| Acronym | Meaning |
| PCE | Tetrachloroethylene (perchloroethylene Or Perk) |
| PHA | Process Hazard Analysis |
| PIO | Paired Interaction Orbital |
| ARDE | Aspect Ratio Dependent Etching |
| PFNA | Pulsed Fast-neutron Analysis |
| ERLN | Environmental Research Laboratory Narragansett |
| NSSDC | National Space Science Data Center |
| BRIM | Bladder Reaction Injection Molding |
| EWS | Engineering Workstation |
| VASS | Variable Angle Sampling Spinning |