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Addressing Lead at Superfund Sites

Key Links for Risk Assessors

Bioavailability Guidance at the Assessing Relative Bioavailability in Soil at Superfund Sites page.

Frequent Questions about the IEUBK Model and the Adult Lead Methodology

Download the Windows®-based version of the IEUBKwin (August, 2007)

Superfund Risk Assessment

Anaconda mine site
Lead mine cleanup site
in Anaconda, Montana.

Lead contamination at Superfund sites presents a threat to human health and the environment. This Web site describes EPA’s approach to addressing those risks, and the challenges of remediating lead contamination at Superfund sites.

This site also provides information to risk assessors at Superfund sites about how to use the Integrated Exposure Uptake Biokinetic (IEUBK) model and the Adult Lead Methodology (ALM) to estimate the concentration of lead in the blood of children, pregnant women, and their developing fetuses who might be exposed to lead-contaminated soils. The level to which EPA remediates lead contamination at Superfund sites is in large part determined by risk assessors' application of the IEUBK model and the ALM to estimate blood lead concentrations, which can then be correlated to estimate possible adverse health effects in persons who have been exposed.

Basic Information - contains basic information on why the issue of lead contamination at Superfund sites is important, what EPA is doing about it, and other resources to learn more.

Human Health - contains an overview of lead in the environment and information on lead exposure, including health symptoms and diagnosis.

Lead Risk Assessment - contains information on the risk assessment process and EPA's approach to lead risk assessment at Superfund sites.

Software and Users' Manuals - contains free downloads of lead risk assessment software (such as the IEUBK model and Adult Lead Methodology) and users' manuals.

Related Links - contains links to Web sites of interest.

Guidance - contains free downloads of technical reports, guidance documents, and short sheets related to lead risk assessment issues and software.

Frequent Questions - contains answers to frequent questions on lead risk assessment issues, the IEUBK model, and the Adult Lead Methodology.

Technical Assistance - provides instructions for obtaining technical assistance and training materials on the use of the IEUBK model and Adult Lead Methodology. Also contains information on EPA workgroups that focus on lead issues at Superfund sites.

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