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The 1986 U.S. EPA document Air Quality Criteria for Lead (EPA-600/8-83/028 aF-dF) evaluated in detail the latest scientific information concerning sources, routes, and levels of lead (Pb) exposure and associated health effects and potential risks. An Addendum (1986) to that document focuses on additional, newer studies concerning the effects of lead on cardiovascular function and on early physical and neurobehavioral development. The present Supplement to the above materials evaluates further still newer information emerging in the published literature concerning (1) lead effects on blood pressure and other cardiovascular endpoints and (2) the effects of lead exposure during pregnancy or early postnatally on birth outcomes and/or the neonatal physical and neuropsychological development of affected children. The evaluations contained in this Supplement and the 1986 Criteria Document and Addendum are to serve as scientific inputs to decision-making with regard to review and revision, as appropriate, of the National Ambient Air Quality Standards (NAAQS) for Lead.
U.S. EPA. AIR QUALITY CRITERIA FOR LEAD: SUPPLEMENT TO THE 1986 ADDENDUM. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/8-89/049F (NTIS PB91138420), 1989.