Document 6RMRx2Nb5eBVZyXoQ9yLg45ER

Xea^d!BradiatipIa.Associfatf<ont*,Jm c. i ! 2 9 2 MADISON AVENUE N E W Y ORK, N. Y. 10017 : A R E A C O D E 2T2 OR 9 -6 0 2 0 J O H N R. E N G L E H O R N , P R E S I D E N T : K E N N E T H W. G R E EN , v ic e PRESSENT S IM O N D. S T R A U S S . VICE P R ES ID EN T W A R R E N T. T R A S K , V I C E P R E S I D E N T J O H N L. K I M B E R L Y ; EXECUTIVE VICE PRESIDENT D A V I D M. B O R C I N A SECRETARY AND TREASURER D O N G. F O W L E R d ir e c t o r o f h e a l t h a n o S A rcrr February 28, 1968 Dear Colleague: Enclosed for your information is a reprint of the article "An International Study of 'Normal' Levels of Lead in Blood and Urine" which appeared1;in the July 1967 issue of the Archives of Environmental Health. This is being sent to you because we feel it will be of in terest to you in your work. Of special interest among the findings of this 16-country study is that the average lead levels in the blood of New Guinea aborigines, who lived away jfrom industrialization and motorization, were comparable with those of persons living in industrialized countries. This study and other recenlt investigations /showed* that lead levels in human blood and urine have not changed significantly during the past three decades. i Should you need additional copies of the enclosed reprint, we will be happy to mak them available at no charge. Very truly yours, JCR/jv Enclosure James C. Roumas Assistant Director Health and Safety AA ii N24963