1. BS 6840-2:1993 IEC 268-1:1987. Sound system equipment - Part 2: Glossary of general terms and calculation methods

2. BS 6840-6:1987 IEC 268-6:1971. Sound system equipment - Part 6: Methods for specifying and measuring the characteristics of auxiliary passive elements

3. BS 6840-8:1988 IEC 268-8:1973. Sound system equipment - Part 8: Methods for specifying and measuring the characteristics of automatic gain control devices

4. BS 6840-9:1987 IEC 268-9:1977. Sound system equipment - Part 9: Methods for specifying and measuring the characteristics of artificial reverberation, time delay and requency shift equipment

5. BS 6841:1987. Guide to Measurement and evaluation of human exposure to whole-body mechanical vibration and repeated shock

6. BS 6843-3:1988 ISO 8216-3:1987. Classification of petroleum fuels - Part 3: Liquefied petroleum gases

7. BS 6853:1999. Code of practice for fire precautions in the design and construction of passenger carrying trains

8. BS 6857:1987 ISO 4620:1986. Specification for Cadmium pigments for paints

9. BS 6859-1:1987. Operating tables - Part 1: Specification for mobile general operating tables

10. BS 6859-2:1987. Operating tables - Part 2: Specification for fixed-pedestal general operating tables