IRIS Toxicological Review of 1,4-Dioxane (External Review Draft, 2009)
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EPA is conducting a peer review and public comment of the scientific basis supporting the human health hazard and dose-response assessment of 1,4-dioxane that when finalized will appear on the Integrated Risk Information System (IRIS) database. Please refer to IRISTrack - 1,4-dioxane for the latest schedule updates.
This assessment contains the derivation of a chronic reference dose and cancer oral slope factor.
|Aug 1988||EPA released the assessment for 1,4-Dioxane.|
|Oct 2003||The IRIS reassessment of 1,4-dioxane was initiated.|
|May 2009||EPA released an external review draft for public review and comment.|
|Jun 2009||EPA announced a public listening session to be held July 6, 2009 and an external peer review workshop to be held on August 17, 2009 for the draft review report. A correction notice was posted on June 17, 2009 to confirm the listening session date as July 6, 2009.|
|Nov 2009||EPA releases the comments from the public comment period and external review workshop.|
This download(s) is distributed solely for the purpose of pre-dissemination peer review under applicable information quality guidelines. It has not been formally disseminated by EPA. It does not represent and should not be construed to represent any Agency determination or policy.