| Acronym | Meaning |
| FEG | Field Emission Gun |
| NDO | Neglect Of Differential Overlap |
| SQM | Scaled Quantum Mechanics (in Ab Initio Calcns.) |
| ACF | Activated Coke Fines |
| IAQP | Indoor Air Quality Program |
| PBT | Poly(butylene Terephthalate) |
| CGRC | Crop Growth Research Chamber |
| LNDO | Local Neglect Of Differential Overlap |
| RSD | Relative Standard Deviation |
| CLD | Certainly Lethal Dose |