| Acronym | Meaning |
| LOMI | Low Oxidation-state Metal Ions |
| NGWA | National Ground Water Association |
| QEEC | Quasimol. Extended Elementary Cell (for Electronic Structure Calcns. Of Crystals) |
| CTE | Charge-transfer Efficiency |
| VMS | Vehicle Management System |
| MEPAS | Multimedia Environmental Pollution Assessment System |
| LTER | Long Term Ecological Research |
| NESC | National Environmental Supercomputing Center |
| PVA | Polyvinyl Alcohol |
| SC | Surface Capacitance |