| Acronym | Meaning |
| LCR | Ligase Chain Reaction |
| BEPR | Biological Excess Phosphorus Removal |
| MVO | Modified Virtual Orbital |
| SIOA | Surface-induced Optical Anisotropy |
| NADAP | National Atmospheric Deposition Assessment Program |
| SOMO | Singly Occupied Molecular Orbital |
| VSIP | Valence State Ionization Potential |
| DRO | Diesel-range Organics |
| BOP | Benzyl Octyl Phthalate |
| SORCE | Solar Radiation And Climate Experiment |