| Acronym | Meaning |
| ARRPA | Air Resources Regional Pollution Assessment Model |
| DCQAP | Data Collection Quality Assurance Plan |
| ESMO | Excited-state Molecular Orbital |
| CASSCF | Complete Active Space-self Consistent Field |
| MIKE | Mass-analyzed Ion Kinetic Energy (spectrometry) |
| DWPL | Drinking Water Priority List |
| CHD | Coronary Heart Disease |
| DTBP | Di-tert-butyl Peroxide |
| CMC | Coupled Multiconfiguration |
| TOD | Total Oxygen Demand |