| Acronym | Meaning |
| ECNIMS | Electron Capture Negative Ionization Mass Spectrometry |
| CSRS | Coherent Stokes-Raman Spectroscopy |
| PSA | Pressure Sensitive Adhesive |
| SOS | Southern Oxidant Study |
| HPLS | Hierarchical Partial Least Squares |
| GPSC | Gas Proportional Scintillation Counter |
| RACM | Regional Atm. Chem. Mechanism |
| NCCLS | National Committee For Clinical Laboratory Standards |
| FOGO | Floating Orbital Geometry Optimization |
| SCC | Squamous Cell Carcinoma |