| Acronym | Meaning |
| AQCP | Air Quality Control Program |
| ECRA | Economic Cleanup Responsibility Act |
| WQA | Water Quality Association |
| LOXJET | Liq. Oxygen Torch System |
| MOT | Multistate Orbital Treatment |
| TBLMTO | Tight-binding Linear (combination Of) Muffin-tin Orbitals |
| PE | Population Equivalent (in Wastewater Treatment) |
| SACRED | Silicon Array For ConveRsion Electron Detection |
| FZP | Fresnel Zone Plate |
| MNDO-PM3 | Modified Neglect Of Diatomic Overlap-parametric Method |