| Acronym | Meaning |
| NPM | Nonpolar Material |
| EGCI | Exponentially Generated Configuration Interaction |
| MAGIC | Monodisperse Aerosol Generation Interface For Combining Liquid Chromatography With Mass Spectrometry |
| DPA | Destructive Physical Analysis |
| EIIP | Emission Inventory Improvement Program |
| CAI | Conodont Alteration Index |
| PIMIA | Potentiometric Ionophore-modulation Immunoassay |
| AQMD | Air Quality Management District |
| IAC | Impregnated Activated Carbon |
| TFA | Thomas-Fermi-Amaldi (equation) |