| Acronym | Meaning |
| HWGTF | Hazardous Waste Groundwater Test Facility |
| PACS | Physics And Astronomy Classification Scheme |
| CINDO | Closed Shell Intermediate Neglect Of Overlap Method |
| NPS | Nonpoint Source |
| NDO | Neglect Of Differential Overlap |
| AFBR | Anaerobic Fluidized-bed Reactor |
| FOJT | First-order Jahn-Teller |
| OTFT | Organic Thin-film Transistor |
| CAE | Computer-aided Engineering |
| NAPAP | National Acid Precipitation Assessment Program |