Document 2qpMdNmzwzOEdOgDMgo42kbvN

BRUCE H. DOUGLAS. M. D. Co mmis s io n e r BERT U. ESTABROOK. M. D. DEPUTY COMMISSIONER JOSEPH G. MOLNER. M. D., M. P.H. DEPUTY COMMISSIONER AND MEDICAL DIRECTOR ii& of gSeterii DEPARTMENT OF HEALTH DETROIT, MICHIGAN 1151 Taylor Avenue July 81, 1942 BOARD Wa l t e r J. D6s s in PRESIDENT Br a c e Be e me r Vi c e -p r e s id e n t ROBERT L. NOVY. Vl. D. f r a n k A. Ke l l y . M . D. R. A. Kw - 21. Di" Director, Kettering Laboretery of Applied Physiology College of Medicine University of Cincinnati Cincinnati Ohio Dear Doctor Kehoe: This letter is to inquire whether any data has come to your attention on normal values for lead in blood and lead in urine in human infants and small children. M. children*s hospital of this city has asked this Bureau to analyze samples in cases- of suspected and proven lead encephalitis. It was my thought that in the course of your investigations you may have arrived at some values for normal and for leaded infants and children. I shall greatly appreciate any information you may have on this question. Very truly yours, Bruce H. Douglas, M. D. COMMISSIONER William R. Bradley TnAi e+'t'i a 1 TTtfff-i ana ei+ BUREAU OF INDUSTRIAL HYGIENE lRB:Mw 0020028