| Acronym | Meaning |
| L2MS | Laser-desorption Laser-ionization Mass Spectrometry |
| SAGE | Stratospheric Aerosol And Gas Experiment |
| IAP | Intermittent Aeration Process (for Waste Treatment) |
| FIS | Field Ion Spectroscopy |
| GFN | Grain Fineness Number |
| ROSH | Registry Of Occupational Safety And Health |
| AOB | Analytical Operations Branch (OSWER) |
| DMS | Dynamic Mechanical Spectroscopy |
| SLAPW | Surface Linearized Augmented Plane Wave |
| CAA | Clean Air Act Of 1970 |