Document ppEorxRvx2xd09dBn14qQd5JX

October 26* 1938 Dr, Carl M* Hlllenbrand Plant Physician Harrison Radiator Division Lockport* Illinois Dear Doctor Hlllenbrand: We have received the blood samples which yon sent and we have completed the analyses* On sample vms analysed by the Spectrographic Method and the other by the Dithisone Method* the former yielding 0*025 milligrams per 100 grams of blood* and the latter 0*03* ^ose results are in complete confirmation of each other and are also in confirmation of our previous opinion that this man has had no recent significant lead exposure* The results on the urine samples will be sent to you' promptly when they have been completed, I shall be assay from the laboratory for several days but the information will be forwarded to you. Very truly yours* RAX: is KoberV 'A, Reh'oe, M.D. K oo f\ ,p\ iA ' > c