| Acronym | Meaning |
| GISS | Goddard Institute For Space Studies |
| DRI | Direct Reduced Iron |
| SCE | Self-consistent Energy (method In At. And Mol. Calcns. With An Einsteinian Relativistic Theory |
| UNEP | United Nations Environmental Program |
| NRA | Nuclear Reaction Analysis (Rensselear Polytech) |
| EFTIR | Emission Fourier Transform Infrared Spectroscopy |
| ABA | Acid-base Account [related To Acid-forming Potential] |
| EGU | European Geosciences Union |
| AASD | Anaerobic Activated Sludge Digestion |
| MFE | Mercury Film Electrode |