Document Y32V4zdqZgO0YO7k1dN66dw0

November I S, 1947 Dr . Rob er t Keh oe, D i r e c t o r , Ketterin g Laboratories, Un iver sit y of Cin cin n at i, Cin cin n at i, Ohio. . . . Dear Dr . Keh oe: . Y/e h ave w r i t t e n t o D r . Sa p p i n g t o n r e l a t i v e t o m a t e r i a l o f r e c e n t d at e on le ad a b so r p t i o n . Dr. Sap p in gt o n a d v ise d us to forw ard our r e q u e st to you. R e lat iv e to th e ceramic in d u st r y what m at er ial of r e ce n t dare i s t h e r e a v a i l a b l e on t h e l e a d p r o b l e m , p a r t i c u l a r l y a s i t r e l a t e s t o t h e a b so r p t i o n of l e a d s i l i c a t e i n human t i s s u e s . Your h e l p an d s u g g e s t i o n s w i l l be a p p r e c i a t e d . P l e a s e a d v i s e . With ' Kin dest r e ga r d s, I rem ain , Very tr u ly yours, r f/ a s R u s s e l l Frank:, D i r e c t o r , Sa fe t y and P e r so n n e l. KF 0015687 N19627 c.