| AI | Authorized Inspector(ASME/ National Board Inspector) |
| CAB | Conformity Assessment Body |
| FEED | Front End Engineering Design |
| ITP | Inspection&Test Plan |
| MRB | Manufacturing Record Book |
| NCR | Non-Conformance Report |
| NDT | Non Destructive Testing(synonymous to NDE-Non Destructive Examination) |
| PIM | Pre-Inspection Meeting |
| PMI | Positive Material Identification |
| PPIM | Project Pre-inspection Meeting |
| PQP | Project Quality Plan |
| PQR | Procedure Qualification Record |
| PWHT | Post Weld Heat Treatment |
| QA | Quality Assurance |
| QC | Quality Control |
| QM | Quality Manual |
| QP | Quality Plan |
| TPI | Third Party Inspectorate |
| VPIM | Vendor Pre-inspection Meeting |
| WPS | Welding Procedure Specification |
