This is our report on the actions the Chemical Safety and Hazard Investigation Board (CSB) took to address prior U.S. Government Accountability Office and Office of Inspector General audit recommendations. This report represents our final position on the subjects reported. On December 23, 2010, you provided a response to our draft report. You concurred with the findings and recommendations and provided an action plan with milestone dates for completion. Therefore, a response to the final report is not required. CSB should continue to track corrective actions not yet implemented.