| Acronym | Meaning |
| OLR | Organic Loading Rate |
| DNO | Delocalized Natural Orbital |
| CSIN | Chemical Substance Information Network |
| ARE | Activated Reactive Evaporation |
| AAQS | Ambient Air Quality Standard (USEPA) |
| COH | Coefficient Of Haze |
| AFS | AIRS Facility Subsystem (subsystem Of AIRS) |
| FI | Field Ionization |
| SETB | Semiempirical Tight Binding |
| ITC | Interagency Testing Committee (TSCA) |