IRIS Toxicological Review of Hydrogen Cyanide and Cyanide Salts (Interagency Science Discussion Draft)
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EPA is releasing the draft report, Toxicological Review of Hydrogen Cyanide (HCN) and Cyanide Salts, that was distributed to Federal agencies and White House Offices for comment during the Science Discussion step of the IRIS Assessment Development Process. Comments received from other Federal agencies and White House Offices are provided below with external peer review panel comments.
|Jan 1987||EPA posted an assessment for cyanide salts (RfD only).|
|Sep 1994||EPA posted an assessment for hydrogen cyanide (RfC only).|
|Jun 2004||The draft IRIS reassessment of hydrogen cyanide was started.|
|Sep 2009||EPA released an external review draft of the assessment for public review and comment.|
|Oct 2009||EPA announced a public listening session to be held on October 27, 2009. [Federal Register Notice Sep 23, 2009]|
|Nov 2009||EPA announced an external peer review workshop to be held on December 14, 2009. [Federal Register Notice Nov 10, 2009]|
|Jan 2010||EPA released the comments from the public comment period and external review workshop.|
|Aug 2010||EPA hosted an interagency science discussion on the review of the draft document.|
|Sep 2010||EPA released the final toxicological report and IRIS Summary for Hydrogen Cyanide and the interagency review draft with comments.|