| Acronym | Meaning |
| EMA | Effective Medium Approximation |
| IMAGE | International Monitor For Auroral Geomagnetic Effects |
| MIEMS | Membrane Inlet Electrochemical Mass Spectrometry |
| APS | Autocorrelation Photon Spectroscopy |
| MSX | Midcourse Space Experiment |
| APTIC | Air Pollution Technical Information Center |
| LPAS | Long Pathlength Absorbance Spectroscopy |
| CNAEL | Committee On National Accreditation Of Environmental Laboratories (US EPA) |
| ITS | Internal Transcribed Spacer |
| RSA | Rat Serum Albumin |