![[logo] US EPA](https://webarchive.library.unt.edu/eot2008/20081109182211im_/http://www.epa.gov/epafiles/images/logo_epaseal.gif){kind=logo}
Detailed Tracking Report for IRIS Substance Assessment
| Acrylonitrile | Assessment Start Date: 01/02/1998 | Assessment End Date: TBD |
|---|
| Lead Office: | NCEA-IO |
EXPECTED/ACTUAL DATES OF ACTIVITIES AND EVENTS
| Activity/Event | Start Date | End Date |
|---|---|---|
| 1. Draft Development | 07/01/2003 | 05/25/2007 |
| 2. Agency Review | 05/25/2007 | 02/15/2008 |
| 3. Interagency Review | 02/15/2008 | 01/20/2009 |
| 4. External Peer Review | 02/10/2009 | 02/01/2010 |
| 5. Final Assessment/Posting | 02/01/2010 | 03/10/2010 |