The Risk Assessment Information System

RAIS Chemical PRG Calculator

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(dated 2023-09-03 or newer)
File Number:
Do you want to use the same chemicals and chemical info type?
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Using the PRG Calculator

Target Risk






Target Hazard Quotient





Select Scenario









*Indoor worker includes industrial tap water

Select Media







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Select PRG type




Select Chemicals Data Source




Select RfD/RfC Type



*Chronic selection will retrieve Chronic-only RfDs/RfCs; Subchronic selection will first retrieve subchronic values where possible and then use chronic values.

Select Chemicals of Interest

Available


Selected






ⓘ To calculate for a chemical not listed, choose "Site Specific" and "User-Provided" above
and then select "Test chemical" in the Chemicals list.

Or Select All




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