| Acronym | Meaning |
| DIAL | Differential Absorption Lidar (laser Radar Sensing) |
| IDTIMS | Isotope Diln. Thermal Ionization Mass Spectrometry |
| NEDO | The New Energy Development Organization (Japan) |
| ALI | Acute Lung Injury |
| PSD | Pulse Shape Discrimination |
| NYSAS | New York Summer Aerosol Study |
| TOMS | Total Ozone Mapping Spectrometer |
| LDMS | Laser Desorption Mass Spectrometry |
| SP-RPAE | Spin Polarized-random Phase Approxn. (with) Exchange |
| PPES | Photopyroelectric Spectroscopy |