Document zRY0er8bz4y944w1wDQ0yeg6

Saranac to1T94e8xt Toxi.ci. ty Toledo 1, Ohio were conducted and the results obtained. It is my impression that this stems in large part Irom certain administrative and financial difficulties precipitated perhaps by mutual misunderstanding. I am unable to identify a weakness In our scientific approach and must take exception to your view that reports of value to you have not been forthcoming. February 2, 1943 - Two samples of "Hydrous Calcium Silicate'' (Rotoclone Dust and Sander Dust) - received from Owens-Illinois Glass Co. May 31. 1944 - Report submitted by the Saranac Laboratory identifying the In vestigations made and the results thereof. 0) Rotoclone C X-ray diffraction studies Petrographic studies Animal essays monary parenchyma to such Realizations is so sluggish. Believe me. it demands extreme patience on our part to wait until the desired period of time has elapsed to warrant positive conclusions concerning the potential toxicity of dust when inhaled. I Bm certain. Mr. Bowes, that you are aware of the above and that you appreciate also the impossibility of forecasting either the results of research or the time necessary to conduct it. All we can hope for is a confidence that the investigations will be pursued as rapidly and efficiently as possible. Again, Mr. Bowes, I would be pleased to have your comments. We are proceeding with the Investiga tions In accordance with your authorization. April 26, 1948 American Structural Products Company It demands extreme patience on our part to wait until the desired period of time has elapsed to warrant positive conclusions concerning the potential toxicity of dust when inhaled.