| Acronym | Meaning |
| PLC | Programmable Logic Controller |
| BDT | Brittle-ductile Transition |
| PIRU | Public Information Reference Unit |
| FAMA | Fluorescent Antibody Membrane Antigen |
| FSA | Free And Saline Ammonia (e.g. |
| LDV | Light Duty Vehicle |
| MUCT | Multiphase Unsaturated Zone Contaminant Transport Model |
| STIS | Space Telescope Imaging Spectrograph |
| RSD | Risk-specific Dose |
| CV | Coeff. Of Variation |