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IRIS Toxicological Review of Ammonia (2012, External Review Draft)
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|May 1991||The RfC for ammonia was posted to the IRIS database.|
|Mar 2012||EPA hosted an interagency science consultation meeting on the review of the draft Toxicological Review of Ammonia.|
|Jun 2012||EPA released the external review draft of the ammonia assessment for public review and comment. [Federal Register Notice Jun 8, 2012]|
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