| Acronym | Meaning |
| PBDF | Polybrominated Dibenzofuran(s) |
| PEM | Proton Exchange Membrane |
| CWFMS | Combined Wavelength And Frequency Modulation Spectroscopy |
| CFRM | Continuous Filament Random Mat |
| RAMS | Regional Air Monitoring System |
| CFE | Colony-forming Efficiency |
| INDO/S | Intermediate Neglect Of Differential Overlap Screened Approxn. |
| RPD | Retarding Potential Difference |
| EPI | Echo-planar Imaging |
| AQCP | Air Quality Control Program |