Peer Review Drafts
Draft IRIS assessments are released for review by an independent panel of scientific experts ("peer review draft"). The public can attend the peer review meeting and
offer comments on the peer review draft.
External Review Drafts
1. Benzo[a]pyrene: Sep 2014: IRIS Toxicological Review of Benzo[a]pyrene (External Review Draft)
2. Formaldehyde: Jun 2010: IRIS Toxicological Review of Formaldehyde (Inhalation) (External Review Draft 2010)
3. N-Butanol: Aug 2011: IRIS Toxicological Review of n-Butanol (External Review Draft)
4. Polycyclic Aromatic Hydrocarbon: Jan 2010: Development of a Relative Potency Factor (RPF) Approach for Polycyclic Aromatic Hydrocarbon (PAH) Mixtures (External Review Draft)
5. RDX: Sep 2016: IRIS Toxicological Review of Hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) (External Review Draft)
Revised Draft Assessments
1. Ammonia: Aug 2013: IRIS Toxicological Review of Ammonia (Revised External Review Draft)