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Cleanup Levels Calculator

Using the CL Calculator

Do you have a previously saved file?
(dated 2023-08-22 or newer)
File Number:
Do you want to use the same chemicals and chemical info type?
Save feature information click here.
Save Info
  • We only save files for 30 days
  • To save a file for longer, revisit the page and resave your work
  • To get a populated dropdown menu with recently saved files, you must have COOKIES enabled in your browser
  • Remember to always keep a reference of your file number

Select Hazard Quotient

Select Target Risk

Select Scenario

Select Precipitation Zone

Select Cleanup Level 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

Number of Extra Chemicals

Use this option to calculate cleanup levels for chemicals not in the database. You will be asked to fill out the form for toxicity values and chemical-specific parameters on the next page.

Or Select All

Or Select by Category

Select Include Metadata