| Acronym | Meaning |
| ASDWA | Association Of State Drinking Water Administrators |
| FMIT | Fusion Materials Irradiation Test |
| SIXA | Silicon X-ray Array |
| PCSFC | Packed Column Supercritical Fluid Chromatography |
| ALTER | Acceptable Long-term Exposure Range |
| SCCF | Self-consistent Continued Fraction |
| DAF | Diallyl Fumarate |
| TDO | Truncated Diatomic Orbital (a MO) |
| FOND | Fiber-optic Neutron Detector |
| GMO | Generalized Molecular Orbital |