| Acronym | Meaning |
| NPC | Niemann-Pick Type C Disease |
| APW | Augmented Plane Wave |
| UVPES | Ultraviolet Photoelectron Spectroscopy |
| HWSFD | Hazardous Waste Superfund Database |
| DIANE | Direct Information Access Network For Europe |
| MSX | Midcourse Space Experiment |
| PDES | Preliminary Draft Environmental Statement |
| NMMO | N-methylmorpholine N-oxide |
| CDO | Controlled Decomposition/oxidation |
| CSO | Combined Sewage Overflow(s) |