| Acronym | Meaning |
| AGN | Active Galactic Nuclei |
| SPEED | Selective Potentiostatic Etching By Electrolytic Dissolution |
| BAP | Bioavailable Phosphorus |
| ESA | Electrostatic Analyzer |
| CMA | Chemical Manufacturers Association |
| MHF | Multiple Hearth Furnace (for Incineration) |
| STIB | Stratosphere-Troposphere Interactions And The Biosphere |
| MINTEQA2 | Metal Speciation Equilibrium For Surface And Ground Water |
| EWIA | Eikonal (distorted) Wave Impulse Approxn. (for Scattering) |
| ODC | Orientation Distribution Coeffs. |