| Acronym | Meaning |
| IPS | IRR InsPection Rejection Report |
| RPL | Rated Power Level |
| O/R | Oxygen Relief |
| BCRD | Basic Consolidated Requirements Document |
| RF | Communications Support |
| CRD | Change Request Disposition |
| ICF | Interface Control Function |
| MPSR | Multipurpose Support Room |
| HYD | HYdraulics |
| ELMCH | Electromechanical |