| Acronym | Meaning |
| BATNEEC | Best Available Technology Not Entailing Excessive Cost |
| BI | Bond Increment (method In Calcns. On Large Molecules) |
| CC-VTZ | Correlation Consistent-valence Triple Zeta (basis Set) |
| CERPIES | Collision Energy Resolved Penning Ionization Electron Spectra |
| FOEA | First-order Eikonal Approximation |
| CLS | Characteristic Loss Spectroscopy |
| RMPP | Risk Management And Prevention Program |
| LCO | Light Cycle Oil |
| VADW | Vibrationally-adiabatic Distorted-wave Method |
| HIID | Heavy Ion Induced Desorption |