As part of its periodic review of national ambient air quality standards (NAAQS), the US EPA has recently released a final ISA for lead and lead compounds. Running to nearly 2000 pages, the document covers in detail the available evidence for (and against) lead as the causative agent of various human health and environmental effects. The Agency concluded that there was strong evidence substantiating the health effects and some ecological endpoints following lead exposure. Particularly significant is the evidence of detrimental effects on the development of cognitive function in children, even at low levels of exposure. The primary (health-based) and secondary (welfare-based) NAAQS, set at 0.15 μg/m3 in 2008, were retained.

US Environmental Protection Agency (EPA). Integrated Science Assessment for lead. June 2013.



The above item was taken from the August 2013 issue of Toxicology and Regulatory News which is sent automatically to members of bibra (click here for more details).

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