constant rate injection method using radioactive tracers

6. BS 5857-1.4:1980 ISO 2975-VI:1977. Methods for measurement of Fluid flow in closed conduits, using tracers - Part 1: Measurement of water flow - Section 1.4 Transit time method using non- radioactive tracers

7. BS 5857-1.5:1980 ISO 2975-VII:1977. Methods for measurement of Fluid flow in closed conduits, using tracers - Part 1: Measurement of water flow - Section 1.5 Transit time method using radioactive tracers

8. BS 5857-2.1:1980 ISO 4053-I:1977. Methods for measurement of Fluid flow in closed conduits, using tracers - Part 2: Measurement of gas flow - Section 2.1 General

9. 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

10. 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