| Acronym | Meaning |
| SCCSA | Self-consistent Central-site Approxn. (for D.-of-states) |
| RITZ | Regulatory And Investigative Treatment Zone |
| LVBS | Linear Variational Basis Set (formalism In Calcns. On Scattering) |
| ASAS | Advanced Solid State Array Spectrometer |
| DCCC | Droplet Counter Current Chromatography |
| EGD | Evolved Gas Detection |
| RSPA | Research And Special Programs Administration (Dept. Of Transportation) |
| HAPEM | Hazardous Air Pollutant Exposure Model |
| MILC | Metal Induced Lateral Crystallization |
| DIR | Diffusion Induced Recrystn. |