| Acronym | Meaning |
| VRLA | Valve-regulated Lead-acid (batteries) |
| NEWWA | New England Water Works Association |
| PAC | Polyaluminum Chloride |
| VEH | Valence Effective Hamiltonian Method (for Electronic Structure) |
| DCQAP | Data Collection Quality Assurance Plan |
| ECG | Ecosystem Conservation Group |
| AICUZ | Air Installation Compatible Use Zones |
| HFRR | High Frequency Reciprocating Rig |
| VPEEM | Valence Band Photoemission Electron Microscopy |
| MC CMO | Multiconfigurational Complex Molecular Orbita |