| Acronym | Meaning |
| HALT | Hydrate Addition At Low Temperature (for Sulfur Dioxide Removal From Flue Gases) |
| ISOF | Insoluble Org. Fraction (e.g. |
| PACT | Process Automation Configuration Tool [EPRI Software] |
| DBP | Disinfection By Product |
| ECRC | Environmental And Contaminants Research Center |
| UCI | Ultrasonic Contact Impedance |
| HAART | Highly Active Antiretroviral Therapy |
| CIRRUS-1A | Cryogenic IR Radiance Instrumentation For Shuttle |
| NDSC | Network For The Detection Of Stratospheric Change |
| MRS | Minimum Required Strength |