| Acronym | Meaning |
| PEC | Predicted Environmental Concentration |
| HEN | Heat Exchanger Network |
| SHRIMP | Scalar Heteromolecular Recoupled Interactions By Multiple Phase |
| SHRIMP | Sensitive High Mass Resolution Ion Microprobe |
| SIDMS | Speciated Isotope Dilution Mass Spectrometry |
| UCG | Underground Coal Gasification |
| APT | Atomic Polar Tensor (in Ir Spectra Calcn.) |
| ROS | Reactive Oxygen Species |
| SHRP | Strategic Highway Research Program |
| PIMC | Path-integral Monte-Carlo |