| Acronym | Meaning |
| XMA | X-ray Microanalysis |
| SSGF | Self-consistent Surface Green Function |
| NDUV | Non-dispersive Ultraviolet Analyzer |
| BACER | Biological And Climatological Effects Research |
| CNDO/OPTIC | CI Method For Elec. Transition Moments Of The Optical Transition Of Large Mols. Based On CNDO/S Parametrization |
| D.I. | Direct Injection [of Diesel Engines] |
| ECIST | Estimated Chronic In Stream Toxicity |
| FAM | Friable Asbestos-containing Material |
| PSDF | Power Systems Development Facility |
| SUPERDARN | Super Dual Auroral Radar Network |