| Acronym | Meaning |
| HRS | Hazard Ranking System |
| OLF | Overland Flow |
| QSM | Quantum Statistical Mechanics |
| ICOLC | International Coalition Of Library Consortia |
| PACIMS | Passive Chem. Ionization Mass Spectrometry |
| ICZ | Initial Contact Zone(s) |
| COG | Coke-oven Gas |
| ACF | Autocorrelation Function |
| PET | Petrol. Elementary Tools (computer Program) |
| TCLE | Thermal Coefficient Of Linear Expansion |