| Acronym | Meaning |
| RPV | Reactor Pressure Vessel |
| MNDO-PM3 | Modified Neglect Of Diatomic Overlap-parametric Method |
| SOIC | Small Outline Integrated Circuit |
| MRINDO/S | Modified Rydberg Intermediate Neglect Of Differential Overlap/spectral (or Screening) |
| NSPS | New Source Performance Standards |
| ICC | Interstate Commerce Commission |
| PSD | Pore Size Distribution |
| HEATRT | Heat Rate [EPRI Software] |
| SBIR | Small Business Innovative Research Program |
| BIA | Biochemical Induction Assay |