| Acronym | Meaning |
| RMRCI | Relativistic MR-CI |
| TTHM | Total Trihalomethane |
| EXAMS | Exposure Analysis Modeling System |
| GEP | Good Engineering Practice |
| VPT | Variational Perturbation Theory |
| DENIS | Deep Near-Infrared Survey |
| NEE | Net Ecosystem Exchange |
| SREL | Savannah River Ecology Laboratory |
| RITP | Recycling Isotachophoresis |
| SCAB | South Coast Air Basin |