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Regional Screening Levels for Chemical Contaminants at Superfund Sites


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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Right-click and select "Save target as..." to download files.

EquIS Format THQ=1.0 and TR=1E-06

EquIS Format THQ=0.1 and TR=1E-06

SADA Format THQ=1.0 and TR=1E-06

SADA Format THQ=0.1 and TR=1E-06

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