Contact: Scott Jensen (202) 249-6511  

WASHINGTON, D.C. (June 7, 2012) - The Environmental Protection Agency announced earlier this month the launch of its draft  Integrated Risk Information System (IRIS) health assessment for ammonia. In response, the following holding statement can be attributed to the American Chemistry Council:

"EPA has missed another opportunity to fully adopt the NAS recommendations and make the necessary changes to improve IRIS. While it is encouraging that the Agency recognizes the importance of streamlining assessments, it is also absolutely critical that EPA provides the scientific justification for decisions in a credible and understandable manner. Unfortunately, it is not clear how the Agency evaluated the data and used a weight of evidence framework to reach their final conclusions. In addition, we are concerned that the new preamble appears to provide a selective discussion of EPA guidance and practices instead of the explicit criteria and documentation that NAS requested."


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