| Acronym | Meaning |
| IALLW-CAT | Isotope Area Liquid Low-level Waste Collection And Transfer |
| APC | Adenomatous Polyposis Coli |
| ROFA | Rotating Over Fire Air (boiler Firing) |
| NRA | National Rivers Authority (UK) |
| HPAEC | High-performance Anion-exchange Chromatography |
| CMIR | Carter Maximum Incremental Reactivity |
| UFL | Upper Flammable Limit |
| FWE | Faddeev-Watson Expansion (for T-operator In Atomic Collisions) |
| MCC | Microcrystalline Cellulose |
| ORD BBS | ORD Electronic Bulletin Board System |