| Acronym | Meaning |
| NUR | Nitrate Utilization Rate |
| IMAPS | Interstellar Medium Absorption Profile Spectrograph |
| QMRE | Quantum Mechanical Resonance Energy |
| LSRA | Least-squares Regression Analysis |
| COPC | Contaminants Of Potential Concern |
| TTHM | Total Trihalomethane |
| SALSA | Scoring Algorithm For Spectral Analysis |
| VFOT | Variant Fock Operator Technique |
| SRAPW | Scalar Relativistic Augmented Plane Wave |
| WECC | Western European Calibration Cooperation |