| Acronym | Meaning |
| DFPT | Density-functional Perturbation Theory |
| ARRP | Ammonia Removal And Recovery Process |
| CSA | Coupled Static Approxn. (in Scattering Calcns.) |
| HWIR | Hazardous Waste Identification Rule |
| SALS | Small-angle Light Scattering |
| NDB | Nondefective Bonding |
| PIPS | Passivated Implanted Planar Silicon |
| DASHO | Designated Agency Safety And Health Official |
| PED | Potential Energy Distribution |
| HEATRT | Heat Rate [EPRI Software] |