1. BS 6069-3.4:1991 ISO 9487:1991. Characterization of air quality - Part 3: Workplace atmospheres - Section 3.4

2. BS 6069-4.2:1991. Characterization of air quality - Part 4: Stationary source emissions - Section 4.2 Method for the determination of asbestos plant emissions by fibre count easurement

3. BS 6069-4.4:1993 ISO 7935:1992. Characterization of air quality - Part 4: Stationary source emissions - Section 4.4 Determination of the mass concentration of sulfur dioxide

4. BS 6069-5.1:1994 ISO 8756:1994 Characterization of air quality - Part 5: General - Section 5.1 Handling of temperature, pressure and humidity data

5. BS 6070-0:1981. Methods of Sampling and test for sodium carbonate for industrial use - Part 0: General introduction

6. BS 6070-1:1981 ISO 740:1976. Methods of Sampling and test for sodium carbonate for industrial use - Part 1: Determination of total soluble alkali content

7. BS 6070-4:1981 ISO 746:1976. Methods of Sampling and test for sodium carbonate for industrial use - Part 4: Determination of matter insoluble in water

8. BS 6070-5:1981 ISO 5143:1977. Sampling and test for sodium carbonate for industrial use - Part 5: Determination of sulphate content

9. BS 6070-7:1981. Methods of Sampling and test for sodium carbonate for industrial use - Part 7: Determination of copper content

10. BS 6073-1:1981. Precast concrete masonry units - Part 1: Specification for precast concrete masonry units