| Acronym | Meaning |
| PAH | Polycyclic Aromatic Hydrocarbon |
| LALA | Large Area Lyman Alpha |
| MOSO | Maximum Overlap Symmetry Orbital (MO For Mols.) |
| RECP | Relativistic Effective-core Potential |
| EHF | Extended Hartree-Fock |
| AQM | Additive Quark Model |
| WTIE | Wastewater Treatment And Information Exchange |
| SOF | Soluble Organic Fraction |
| WPCP | Water Pollution Control Plant |
| SPME | Solid-Phase Microextraction |