Document 6zJ7gapyZd7J6G6Ba5yxnXR

December X, Jon L. Konzen, M.D. Medical Director Owens-Corning Fiberglas Corporation P.0. Box 901 Toledo, Ohio 43601 Dear Doctor Konzen: Thanks for your letter of December 11, which clears my way considerably. You may be sure that I shall check with you further should there be a need. Cordially yours, /! RAX: wb Robert A. Kehoe, M.D. Professor Emeritus of Occupational Medicine *(p S 00811