| Acronym | Meaning |
| VSS | Volatile Suspended Solids |
| QCMD | Quantum-classical Mol. Dynamics |
| LEL | Lowest Effect Level |
| EFG | Electric Field Gradient |
| AISIT | Automatic Intelligent Sampler For Inorganic Trace Constituents |
| ACBM | Asbestos Containing Building Material |
| ECRA | Economic Cleanup Responsibility Act |
| PML | Polymer Multi Layer |
| CJO | Chemical Journals Online |
| LCHAO | Linear Combination Of Hybrid Atomic Orbitals |