| Acronym | Meaning |
| VFA | Volatile Fatty Acid |
| CNDO | Complete Neglect Of Differential Overlap |
| NRC | National Response Center |
| FCF | Franck-Condon Factor |
| OVD | Optically Variable Device |
| SCA | Self-consistent Approximation |
| RSK | Rajagopal-Singhal-Kimball (local-spin-d. Potential For Electronic Structure Calcns.) |
| IPIECA | International Petroleum Industry Environmental Conservation Association |
| SDFFF | Sedimentation Field Flow Fractionation (particle Analysis) |
| CCAP | Climate Change Action Plan |