| Acronym | Meaning |
| ACM | Adiabatic Channel Model |
| MUCT | Multiphase Unsaturated Zone Contaminant Transport Model |
| TC-GME | Time-convolution Generalize Master Equation (in Quantum Tunneling Calcns.) |
| BSI | British Standards Institute |
| EGRIS | Emissive Gamma-ray Imaging And Spectroscopy |
| DEGM | Degenerate Electron Gas Model |
| HAZW | Hazardous Waste Collection Database (accessible Through OLS) |
| FR | Federal Register |
| RUP | Restricted Use Pesticide |
| ERIS | Electrochemically Regenerated Ion Suppressors |