| Acronym | Meaning |
| ARS | Agricultural Research Service (US Dept. Of Agriculture) |
| FEEM | Field Electron Emission Microscopy |
| RFI | Radio Frequency Interference |
| MOPITT | Measurements Of Pollution In The Troposphere |
| LPC | Light Paraffin Conversion |
| WWCOT | Whisker Wall Coated Open Tubular Column |
| IEPA | Independent Electron Pair Approximation |
| EFH | Extended Fenske-Hall (LCAO MO Method) |
| AUBF | Anaerobic Upflow Biofilter |
| BMV | Berthier-Millie-Veillard Method (semiempirical MO-SCF) |