Document 15adbnbq1eOVKmvr2Vjvw085E

THE FKOt.'C: AfcEA CCuL' ZZMV'-fCCC CA3LT: rUtt'ARTH CASTOR OIL COMPANY BAYONNE, NEW JERSEY, 07002 ,, ' i July 5, 1972 I I ' Mr- J. Gallagher DuPont Company ' Marshal] Laboratories P.O. Box 3886 \ 3500 Crays Ferry Avenue Philadelphia, Pennsylvania 19146 Dear Mr. Gallagher: . t . We are responding to your concern about the presence of asbestos in Thixscal 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 tests on this asbestos (Calidria HG-144) and we have their assurance it is non-carcinogenic. Very truly yours, * ,-'%J r?r MICS/beii . M.K. Smith, Manager Technical Division >275 DUP 0902776 SC-DP-03735