| Acronym | Meaning |
| ISCST | Industrial Source Complex Short Term Model (US EPA) |
| TROLS | Terrestrial And Riparian Organisms |
| HSWA | Hazardous And Solid Waste Amendments Of 1984 |
| FBEM | Fixed Beam Electron Microscopy |
| HRE | Hormone-responsive Element |
| ICOS | Inducible Co-stimulator |
| PYMS | Pyrolysis Mass Spectrometry |
| GDS | Glow Discharge Spectrometer |
| RITS | Radiatively Important Trace Species |
| RBA | Refined Born Approximation (for Atom-mol. Collisions) |