| Acronym | Meaning |
| WMO | World Meteorological Organization |
| GRO | Gasoline-range Organics |
| EBB | Electronic Bulletin Board |
| BIIR | Brominated Isobutene-isoprene Rubber |
| MDS | Matrix-diagonalization Sudden Approximation (for Atom Surface Scattering Calcns.) |
| ORD | Office Of Research And Development (USEPA) |
| LCIF | Linear Combination Of Interacting Forces |
| OEO | Overlap-enhanced Orbital |
| EIAP | Environmental Impact Analysis Process |
| HGMF | High Gradient Magnetic Filtration |