1. BS 3111-2:1979. Specification for Steel wire for cold forged fasteners and similar components - Part 2: Stainless steel

2. BS 3136-2:1972. Methods of test for Water for making concrete (including notes on the suitability of the water)

3. BS 314:1980 (1998)Methods of test for Water for making concrete (including notes on the suitability of the water)

4. BS 3170:1972.Specification for Flexible couplings for power transmission

5. BS 3903:1977. Methods of test for Sulphuric acid, oleum and liquid sulphur trioxide

6. BS 3928:1969. Method for Sodium flame test for air filters - (Other than for air supply to I.C. engines and compressors)

7. BS 3988:1970. Specification for Wrought aluminium for electrical purposes - Solid conductors for insulated cables

8. BS 4019-3:1993 ISO 3551-1:1992. Rotary core drilling equipment - Part 3: Specification for System A - Metric units

9. BS 4019-4:1993 ISO 3551-2:1992. Rotary core drilling equipment - Part 4: Specification for System A - Inch units

10. BS 4019-5:1999 ISO 10097-1-1999. Rotary core drilling equipment - Specification for wireline diamond drilling equipment - System A. Metric units