| Acronym | Meaning |
| AOVB | Atomic Orbital Valence Bond (molecular Wave Function) |
| SASS | Source Assessment Sampling System |
| QUASAR | Quality Simulation Along Rivers (environmental Model) |
| LMR | Laser Magnetic Resonance |
| AEERL | Air And Energy Engineering Research Laboratory (US EPA) |
| SAP | Sampling And Analysis Program |
| PPE | Poly(phenylene Ether)s |
| AQPS | Air Quality Prediction System |
| REP | Relativistic Effective Potential |
| NERC | North American Electric Reliability Council |