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Waste and Cleanup Risk Assessment

Screening Tools for Chemical Contaminants

You will need Adobe Reader to view some of the files on this page. See EPA's PDF page to learn more.

RSL Calculator

Using the RSL Calculator

Select Scenario

Select Media:

Select SL type

Select Risk Output:

Select RfD/RfC Type:

*Chronic selection will retrieve Chronic-only RfDs/RfCs; Subchronic selection will retrieve subchronic values where possible.

Select Individual Chemicals


Or Select Individual CAS Numbers

To add a chemical not in the list, select "Site Specific", "User-provided", then "Test Chemical".

Or Select All

Include Metadata

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