| Acronym | Meaning |
| NPTII | Neomycin-phosphotransferase II |
| EFV GTO | Electric-field-variant Gaussian-type Orbital |
| HOMO | Highest Occupied Molecular Orbital |
| NORS | National Organics Reconnaissance Survey (US EPA 1974-1975) |
| WQA | Water Quality Association |
| BCNTF | Biofilm-Controlled Nitrifying Trickling Filter (for Wastewater Treatment) |
| ILS | Ionization Loss Spectroscopy |
| PESM | Photoelectron Spectromicroscopy |
| HWSFD | Hazardous Waste Superfund Database |
| CCGT | Combined Cycle Gas Turbine |