| Acronym | Meaning |
| MULTIMED | Multimedia Exposure Assessment Model |
| ICR | Intensified Controlled Rolling |
| IRN | Indicator Radionuclide |
| FEGE | Free Electron Gas Exchange Approximation |
| FRC | Frozen Core Approxn. |
| AARC | Alliance For Acid Rain Control |
| MECOP | Modified Electron Correlation Polarization (potential) |
| LEMF | Laser-excited Molecular Fluorescence |
| G.P. | Guinier-Preston Zone |
| QFAAS | Quartz Furnace Atomic Absorption Spectrometry |