Document k9vMg40dMa50r22Rb1yJVr7EV

/ TRANSLATION /' Our Ref. 30.856 JB/cd - D. Paturages, September 3* 1964 R. Emmet Kelly, M. D. Medical Director Monsanto Company St. Louis, Missouri Dear Dr. Kelly: Thank you very much for your letter of August 26, re garding the toxicity of Pydraul P.9 fluid. The laboratory tests we have conducted have also proved the non-toxlclty of the product, thus confirming what you have said. Nevertheless, we had had no experience on the subject of long term toxicity, and I am pleased to note that you have experienced no toxicity among the employees at the manufacturing plant, who for many years have been exposed to the vapors and aerosols of this fluid throughout the working day. Very truly yours, INSTITUT NATIONAL DES MINES Regional Director of Mines Managing Directorthe I.N.M. S. Demelhnne DSW 586382 i STLCOPCB4091716