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2. Health and Safety Commission UK. Report of the Advisory Committee on Asbestos. London:Her Majesty's Stationery Office 1979.
3. European Union. Council Directive 67/548/EEC of 27 June 1967 on the Approximation of Laws Regulations and Administrative Provisions Relating to the Classification Packaging and Labelling of Dangerous Substances. Official Journal of the European Communities L196 16.8.1967. Luxembourg:EUR-OP 1967.
4. UK Control of Asbestos at Work Regulations 1987. S.I. 1987/2115. London:Her Majesty's Stationery Office 1987. Regulations subsequently amended as S.I. 1992/3068 and 1998/3235.
5. IEH. Fibrous Materials in the Environment. Leicester UK:lnstitute for Environment and Health 1997.