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Ann. occup. Hyg., Vol. 47, No. 1, pp. 3-6, 2003
© 2003 British Occupational Hygiene Society
Published by Oxford University Press

Commentary

The 1968 BOHS Chrysotile Asbestos Standard

T. L. OGDEN*

40 Wilsham Road, Abingdon, Oxfordshire OX14 5LE, UK

Received 1 October 2002; in final form 14 October 2002

The first 150 words of the full text of this article appear below.


   BACKGROUND
 
In the 1960s, the British Occupational Hygiene Society (BOHS) established a Standards Committee to advise members on hygiene standards for air contaminants and on associated matters such as measurement methods. Its first report (BOHS, 1968) proposed a hygiene standard for chrysotile asbestos, reproduced in the on-line edition of this issue of the Annals. It is perhaps the most influential thing that BOHS has ever done; but it is also probably the most controversial, to the extent that there is still no consensus view of it. Any commentary on it must therefore be a personal view.

There had been attempts to produce standards for asbestos since the 1930s. The Factory Inspectorate had established a ‘dust datum’ of acceptable conditions in spinning, based on sampling with a thermal precipitator and fibre counting using x2000 oil-immersion light microscopy. Burdett (1998) used some of the original equipment to compare measurements . . . [Full Text of this Article]


   MAKING A STANDARD
 

   LATER HISTORY OF THE RISK ESTIMATE
 

   PROGRESS OF THE STANDARD
 

   CONCLUDING DISCUSSION
 

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