EPA Dioxin Assessment Understates Uncertainties, May Overstate Cancer Risk
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July 11 -- EPA comprehensively reviewed the scientific literature in a draft assessment of the health risks of dioxin, but it did not adequately quantify the uncertainties associated with the risks, nor did it adequately justify the assumptions used to estimate them, says a new National Research Council report. Using different assumptions may result in a lower estimated cancer risk for humans exposed to low doses of dioxin and related compounds.