| Acronym | Meaning |
| GO | Gaussian Overlap (approxn. In Mol. Calcns.) |
| ECCLS | European Committee For Clinical Laboratory Standards |
| RSPT | Rayleigh-Schroedinger Perturbation Theory |
| TSA | Trichostatin A |
| HHAP | Heavy Hydroaroms. From Petroleum |
| VOA | Volatile Organic Aromatic Compounds |
| EAS | Exposure Assessments |
| NOEC | No Observed Effect Concentration |
| ANK | Al2O3/(Na2O + K2O) |
| HREE | Heavy Rare Earth Element(s) |