| Acronym | Meaning |
| CWC | United Nations Chemical Weapons Convention |
| PVAL | Polyvinyl Alcohol |
| LTER | Long Term Ecological Research |
| ECISDTQ | Size-extensive CISDTQ |
| CAIR | Comprehensive Assessment Information Rule (USEPA) |
| INDO/S | Intermediate Neglect Of Differential Overlap Screened Approxn. |
| R-GVB | Resonating-generalized Valence Bond (wave Function) |
| PIERS | Polarized Infrared External Reflection Spectroscopy |
| ICR | Information Collection Rule |
| EESI | Environment And Energy Study Institute |