| Acronym | Meaning |
| SPOT | Satellite Pour L'Observation De La Terre |
| SIM | Selected Ion Monitoring |
| DRS | Dissolved Reactive Silicate |
| ARMA | Autoregressive-moving Average Stochastic Model |
| CLRTAP | Convention On Long-Range Transboundary Air Pollution |
| MCS | Monte Carlo Simulation |
| NIXSW | Normal Incidence X-ray Standing Wave |
| VAM | Valid Analytical Measurement |
| ESF | Electrostatic Force (theory For Mol. Calcns.) |
| RUP | Restricted Use Pesticide |