Document 6w6xKDQ1Yx8waMxk7n348V7LE

PLAINTIFF'S FX1I1H1T FJ) 1619 a Dooember 1967 U:c H E Ayer B.S. Division of. Occupational U jS oP oH #S j 1014 Broadway Cincinnati, Ohio, U.S.A, Health Dear Mr Ayer, 1 understand that you have recently he on investigating: the generation of free asbestos arising from the decomposition of brake shoes.. T.hi s is a subject which we are concerned with at the moment., particular! y vd th regard to service ope rati on ft involving the cleaning of lirako assemblies by compressed air jets, 1 should bo most interested to receive from you any of your publications which relate to this probJ. cm and* in particular, to hear of any views which you may have regarding the state of the asbestos in the duet which accumulates in automobile brake drums. Kind regardSi Yours sincerely Dr D E Hickish Industrial Hygiene Specialist 33M> Room 1/163 DEH/VJ8 8006 119S PRODUCED BY FORD