| Acronym | Meaning |
| BPSG | Borophosphosilicate Glass |
| SDPA | 4,4'-sulfonyldiphthalic Anhydride |
| NLPLS | Nonlinear Partial Least Squares |
| RCO | Regenerative Catalytic Oxidizer |
| IAEG | International Association Of Engineering Geology |
| VGO | Virgin Gas Oil |
| NRA | Neutron Reaction Analysis |
| AASIR | Advanced Atmospheric Sounding And Imaging Radiometer |
| OLPGAA | On-line Prompt Gamma-ray Activation Analysis |
| SNR | Signal-to-noise Ratio |