| Acronym | Meaning |
| GEASIC | Gradient-expansion Approxn. Self-interaction Correction (functional |
| SVI | Sludge Volume Index |
| TROLS | Terrestrial And Riparian Organisms |
| BRGM | Bureau Of Geol. And Mining Research (France) |
| SOC | Synthetic Organic Chemical |
| FOPIM | First Order Perturbation Iteration Method |
| NURP | Nationwide Urban Runoff Program (USEPA) |
| UARP | Upper Atmospheric Research Program |
| NIMS | Negative Ion Mass Spectrometry |
| FDTD | Finite-difference Time-domain |