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Risk Assessment
Risk Assessment and Federal Guidance Programs:  

Risk Assessment

EPA's Risk Assessment Program develops and uses computer models to assess risk to humans from radioactively contaminated sites and from air emissions. These models are also used to demonstrate compliance with National Emissions Standards for Hazardous Air Pollutants for Radionuclides.

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Risk Assessment Tools

Model Software
The models are used for demonstrating compliance or assessing dose and risk. Certain models may be used to demonstrate compliance with 40 CFR 61, Subpart H and I.

Radionuclide (HEAST) Tables
The Radionuclide Table, formerly HEAST Table 4, lists ingestion, inhalation and external exposure cancer slope factors (risk coefficients for total cancer morbidity) for radionuclides in conventional units of picocuries (pCi).

News & Information

The publications list provides access to and descriptions of reports and other publications on developing and using EPA's risk assessment models.

Related Links
provides links to other federal and state Web sites with related information.


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