| Acronym | Meaning |
| ECS | Energy-corrected Sudden (scaling Theory In Mol. Collisions) |
| MESA | Maximum Entropy Spectral Analysis |
| CBOD | Carbonaceous Biochemical Oxygen Demand |
| DFA | Discriminant Function Analysispar |
| ESMS | Electrospray Ionization Mass Spectrometry |
| PHDF | Polyhalogenated Dibenzofuran(s) |
| REA | Restriction Endonuclease Anal. |
| IEMM | Incident Energy Modulation Method |
| RSS | Recombination Signal Sequence |
| BIPM | Bureau International Des Poids Et Mesures |