2009 Calendar of Events
| Date | Event |
| January 21 | PERD Update Meeting Air Products & Chemicals, Allentown, PA |
| February 3 | Houston (General Meeting) |
| February 25 | PERD Update Meeting Air Products & Chemicals, Allentown, PA |
March 18 |
PERD Update Meeting Air Products & Chemicals, Allentown, PA |
| April 15 | PERD Update Meeting Air Products & Chemicals, Allentown, PA |
| May 19 | PERD Update Meeting Air Products & Chemicals, Allentown, PA |
| June 9 | Web Conference (General meeting) |
| July 15 | PERD Update Meeting Air Products & Chemicals, Allentown, PA |
| August 18 | PERD Update Meeting Air Products & Chemicals, Allentown, PA |
| September 16 | PERD Update Meeting Air Products & Chemicals, Allentown, PA |
| October 21 | Web Conference (General Meeting) PERD Update Meeting |
| November 18 | PERD Update Meeting Air Products & Chemicals, Allentown, PA |
| December 9 | PERD Update Meeting Air Products & Chemicals, Allentown, PA |