| Acronym | Meaning |
| TPR | Total Population Risk |
| HFRSPT | Hartree-Fock Rayleigh-Schroedinger Perturbation Theory |
| IAP | Intermittent Aeration Process (for Waste Treatment) |
| CAL | Computer Aided Learning |
| DAA | Diacetone Alcoholpar |
| EFTIR | Emission Fourier Transform Infrared Spectroscopy |
| BAC | Biological Activated Carbon |
| PASH | Polycyclic Aromatic Sulfur-containing Hydrocarbons |
| NEET | National Environmental Education And Training Program |
| PIMIA | Potentiometric Ionophore-modulation Immunoassay |