This testimony discusses (1) the findings from GAO’s March 2008 report Chemical Assessments: Low Productivity and New Interagency Review Process Limit the Usefulness and Credibility of EPA’s Integrated Risk Information System and related testimonies and (2) GAO’s preliminary evaluation of the revised IRIS assessment process EPA issued on May 21, 2009. For this testimony, GAO supplemented its prior audit work with a preliminary review of the new assessment process and some IRIS productivity data.