| Acronym | Meaning |
| SNIFTIRS | Subtractively Normalized Interfacial Fourier Transform IR Spectroscopy |
| PAC | Polycyclic Aromatic Compound |
| PENIS | Proton-enhanced Nuclear Induction Spectroscopy |
| WWAP | World Water Assessment Programme |
| HNE | Human Neutrophil Elastase |
| EPCRA | Emergency Planning And Community Response Act |
| BIB | Blocked Impurity Band |
| SAMI | Southern Appalachian Mountains Initiative |
| HAPPS | Hazardous Air Pollutant Prioritization System |
| FIRF | Finite Impulse Response Filter |