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)