Document wKxvLXX6MorgjNojwOr6ykdrJ

--- - ' E. I. du Pont at Nxmouks & Company Wilmington, Dilawank cc R. S. fay T. a. Hatfchaw* names * finishes ocmstmint natuicM m ccvtoofmcxt division July 13, 1972 R. J. HDBZUC, ER HASKELL LAB. AOTO BOOT 3OLDER One of McClurs' s substitutes for asbestos ms Thixssal A purchased from BaJesr castor Oil Co. As can be assn fro* ths attached, this product contains calidrls 103-144 which is ths ssbsstos that McClure used in ths original product! Vs ara puzzlad by thair claim that Calidria >9-144 is non-carcinogenic. Sava you aver hsard of an asbastos that was non-carcinogenic? ESSilhv Attach. J,TU. dS. I. SMATV, jr: '250 received 1 THE :-.0 rKoi;t: AJvUk ccwv >r:u J cxsir. rutVKKH r;:":I CA- STOR OIL COMPANY ___J BAYONNE, NEW JERSEY, 07002 1 July 5, 1572 Mr. J. Gallagher DuPont Company Marshall Leboracoriea P.0. Dox 3880 3500 Cray* Ferry Avenue Philadelphia, Pennsylvania 1914S , . Dear Hr. Gallagher: We are responding to your concern about the presence of asbestos in Thixccal A and possible health hazards. The asbestos ve use is a unique type available from just one mine in California. It is produced and processed by the Union Carbide Corporation. They have run extensive medical teat* on chis asbestos (Calidrla EC-144) and vc have their asaurance it it non-earciaogonic. Very truly yours, ISCS/bclc r.*~ M.K. Smith, Manager Technical Division *275 DUP 0902776