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Waste and Cleanup Risk Assessment

The RSL semiannual update is currently in progress. Calculator results may differ from the values in the download tables.

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

Hover over any form section for instructions about the individual selection and requirements.


Select Screening Level Type


Select Hazard Quotient





Select Target Risk






Select Scenario










Select Media:







Select Screening Level Choice





Select Risk Output




Select RfD/RfC Choice




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

Select Chemicals


Select Include Metadata



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