| Acronym | Meaning |
| MTBF | Mean Time Between Failure |
| RSAC | Remote Sensing Applications Center (US Forest Service) |
| TMO | Truncated Molecular Orbital |
| PFT | Pulmonary Functional Test(s) |
| DMA | Differential Mobility Analyzer |
| SNOM | Scanning Near-field Optical Microscopy |
| BAAQMD | Bay Area Air Quality Management District |
| SPL | Spent Potliner |
| LMP | Laser Microprobe |
| BMD | Bone Mineral Density |