| Acronym | Meaning |
| UAQI | Uniform Air Quality Index |
| EPA | Extended Pair Approxn. (in Elec. Cond. Calcn.) |
| POPW | Partially Orthogonalized Plane Wave |
| FPD | Flame Photometric Detector (gas Chromatography) |
| CCFOM | Charche-charge Flux-overlap Modified (model In IR Spectra Calcn.) |
| BEA | Bureau Of Economic Analysis |
| MLEE | Multilocus Enzyme Electrophoresis |
| GLAD | Great Lakes Atmospheric Deposition |
| CIPW | Cross, Iddings, Pirrson, And Washington (for Geology Terminology) |
| ESCR | Environmental Stress Cracking Resistance |