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Integrated Risk Information System

  • IRIS Assessments

    Assessments in Development:

    • Naphthalene (Protocol)  
    • Ethylbenzene (Protocol)  

    See the Full List of Assessments in Development

  • IRIS External Peer Review Reports

    Final Assessments:

    • IRIS Toxicological Review Perfluorobutanoic Acid (PFBA)   

    IRIS Assessment Peer Review Reports:

    • IRIS Assessment of Perfluorohexanoic Acid (PFHxA) and Related Salts
    • IRIS Toxicological Review of Perfluorobutanoic Acid (PFBA) and Related Salts

    See the Full List of updates and recent additions

  • IRIS Handbook - Dec 2022

    EPA announced the availability of the ORD Staff Handbook for Developing IRIS Assessments,

    • Learn more about the IRIS Handbook (Dec 2022)
  • IRIS Program Outlook Update

    • Feb 2023: IRIS Program Outlook Updated  

Basic Information

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IRIS Assessments

  • Browse A to Z List of Chemicals
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  • Assessments in Development

Staying Connected

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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

  • 3/29-3/31 : Chromium Peer Review Meeting
  • 3/17:  Protocol for the Naphthalene IRIS Assessment  Deadline for comments is April 17th   
  • 2/27: IRIS Program Outlook Update (Feb 2023)  
  • 2/16:  Protocol for the Ethylbenzene IRIS Assessment  Deadline for comments is March 20th   
  • 12/22: IRIS Handbook (2022) 
    [Press Release Dec 22, 2022]
  • 12/22: IRIS Toxicological Review Perfluorobutanoic Acid (PFBA) (Final, 2022) [Press Release Dec 22, 2022]

More IRIS Recent Additions

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IRIS Calendar

  • Public meetings & workshops - list view
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Calendar

Contact Us to ask a question, provide feedback, or report a problem.
Last updated on March 17, 2023
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