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Lead Toxicity : Current Concerns

By Goyer, Robert A.

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Book Id: WPLBN0000059565
Format Type: PDF eBook
File Size: 0.8 MB
Reproduction Date: 2005

Title: Lead Toxicity : Current Concerns  
Author: Goyer, Robert A.
Volume:
Language: English
Subject: Government publications, United Nations., United Nations. Office for Disarmament Affairs
Collections: Government Library Collection, Disarmament Documents
Historic
Publication Date:
Publisher: United Nations- Office for Disarmament Affairs (Unoda)

Citation

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Goyer, R. A. (n.d.). Lead Toxicity : Current Concerns. Retrieved from http://worldebooklibrary.com/


Description
Government Reference Publication

Excerpt
Introduction: Over the 20-year period since the first issue of Environmental Health Persoecrives was uublished. there has beenconsiderable urogress in the understanding of the wtential toxicity of exwsure io lead. Large numbers of Ccientisk and institutions have contributed to these accomdishments and it is fitting that Volume 100 of EHP recognize &e achievements that haveoccurred over the li(el ithe journal. Somu 2Ui1r 25 year. ago. rhu pathological dehirpllon\< >I lead tohcit! con>t\ted large!) of clniiall! discernible effects and changes that could be seen in tissues under the microscope (I). At that time, permissible occupational exposure to lead was limited to a blood lead (PbB) level of 70-80 pgidL. PbB levels among people in the general population were 20-30 pgidL, and levels in children above 40 pgidL were recognized as indicative of lead toxicity. Nevertheless, over the past 2 decades there has been growing awareness and concern that toxic biochemical and functional effects were occurringat lower levels of exposure than those that produced overt clinical and pathological signs and symptoms. These concerns were expressed in a tentative way in the 1972 National Academy of SciencesiNational Research Council report (2), which focused on effects of airborne lead in gasoline and in a later World Health Organization Criteria Document (3).


 

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