Polycyclic aromatic hydrocarbon (PAH) mixtures


The IRIS assessment for this chemical has been suspended/discontinued and toxicity values will not be added to the IRIS database at this time. See the Assessment Status tab for more details. Assessment materials released for public comment during early steps of assessment development are available under the History tab.

Note: The polycyclic aromatic hydrocarbon (pah) mixtures (re)assessment was suspended in Dec 2018, but may be restarted as Agency priorities change.

Assessment Manager(s): James Avery (

Step Assessment Materials Released to the Public Release Date Public Meeting Date
  Suspended 12/2018