| PBR Transition Complete Letter | PBR Transition Qualification Form Complete | - | JAN-19-2018 | 07-0197 |
| Stationary Emergency Engines | PBR Transition Qualification Letter Complete | - | JAN-24-2018 | 07-0197 |
| Source 01, Emergency Stationary Engine | Notice of Authorization (NOA) | R76477 | FEB-28-2019 | 07-0197 |
| Source 01, Emergency Stationary Engine | Notice of Intent (NOI) | R76477 | FEB-26-2019 | 07-0197 |
| Source 02, Emergency Stationary Engine | Notice of Intent (NOI) | R82249 | FEB-06-2024 | 07-0197 |
| Source 02 Emergency Stationary Engines | Notice of Authorization (NOA) | R82249 | MAR-26-2024 | 07-0197 |