| Acronym | Meaning |
| TQEM | Total Quality Environmental Management |
| IOS-BS | Infinite Order Sudden-breathing Sphere |
| OPGF | One-particle Green Function |
| ORP | Oxidation-reduction Potential |
| PSL | Polystyrene Latex |
| QLDA | Quasilocal Density Functional Approxn. |
| TRIM | Total Risk Integrated Methodology |
| RQ | Reportable Quantity |
| PSD | Photon Stimulated Desorption |
| LVM-ST | Least-squares Variational Method (involving Only) Square-integrable (test Functions) (for Wave Functions In Scattering) |