What is the receptor population for the Adult Lead Methodology? This body burden is available to transfer to the fetus for several years after exposure ends Gulson et al. Based on the available scientific data, a fetus is more sensitive to the adverse effects of lead than an adult National Academy of Sciences, We assume that cleanup goals preliminary remediation goals, or PRGs that are protective of a fetus will also afford protection for male or female adult workers.
Lead at Superfund Sites: Frequent Questions from Risk Assessors on the Adult Lead Methodology
Lead at Superfund Sites: Risk Assessment | Superfund | US EPA
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Lead at Superfund Sites: Software and Users' Manuals
The science of risk assessment encompasses the analysis of site data, development of exposure and risk calculations, and preparation of human health and ecological impact reports. EPA's risk assessment for lead is unique because a reference dose RfD value for lead is not available. An RfD is typically derived from a concentration below which no adverse effects have been observed. Existing evidence indicates that adverse health effects occur even at very low exposures to lead e.
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