| Acronym | Meaning |
| FCSA | Frequency-corrected Sudden Approxn. (in Mol. Collision Calcns.) |
| EGA | Evolved Gas Analysis |
| SOGVB | Strongly-orthogonal Generalized Valence-bond (wave Function) |
| ESEM | Electron Spin Echo Modulation |
| IEF | Isoelectric Focusing |
| SNAP | System For Nuclear Auxiliary Power |
| SCAIS | Simulation Code For Atm. IR Spectra |
| NADP | National Atmospheric Deposition Program |
| B3LYP | A Density Functional Method Due To Lee |
| VISITT | Vendor Information System For Innovative Treatment Technology (US EPA) |