| Acronym | Meaning |
| ROBK1 | Relativistic First-order Oppenheimer-Brinkman-Kramers |
| ARIMA | Auto Regressive Integrated Moving Average Model |
| EBS | Engineered Barrier System (for Hazardous Waste Disposal) |
| FTD | Flame Thermionic Detector (gas Chromatography) |
| FUSRAP | Formerly Utilized Sites Remedial Action Program (radioactive Materials Related) |
| AS | Air Stripping |
| EOM | Extractable Organic Matter |
| NELC | Non-exclusion Liquid Chromatography |
| BLTM | Branched Lagrangian Transport [model] |
| RSE | Relativistic Symmetric Eikonal |