| Acronym | Meaning |
| SOM | Scanning Optical Microscope |
| LEFI | Local Electric Field Instrument |
| BAPMON | Background Air Pollution Monitoring Network |
| HEAL | Human Exposure Assessment Location |
| LAL | Limulus Amebocyte Lysate (endotoxin Test) |
| AQCP | Air Quality Control Program |
| SAM | Scanning Acoustic Microscopy |
| LCL | Lymphoblastoid Cell Line |
| AER | Atmospheric And Environmental Research |
| WAO | Wet Air Oxidation |