| Acronym | Meaning |
| AMPS | Airborne Multisensor Pod System |
| CNOC | Commission On Nomenclature Of Organic Chemistry |
| NDSL | Non-Domestic Substances List |
| RPSA | Rapid Pressure Swing Adsorption |
| IMSD | Information Management And Services Division |
| QAMB | Quality Assurance Materials Bank (USEPA) |
| RVS-SCF | Reduced Variational Space-self-consistent Field (in Quantum Calcns. On Hydrogen Bonding) |
| CAS-SCF | Complete Active Space SCF (a CI-type Method) |
| FORS | Fully Optimized Reaction Space |
| ASTRAP | Advanced Statistical Trajectory Regional Air Pollution Model |