| Acronym | Meaning |
| EFRTS | External-floating-roof Tanks |
| ISF | Interstitial Fluid |
| MWEP | Monofilled Waste Extraction Procedure |
| DTPMP | Diethylenetriaminopenta(methylenephosphonic Acid) |
| CYCLOPS | Cyclically Ordered Phase Sequence |
| IIRF | Infinite Impulse Response Filter |
| CMS | Comprehensive Modeling System |
| JAIE | Japan Association Of Ion Exchange |
| LUFT | Leaking Underground Fuel Tank |
| ASTER | Assessment Tools For The Evaluation Of Risk |