Integrated Risk Information System

IRIS Program Outlook Update

• Feb 2022: IRIS Program Outlook Updated

IRIS External Peer Review Activities

EPA announces upcoming activities for the following assessments:

• Perfluorobutanoic Acid (PFBA) (Feb 22, 2022)
• Perfluorohexanoic Acid (PFHxA) (TBD)

See the Full List of IRIS Events

Assessments in Development

• IRIS Assessment for Perfluorohexanoic Acid (PFHxA) and Related Salts (External Review Draft) 
• IRIS Assessment for Perfluorobutanoic Acid (PFBA) (External Review Draft)

See the Full List of Assessments in Development

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)