| Date | Description |
|---|---|
| 2023-07-02 | delete alias gasification, syngas |
| 2023-07-02 | delete person Dr. David Burns |
| 2023-07-02 | delete person Justin Murphy |
| 2023-07-02 | insert person Cliff Keeler |
| 2023-07-02 | insert person David Maher |
| 2023-07-02 | update person_title Andrew M. Shuff: Director of Industrial Gas Procurement for Celanese; at Large Member => Treasurer of the Executive Committee; Director of Industrial Gas Procurement for Celanese |