Document 0N71wKB0a69bpvQOYG2E9JjO

Xeai feinstMfis AoiIatI(fliii,]Snici. 292 MADISON AVENUE NEW YORK. ST. Y. 10017 AREA CODE 212 OR 9-6020 JOHN R. ENGLEHORN, PREStOENT KENNETH W. GREEN. VICE PRESIDENT SIMON D. STRAUSS, VICE PRES ID ElNT WARREN T. TRASK, VICE PRESIDENT JOHN L. KIMBERLY EXECUTIVE VICE PRESIDENT DAVID M. BORCINA SECRETARY AND TREASURER DON g . f o w l e r DIRECTOR OF HEALTw ANO SAFETY 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 appeared;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 pot changed significantly during the past three decades. i Should you; need additional copies of the enclosed reprint, we will be happy to makp them available at no charge. Very truly yours JCR/jv Enclosure James C. Roumas Assistant Director Health and Safety