| Acronym | Meaning |
| ROFA | Rotating Over Fire Air (boiler Firing) |
| TCA | Turbulent Contact Absorber |
| AIR RISC | Air Risk Information Support Center |
| CTA | Cellulose Triacetate (Reg: 9012093) |
| MRF | Magnetorheological Fluid |
| UHF | Unrestricted Hartree-Fock |
| ATOFMS | Aerosol Time-of-flight Mass Spectrometry |
| GOMS | Gulf Of Mexico Seawater |
| MSFA | Monosegmented Flow Analysis |
| RITS | Radiatively Important Trace Species |