| Acronym | Meaning |
| PGM | Platinum-group Mineral(s) |
| ATA | Average T-matrix Approximation |
| SOW | Statement Of Work |
| GTN | Global Trend Network |
| RMBPT | Relativistic Many-body Perturbation Theory |
| AOGCM | Atmosphere-ocean General Circulation Model |
| RITZ | Regulatory And Investigative Treatment Zone |
| NCAC | Nitrogen-containing Aromatic Compound |
| MIC | Methyl Isocyanate |
| LEPS | London-Eyring-Polanyi-Sato (potential-energy Surface) |