Document 85r7O7GLbRaxqg45RnQRQLYD5

1 airborne dust trial. ts showed that ent, compared gest that there ng its use as a > whether they e testing dyna* uced from bus latter instance, naximum tern* ns, the binder ulk lining tern* ``ace remains lining and asbestos. The >ut a different s paper, com* is forsterite, a if brake drum d of an amorhat time about to evidence to :d not be dis.A. naintenarice is , the personal r exposure, ike cleaning to ng procedures d towards the Exposure lo asbestos during brake maintenance 21 introduction of "dow-line" servicing ht Dealers works, in which one individual may he engaged almost entirely on brake servicing, emphasises this point. Our environmental studies have not included maintenance procedures which in volve the filing or grinding of brake lining material, and wc would envisage that these would give rise to considerably increased air contamination by chrysolite asbestos, with the attendant need for strict precautions to prevent the inhalation of fibres. REFERENCES Committee on Hvoienc Standards, British Occupational Hvoiens Society (1968) Hygiene Stamfords for Chrysolite Asbestos Dust, Pergamon Press, Oxford. Holmes, S. (1967) Private communication. Lynch, J. R. (1968)7. Air Pollnt. Control Ass. 18,824. Adi Urn m U 4 8004 0653 *,Wm.'W-A*V&F'W-l'L