| Acronym | Meaning |
| PELAN | Pulsed Elemental Analysis With Neutrons |
| EPCIA | Evolving Principal Component Innovation Analysis |
| CDS | Compliance Data System (US EPA Air Database) |
| CINC | Cytokine-induced Neutrophil Chemoattractant |
| HARMS | High Aspect Ratio Microstructure |
| UHC | Unburned Hydrocarbons |
| VMD | Volumetric Mean Diameter (particulate Air Pollution) |
| RPC | Reversed-phase Chromatography |
| NRPB | National Radiological Protection Board |
| LAWS | Laser Atmospheric Wind Sounder (NASA) |