| Acronym | Meaning |
| LEEM | Low-energy Electron Microscopy |
| STIG | Steam-injected Gas Turbines |
| IRPTC | International Register Of Potentially Toxic Chemicals |
| NAO | Natural Atomic Orbital |
| OAR | Office Of Air And Radiation (USEPA) |
| DLPCB | Dioxin-like Polychlorinated Biphenyl |
| CNC | Condensation Nucleus Counter |
| PISCES | Passive In-Situ Concn. Extn. Sampler |
| CCPA | Constant Centrifugal Potential Approximation |
| TAG | Trans-Atlantic Geotraverse |