| Acronym | Meaning |
| TLC | Thin-layer Chromatography |
| FIT | Field Investigation Team (US EPA) |
| RTK | Receptor Tyrosine Kinase |
| EQMB | Electrochemical Quartz Microbalance |
| FEL | Free Electron Laser |
| OCE | One-center Expansion (SCF MO Method) |
| TSP | Total Suspended Particles |
| EFPVN | Eastern Fine Particle And Visibility Network |
| ODPAS | Optically Detected Photoacoustic Spectroscopy |
| PAPP-A | Pregnancy-associated Plasma Protein A |