Document X77KLwbnqEvvDM315aM5BwEZJ

Into Ownpany October 29, 1970 tty. V. Villeiw Safety Snglar General Parts tii.Yi.aXoa Sheldon Road Plant Subject: Industrial Hygiene Bvaluat.oa of w&llaetoolte and Atta^ul^us Clay eua Substitutes for Asbestos V-a fca<" r&Ytotoaik the chenical composition provided on the two avbject EAtarialo with regard to their toxicity in potential dust exposures. Based on the analysis, ve vould expect voilastonite to tove the mws physiological reaction as asbestos when inhaled as a fine dust. `sS>' Attepulgue Clay cm the other hand appear# to be eoxpoeed aaunly of calciuB wtaellicate. Very little le snoen regarding the physiological reactions of this eoapound, however, based on the reaction of silicates in general, ve vould consider this product to b9 safer than asbestos vbere dust exposure exists. If you reftuJ.T\ further Information fraa an industrial hygiene vciut, cf v.cjv, plaaos let .? know. r\ Ce. i'.o Ruatia# A. Ruggiero Paul S. Both, Supervisor Industrial Hygiene Unit Employe See1th Services Bepartnent Xavlronaental Health Section ?! 8006 1906 PRODUCED BY FORD SCF-FORD-0669