| Acronym | Meaning |
| MSL | Mean Sea Level |
| FUGH | FREEON Unitary Group Formulation (of Hartree-Fock Theory) |
| EMA | Ethylene Methyl Acrylate |
| NEDS | National Emission Data System (USEPA) |
| LCCW | Linear Combination Of Configurational Wave Functions |
| ABG | Arterial Blood Gas |
| BOO | Bond Orientational Order |
| ACATS | Airborne Chromatograph For Atmospheric Trace Species |
| OEA | Occupational Exposure Assessment |
| PWRI | Public Works Research Institute (Japan) |