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Integrated Risk Information System

  • IRIS Program Outlook Update

    • Jun 2022: IRIS Program Outlook Updated
  • Assessments in Development

    • IRIS Assessment of Formaldehyde - Inhalation (External Review Draft)  
    • IRIS Assessment of Perfluorohexanoic Acid (PFHxA) and Related Salts (External Review Draft)
    • IRIS Toxicological Review of Perfluorobutanoic Acid (PFBA) and Related Salts (External Review Draft)

    See the Full List of Assessments in Development

  • IRIS External Peer Review Activities

    EPA announces upcoming activities for the following assessments:

    • Perfluorohexanoic Acid (PFHxA) 
    • Mixtures Modeling Methods: Applications for Assessing PCBs 

    See the Full List of IRIS Events

  • IRIS Handbook - Nov 2021 (NAS Review)

    EPA announced the availability of the National Academy of Sciences (NAS) review of the IRIS Handbook (Nov 2020)

    • Learn more about this update on the IRIS Handbook (Public Comment Draft, Nov 2020)

Basic Information

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IRIS Assessments

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Program Materials

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Related Resources

  • Provisional Peer-Reviewed Toxicity Value  (PPRTV) Assessments
  • Assessing and Managing Chemicals under TSCA
  • List of IRIS Chemicals in the Comptox Chemistry Dashboard

Recent Additions

  • 06/24: IRIS Program Outlook Update (Jun 2022)   
  • 06/02: IRIS Assessment of PFBA and Related Salts (Final Peer Review Report)
  • 05/16: IRIS Assessment of Perfluorohexanoic Acid (PFHxA) Peer Review Meeting 
  • 04/14: IRIS Assessment of Formaldehyde-Inhalation (ERD) 
  • More IRIS Recent Additions

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IRIS Calendar

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Calendar

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Last updated on June 24, 2022
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